summaryrefslogtreecommitdiff
path: root/tools
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-02 13:49:24 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-02 13:49:24 +0200
commit35a7609639c49f76f13f206402cbf692c4ae3e4e (patch)
tree55c8cf59f8bac0754eff06a3f102d2d819dc39ed /tools
parente918c10265ef2bc82ce8a6fed6d8123d09ec1db3 (diff)
parent672c0c5173427e6b3e2a9bbb7be51ceeec78093a (diff)
Merge 5.18-rc5 into char-misc-next
We need the char-misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/arch/x86/include/asm/msr-index.h4
-rw-r--r--tools/include/linux/slab.h8
-rw-r--r--tools/lib/perf/evlist.c3
-rw-r--r--tools/objtool/check.c94
-rw-r--r--tools/objtool/elf.c189
-rw-r--r--tools/objtool/include/objtool/elf.h4
-rw-r--r--tools/objtool/include/objtool/objtool.h2
-rw-r--r--tools/objtool/objtool.c1
-rw-r--r--tools/perf/arch/arm64/util/arm-spe.c10
-rw-r--r--tools/perf/arch/arm64/util/machine.c21
-rw-r--r--tools/perf/arch/powerpc/util/Build1
-rw-r--r--tools/perf/arch/powerpc/util/machine.c25
-rw-r--r--tools/perf/arch/s390/util/machine.c16
-rw-r--r--tools/perf/bench/numa.c136
-rw-r--r--tools/perf/builtin-record.c22
-rw-r--r--tools/perf/builtin-report.c14
-rw-r--r--tools/perf/builtin-script.c2
-rw-r--r--tools/perf/tests/attr/README1
-rw-r--r--tools/perf/tests/attr/test-record-spe-physical-address12
-rw-r--r--tools/perf/tests/perf-time-to-tsc.c4
-rw-r--r--tools/perf/util/arm-spe.c5
-rw-r--r--tools/perf/util/c++/clang.cpp4
-rw-r--r--tools/perf/util/header.c51
-rw-r--r--tools/perf/util/header.h1
-rw-r--r--tools/perf/util/parse-events.c5
-rw-r--r--tools/perf/util/session.c2
-rw-r--r--tools/perf/util/stat.c3
-rw-r--r--tools/perf/util/symbol-elf.c2
-rw-r--r--tools/perf/util/symbol.c37
-rw-r--r--tools/perf/util/symbol.h3
-rw-r--r--tools/power/x86/intel-speed-select/Makefile2
-rw-r--r--tools/testing/radix-tree/linux.c3
-rwxr-xr-xtools/testing/selftests/drivers/net/mlxsw/spectrum-2/vxlan_flooding_ipv6.sh17
-rwxr-xr-xtools/testing/selftests/drivers/net/mlxsw/vxlan_flooding.sh17
-rw-r--r--tools/testing/selftests/kvm/.gitignore2
-rw-r--r--tools/testing/selftests/kvm/Makefile1
-rw-r--r--tools/testing/selftests/kvm/aarch64/arch_timer.c15
-rw-r--r--tools/testing/selftests/kvm/aarch64/get-reg-list.c14
-rw-r--r--tools/testing/selftests/kvm/aarch64/vcpu_width_config.c122
-rw-r--r--tools/testing/selftests/kvm/dirty_log_perf_test.c34
-rw-r--r--tools/testing/selftests/kvm/include/riscv/processor.h4
-rw-r--r--tools/testing/selftests/kvm/include/x86_64/processor.h17
-rw-r--r--tools/testing/selftests/kvm/kvm_page_table_test.c2
-rw-r--r--tools/testing/selftests/kvm/lib/riscv/processor.c2
-rw-r--r--tools/testing/selftests/kvm/lib/x86_64/processor.c202
-rw-r--r--tools/testing/selftests/kvm/x86_64/amx_test.c1
-rw-r--r--tools/testing/selftests/kvm/x86_64/emulator_error_test.c1
-rw-r--r--tools/testing/selftests/kvm/x86_64/smm_test.c2
-rw-r--r--tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c1
-rw-r--r--tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c1
-rw-r--r--tools/testing/selftests/kvm/x86_64/xen_vmcall_test.c1
-rw-r--r--tools/testing/selftests/mqueue/mq_perf_tests.c25
-rw-r--r--tools/testing/selftests/vm/mremap_test.c85
-rwxr-xr-xtools/testing/selftests/vm/run_vmtests.sh11
-rw-r--r--tools/testing/selftests/wireguard/qemu/arch/i686.config1
-rw-r--r--tools/testing/selftests/wireguard/qemu/arch/x86_64.config1
56 files changed, 907 insertions, 359 deletions
diff --git a/tools/arch/x86/include/asm/msr-index.h b/tools/arch/x86/include/asm/msr-index.h
index 0eb90d21049e..ee15311b6be1 100644
--- a/tools/arch/x86/include/asm/msr-index.h
+++ b/tools/arch/x86/include/asm/msr-index.h
@@ -128,9 +128,9 @@
#define TSX_CTRL_RTM_DISABLE BIT(0) /* Disable RTM feature */
#define TSX_CTRL_CPUID_CLEAR BIT(1) /* Disable TSX enumeration */
-/* SRBDS support */
#define MSR_IA32_MCU_OPT_CTRL 0x00000123
-#define RNGDS_MITG_DIS BIT(0)
+#define RNGDS_MITG_DIS BIT(0) /* SRBDS support */
+#define RTM_ALLOW BIT(1) /* TSX development mode */
#define MSR_IA32_SYSENTER_CS 0x00000174
#define MSR_IA32_SYSENTER_ESP 0x00000175
diff --git a/tools/include/linux/slab.h b/tools/include/linux/slab.h
index f41d8a0eb1a4..0616409513eb 100644
--- a/tools/include/linux/slab.h
+++ b/tools/include/linux/slab.h
@@ -28,7 +28,13 @@ static inline void *kzalloc(size_t size, gfp_t gfp)
return kmalloc(size, gfp | __GFP_ZERO);
}
-void *kmem_cache_alloc(struct kmem_cache *cachep, int flags);
+struct list_lru;
+
+void *kmem_cache_alloc_lru(struct kmem_cache *cachep, struct list_lru *, int flags);
+static inline void *kmem_cache_alloc(struct kmem_cache *cachep, int flags)
+{
+ return kmem_cache_alloc_lru(cachep, NULL, flags);
+}
void kmem_cache_free(struct kmem_cache *cachep, void *objp);
struct kmem_cache *kmem_cache_create(const char *name, unsigned int size,
diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
index 1b15ba13c477..a09315538a30 100644
--- a/tools/lib/perf/evlist.c
+++ b/tools/lib/perf/evlist.c
@@ -577,7 +577,6 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist,
{
struct perf_evsel *evsel;
const struct perf_cpu_map *cpus = evlist->user_requested_cpus;
- const struct perf_thread_map *threads = evlist->threads;
if (!ops || !ops->get || !ops->mmap)
return -EINVAL;
@@ -589,7 +588,7 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist,
perf_evlist__for_each_entry(evlist, evsel) {
if ((evsel->attr.read_format & PERF_FORMAT_ID) &&
evsel->sample_id == NULL &&
- perf_evsel__alloc_id(evsel, perf_cpu_map__nr(cpus), threads->nr) < 0)
+ perf_evsel__alloc_id(evsel, evsel->fd->max_x, evsel->fd->max_y) < 0)
return -ENOMEM;
}
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index bd0c2c828940..ca5b74603008 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -184,6 +184,7 @@ static bool __dead_end_function(struct objtool_file *file, struct symbol *func,
"do_group_exit",
"stop_this_cpu",
"__invalid_creds",
+ "cpu_startup_entry",
};
if (!func)
@@ -559,12 +560,12 @@ static int add_dead_ends(struct objtool_file *file)
else if (reloc->addend == reloc->sym->sec->sh.sh_size) {
insn = find_last_insn(file, reloc->sym->sec);
if (!insn) {
- WARN("can't find unreachable insn at %s+0x%x",
+ WARN("can't find unreachable insn at %s+0x%lx",
reloc->sym->sec->name, reloc->addend);
return -1;
}
} else {
- WARN("can't find unreachable insn at %s+0x%x",
+ WARN("can't find unreachable insn at %s+0x%lx",
reloc->sym->sec->name, reloc->addend);
return -1;
}
@@ -594,12 +595,12 @@ reachable:
else if (reloc->addend == reloc->sym->sec->sh.sh_size) {
insn = find_last_insn(file, reloc->sym->sec);
if (!insn) {
- WARN("can't find reachable insn at %s+0x%x",
+ WARN("can't find reachable insn at %s+0x%lx",
reloc->sym->sec->name, reloc->addend);
return -1;
}
} else {
- WARN("can't find reachable insn at %s+0x%x",
+ WARN("can't find reachable insn at %s+0x%lx",
reloc->sym->sec->name, reloc->addend);
return -1;
}
@@ -1271,12 +1272,19 @@ static bool is_first_func_insn(struct objtool_file *file, struct instruction *in
*/
static int add_jump_destinations(struct objtool_file *file)
{
- struct instruction *insn;
+ struct instruction *insn, *jump_dest;
struct reloc *reloc;
struct section *dest_sec;
unsigned long dest_off;
for_each_insn(file, insn) {
+ if (insn->jump_dest) {
+ /*
+ * handle_group_alt() may have previously set
+ * 'jump_dest' for some alternatives.
+ */
+ continue;
+ }
if (!is_static_jump(insn))
continue;
@@ -1291,7 +1299,10 @@ static int add_jump_destinations(struct objtool_file *file)
add_retpoline_call(file, insn);
continue;
} else if (insn->func) {
- /* internal or external sibling call (with reloc) */
+ /*
+ * External sibling call or internal sibling call with
+ * STT_FUNC reloc.
+ */
add_call_dest(file, insn, reloc->sym, true);
continue;
} else if (reloc->sym->sec->idx) {
@@ -1303,17 +1314,8 @@ static int add_jump_destinations(struct objtool_file *file)
continue;
}
- insn->jump_dest = find_insn(file, dest_sec, dest_off);
- if (!insn->jump_dest) {
-
- /*
- * This is a special case where an alt instruction
- * jumps past the end of the section. These are
- * handled later in handle_group_alt().
- */
- if (!strcmp(insn->sec->name, ".altinstr_replacement"))
- continue;
-
+ jump_dest = find_insn(file, dest_sec, dest_off);
+ if (!jump_dest) {
WARN_FUNC("can't find jump dest instruction at %s+0x%lx",
insn->sec, insn->offset, dest_sec->name,
dest_off);
@@ -1323,8 +1325,8 @@ static int add_jump_destinations(struct objtool_file *file)
/*
* Cross-function jump.
*/
- if (insn->func && insn->jump_dest->func &&
- insn->func != insn->jump_dest->func) {
+ if (insn->func && jump_dest->func &&
+ insn->func != jump_dest->func) {
/*
* For GCC 8+, create parent/child links for any cold
@@ -1342,16 +1344,22 @@ static int add_jump_destinations(struct objtool_file *file)
* subfunction is through a jump table.
*/
if (!strstr(insn->func->name, ".cold") &&
- strstr(insn->jump_dest->func->name, ".cold")) {
- insn->func->cfunc = insn->jump_dest->func;
- insn->jump_dest->func->pfunc = insn->func;
+ strstr(jump_dest->func->name, ".cold")) {
+ insn->func->cfunc = jump_dest->func;
+ jump_dest->func->pfunc = insn->func;
- } else if (!same_function(insn, insn->jump_dest) &&
- is_first_func_insn(file, insn->jump_dest)) {
- /* internal sibling call (without reloc) */
- add_call_dest(file, insn, insn->jump_dest->func, true);
+ } else if (!same_function(insn, jump_dest) &&
+ is_first_func_insn(file, jump_dest)) {
+ /*
+ * Internal sibling call without reloc or with
+ * STT_SECTION reloc.
+ */
+ add_call_dest(file, insn, jump_dest->func, true);
+ continue;
}
}
+
+ insn->jump_dest = jump_dest;
}
return 0;
@@ -1540,13 +1548,13 @@ static int handle_group_alt(struct objtool_file *file,
continue;
dest_off = arch_jump_destination(insn);
- if (dest_off == special_alt->new_off + special_alt->new_len)
+ if (dest_off == special_alt->new_off + special_alt->new_len) {
insn->jump_dest = next_insn_same_sec(file, last_orig_insn);
-
- if (!insn->jump_dest) {
- WARN_FUNC("can't find alternative jump destination",
- insn->sec, insn->offset);
- return -1;
+ if (!insn->jump_dest) {
+ WARN_FUNC("can't find alternative jump destination",
+ insn->sec, insn->offset);
+ return -1;
+ }
}
}
@@ -2245,14 +2253,14 @@ static int decode_sections(struct objtool_file *file)
return ret;
/*
- * Must be before add_special_section_alts() as that depends on
- * jump_dest being set.
+ * Must be before add_jump_destinations(), which depends on 'func'
+ * being set for alternatives, to enable proper sibling call detection.
*/
- ret = add_jump_destinations(file);
+ ret = add_special_section_alts(file);
if (ret)
return ret;
- ret = add_special_section_alts(file);
+ ret = add_jump_destinations(file);
if (ret)
return ret;
@@ -3210,9 +3218,8 @@ validate_ibt_reloc(struct objtool_file *file, struct reloc *reloc)
static void warn_noendbr(const char *msg, struct section *sec, unsigned long offset,
struct instruction *dest)
{
- WARN_FUNC("%srelocation to !ENDBR: %s+0x%lx", sec, offset, msg,
- dest->func ? dest->func->name : dest->sec->name,
- dest->func ? dest->offset - dest->func->offset : dest->offset);
+ WARN_FUNC("%srelocation to !ENDBR: %s", sec, offset, msg,
+ offstr(dest->sec, dest->offset));
}
static void validate_ibt_dest(struct objtool_file *file, struct instruction *insn,
@@ -3303,7 +3310,7 @@ static int validate_branch(struct objtool_file *file, struct symbol *func,
while (1) {
next_insn = next_insn_to_validate(file, insn);
- if (file->c_file && func && insn->func && func != insn->func->pfunc) {
+ if (func && insn->func && func != insn->func->pfunc) {
WARN("%s() falls through to next function %s()",
func->name, insn->func->name);
return 1;
@@ -3816,11 +3823,8 @@ static int validate_ibt(struct objtool_file *file)
struct instruction *dest;
dest = validate_ibt_reloc(file, reloc);
- if (is_data && dest && !dest->noendbr) {
- warn_noendbr("data ", reloc->sym->sec,
- reloc->sym->offset + reloc->addend,
- dest);
- }
+ if (is_data && dest && !dest->noendbr)
+ warn_noendbr("data ", sec, reloc->offset, dest);
}
}
diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c
index d7b99a737496..ebf2ba5755c1 100644
--- a/tools/objtool/elf.c
+++ b/tools/objtool/elf.c
@@ -546,7 +546,7 @@ static struct section *elf_create_reloc_section(struct elf *elf,
int reltype);
int elf_add_reloc(struct elf *elf, struct section *sec, unsigned long offset,
- unsigned int type, struct symbol *sym, int addend)
+ unsigned int type, struct symbol *sym, long addend)
{
struct reloc *reloc;
@@ -575,37 +575,180 @@ int elf_add_reloc(struct elf *elf, struct section *sec, unsigned long offset,
return 0;
}
-int elf_add_reloc_to_insn(struct elf *elf, struct section *sec,
- unsigned long offset, unsigned int type,
- struct section *insn_sec, unsigned long insn_off)
+/*
+ * Ensure that any reloc section containing references to @sym is marked
+ * changed such that it will get re-generated in elf_rebuild_reloc_sections()
+ * with the new symbol index.
+ */
+static void elf_dirty_reloc_sym(struct elf *elf, struct symbol *sym)
+{
+ struct section *sec;
+
+ list_for_each_entry(sec, &elf->sections, list) {
+ struct reloc *reloc;
+
+ if (sec->changed)
+ continue;
+
+ list_for_each_entry(reloc, &sec->reloc_list, list) {
+ if (reloc->sym == sym) {
+ sec->changed = true;
+ break;
+ }
+ }
+ }
+}
+
+/*
+ * Move the first global symbol, as per sh_info, into a new, higher symbol
+ * index. This fees up the shndx for a new local symbol.
+ */
+static int elf_move_global_symbol(struct elf *elf, struct section *symtab,
+ struct section *symtab_shndx)
{
+ Elf_Data *data, *shndx_data = NULL;
+ Elf32_Word first_non_local;
struct symbol *sym;
- int addend;
+ Elf_Scn *s;
- if (insn_sec->sym) {
- sym = insn_sec->sym;
- addend = insn_off;
+ first_non_local = symtab->sh.sh_info;
- } else {
- /*
- * The Clang assembler strips section symbols, so we have to
- * reference the function symbol instead:
- */
- sym = find_symbol_containing(insn_sec, insn_off);
- if (!sym) {
- /*
- * Hack alert. This happens when we need to reference
- * the NOP pad insn immediately after the function.
- */
- sym = find_symbol_containing(insn_sec, insn_off - 1);
+ sym = find_symbol_by_index(elf, first_non_local);
+ if (!sym) {
+ WARN("no non-local symbols !?");
+ return first_non_local;
+ }
+
+ s = elf_getscn(elf->elf, symtab->idx);
+ if (!s) {
+ WARN_ELF("elf_getscn");
+ return -1;
+ }
+
+ data = elf_newdata(s);
+ if (!data) {
+ WARN_ELF("elf_newdata");
+ return -1;
+ }
+
+ data->d_buf = &sym->sym;
+ data->d_size = sizeof(sym->sym);
+ data->d_align = 1;
+ data->d_type = ELF_T_SYM;
+
+ sym->idx = symtab->sh.sh_size / sizeof(sym->sym);
+ elf_dirty_reloc_sym(elf, sym);
+
+ symtab->sh.sh_info += 1;
+ symtab->sh.sh_size += data->d_size;
+ symtab->changed = true;
+
+ if (symtab_shndx) {
+ s = elf_getscn(elf->elf, symtab_shndx->idx);
+ if (!s) {
+ WARN_ELF("elf_getscn");
+ return -1;
}
- if (!sym) {
- WARN("can't find symbol containing %s+0x%lx", insn_sec->name, insn_off);
+ shndx_data = elf_newdata(s);
+ if (!shndx_data) {
+ WARN_ELF("elf_newshndx_data");
return -1;
}
- addend = insn_off - sym->offset;
+ shndx_data->d_buf = &sym->sec->idx;
+ shndx_data->d_size = sizeof(Elf32_Word);
+ shndx_data->d_align = 4;
+ shndx_data->d_type = ELF_T_WORD;
+
+ symtab_shndx->sh.sh_size += 4;
+ symtab_shndx->changed = true;
+ }
+
+ return first_non_local;
+}
+
+static struct symbol *
+elf_create_section_symbol(struct elf *elf, struct section *sec)
+{
+ struct section *symtab, *symtab_shndx;
+ Elf_Data *shndx_data = NULL;
+ struct symbol *sym;
+ Elf32_Word shndx;
+
+ symtab = find_section_by_name(elf, ".symtab");
+ if (symtab) {
+ symtab_shndx = find_section_by_name(elf, ".symtab_shndx");
+ if (symtab_shndx)
+ shndx_data = symtab_shndx->data;
+ } else {
+ WARN("no .symtab");
+ return NULL;
+ }
+
+ sym = malloc(sizeof(*sym));
+ if (!sym) {
+ perror("malloc");
+ return NULL;
+ }
+ memset(sym, 0, sizeof(*sym));
+
+ sym->idx = elf_move_global_symbol(elf, symtab, symtab_shndx);
+ if (sym->idx < 0) {
+ WARN("elf_move_global_symbol");
+ return NULL;
+ }
+
+ sym->name = sec->name;
+ sym->sec = sec;
+
+ // st_name 0
+ sym->sym.st_info = GELF_ST_INFO(STB_LOCAL, STT_SECTION);
+ // st_other 0
+ // st_value 0
+ // st_size 0
+ shndx = sec->idx;
+ if (shndx >= SHN_UNDEF && shndx < SHN_LORESERVE) {
+ sym->sym.st_shndx = shndx;
+ if (!shndx_data)
+ shndx = 0;
+ } else {
+ sym->sym.st_shndx = SHN_XINDEX;
+ if (!shndx_data) {
+ WARN("no .symtab_shndx");
+ return NULL;
+ }
+ }
+
+ if (!gelf_update_symshndx(symtab->data, shndx_data, sym->idx, &sym->sym, shndx)) {
+ WARN_ELF("gelf_update_symshndx");
+ return NULL;
+ }
+
+ elf_add_symbol(elf, sym);
+
+ return sym;
+}
+
+int elf_add_reloc_to_insn(struct elf *elf, struct section *sec,
+ unsigned long offset, unsigned int type,
+ struct section *insn_sec, unsigned long insn_off)
+{
+ struct symbol *sym = insn_sec->sym;
+ int addend = insn_off;
+
+ if (!sym) {
+ /*
+ * Due to how weak functions work, we must use section based
+ * relocations. Symbol based relocations would result in the
+ * weak and non-weak function annotations being overlaid on the
+ * non-weak function after linking.
+ */
+ sym = elf_create_section_symbol(elf, insn_sec);
+ if (!sym)
+ return -1;
+
+ insn_sec->sym = sym;
}
return elf_add_reloc(elf, sec, offset, type, sym, addend);
diff --git a/tools/objtool/include/objtool/elf.h b/tools/objtool/include/objtool/elf.h
index 22ba7e2b816e..9b36802ed86f 100644
--- a/tools/objtool/include/objtool/elf.h
+++ b/tools/objtool/include/objtool/elf.h
@@ -73,7 +73,7 @@ struct reloc {
struct symbol *sym;
unsigned long offset;
unsigned int type;
- int addend;
+ long addend;
int idx;
bool jump_table_start;
};
@@ -135,7 +135,7 @@ struct elf *elf_open_read(const char *name, int flags);
struct section *elf_create_section(struct elf *elf, const char *name, unsigned int sh_flags, size_t entsize, int nr);
int elf_add_reloc(struct elf *elf, struct section *sec, unsigned long offset,
- unsigned int type, struct symbol *sym, int addend);
+ unsigned int type, struct symbol *sym, long addend);
int elf_add_reloc_to_insn(struct elf *elf, struct section *sec,
unsigned long offset, unsigned int type,
struct section *insn_sec, unsigned long insn_off);
diff --git a/tools/objtool/include/objtool/objtool.h b/tools/objtool/include/objtool/objtool.h
index 7a5c13a78f87..a6e72d916807 100644
--- a/tools/objtool/include/objtool/objtool.h
+++ b/tools/objtool/include/objtool/objtool.h
@@ -27,7 +27,7 @@ struct objtool_file {
struct list_head static_call_list;
struct list_head mcount_loc_list;
struct list_head endbr_list;
- bool ignore_unreachables, c_file, hints, rodata;
+ bool ignore_unreachables, hints, rodata;
unsigned int nr_endbr;
unsigned int nr_endbr_int;
diff --git a/tools/objtool/objtool.c b/tools/objtool/objtool.c
index b09946f4e1d6..843ff3c2f28e 100644
--- a/tools/objtool/objtool.c
+++ b/tools/objtool/objtool.c
@@ -129,7 +129,6 @@ struct objtool_file *objtool_open_read(const char *_objname)
INIT_LIST_HEAD(&file.static_call_list);
INIT_LIST_HEAD(&file.mcount_loc_list);
INIT_LIST_HEAD(&file.endbr_list);
- file.c_file = !vmlinux && find_section_by_name(file.elf, ".comment");
file.ignore_unreachables = no_unreachable;
file.hints = false;
diff --git a/tools/perf/arch/arm64/util/arm-spe.c b/tools/perf/arch/arm64/util/arm-spe.c
index af4d63af8072..e8b577d33e53 100644
--- a/tools/perf/arch/arm64/util/arm-spe.c
+++ b/tools/perf/arch/arm64/util/arm-spe.c
@@ -148,6 +148,7 @@ static int arm_spe_recording_options(struct auxtrace_record *itr,
bool privileged = perf_event_paranoid_check(-1);
struct evsel *tracking_evsel;
int err;
+ u64 bit;
sper->evlist = evlist;
@@ -245,6 +246,15 @@ static int arm_spe_recording_options(struct auxtrace_record *itr,
*/
evsel__set_sample_bit(arm_spe_evsel, DATA_SRC);
+ /*
+ * The PHYS_ADDR flag does not affect the driver behaviour, it is used to
+ * inform that the resulting output's SPE samples contain physical addresses
+ * where applicable.
+ */
+ bit = perf_pmu__format_bits(&arm_spe_pmu->format, "pa_enable");
+ if (arm_spe_evsel->core.attr.config & bit)
+ evsel__set_sample_bit(arm_spe_evsel, PHYS_ADDR);
+
/* Add dummy event to keep tracking */
err = parse_events(evlist, "dummy:u", NULL);
if (err)
diff --git a/tools/perf/arch/arm64/util/machine.c b/tools/perf/arch/arm64/util/machine.c
index d2ce31e28cd7..41c1596e5207 100644
--- a/tools/perf/arch/arm64/util/machine.c
+++ b/tools/perf/arch/arm64/util/machine.c
@@ -8,27 +8,6 @@
#include "callchain.h"
#include "record.h"
-/* On arm64, kernel text segment starts at high memory address,
- * for example 0xffff 0000 8xxx xxxx. Modules start at a low memory
- * address, like 0xffff 0000 00ax xxxx. When only small amount of
- * memory is used by modules, gap between end of module's text segment
- * and start of kernel text segment may reach 2G.
- * Therefore do not fill this gap and do not assign it to the kernel dso map.
- */
-
-#define SYMBOL_LIMIT (1 << 12) /* 4K */
-
-void arch__symbols__fixup_end(struct symbol *p, struct symbol *c)
-{
- if ((strchr(p->name, '[') && strchr(c->name, '[') == NULL) ||
- (strchr(p->name, '[') == NULL && strchr(c->name, '[')))
- /* Limit range of last symbol in module and kernel */
- p->end += SYMBOL_LIMIT;
- else
- p->end = c->start;
- pr_debug4("%s sym:%s end:%#" PRIx64 "\n", __func__, p->name, p->end);
-}
-
void arch__add_leaf_frame_record_opts(struct record_opts *opts)
{
opts->sample_user_regs |= sample_reg_masks[PERF_REG_ARM64_LR].mask;
diff --git a/tools/perf/arch/powerpc/util/Build b/tools/perf/arch/powerpc/util/Build
index 8a79c4126e5b..0115f3166568 100644
--- a/tools/perf/arch/powerpc/util/Build
+++ b/tools/perf/arch/powerpc/util/Build
@@ -1,5 +1,4 @@
perf-y += header.o
-perf-y += machine.o
perf-y += kvm-stat.o
perf-y += perf_regs.o
perf-y += mem-events.o
diff --git a/tools/perf/arch/powerpc/util/machine.c b/tools/perf/arch/powerpc/util/machine.c
deleted file mode 100644
index e652a1aa8132..000000000000
--- a/tools/perf/arch/powerpc/util/machine.c
+++ /dev/null
@@ -1,25 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-
-#include <inttypes.h>
-#include <stdio.h>
-#include <string.h>
-#include <internal/lib.h> // page_size
-#include "debug.h"
-#include "symbol.h"
-
-/* On powerpc kernel text segment start at memory addresses, 0xc000000000000000
- * whereas the modules are located at very high memory addresses,
- * for example 0xc00800000xxxxxxx. The gap between end of kernel text segment
- * and beginning of first module's text segment is very high.
- * Therefore do not fill this gap and do not assign it to the kernel dso map.
- */
-
-void arch__symbols__fixup_end(struct symbol *p, struct symbol *c)
-{
- if (strchr(p->name, '[') == NULL && strchr(c->name, '['))
- /* Limit the range of last kernel symbol */
- p->end += page_size;
- else
- p->end = c->start;
- pr_debug4("%s sym:%s end:%#" PRIx64 "\n", __func__, p->name, p->end);
-}
diff --git a/tools/perf/arch/s390/util/machine.c b/tools/perf/arch/s390/util/machine.c
index 7644a4f6d4a4..98bc3f39d5f3 100644
--- a/tools/perf/arch/s390/util/machine.c
+++ b/tools/perf/arch/s390/util/machine.c
@@ -35,19 +35,3 @@ int arch__fix_module_text_start(u64 *start, u64 *size, const char *name)
return 0;
}
-
-/* On s390 kernel text segment start is located at very low memory addresses,
- * for example 0x10000. Modules are located at very high memory addresses,
- * for example 0x3ff xxxx xxxx. The gap between end of kernel text segment
- * and beginning of first module's text segment is very big.
- * Therefore do not fill this gap and do not assign it to the kernel dso map.
- */
-void arch__symbols__fixup_end(struct symbol *p, struct symbol *c)
-{
- if (strchr(p->name, '[') == NULL && strchr(c->name, '['))
- /* Last kernel symbol mapped to end of page */
- p->end = roundup(p->end, page_size);
- else
- p->end = c->start;
- pr_debug4("%s sym:%s end:%#" PRIx64 "\n", __func__, p->name, p->end);
-}
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index f2640179ada9..44e1f8a44087 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -34,6 +34,7 @@
#include <linux/numa.h>
#include <linux/zalloc.h>
+#include "../util/header.h"
#include <numa.h>
#include <numaif.h>
@@ -54,7 +55,7 @@
struct thread_data {
int curr_cpu;
- cpu_set_t bind_cpumask;
+ cpu_set_t *bind_cpumask;
int bind_node;
u8 *process_data;
int process_nr;
@@ -266,71 +267,115 @@ static bool node_has_cpus(int node)
return ret;
}
-static cpu_set_t bind_to_cpu(int target_cpu)
+static cpu_set_t *bind_to_cpu(int target_cpu)
{
- cpu_set_t orig_mask, mask;
- int ret;
+ int nrcpus = numa_num_possible_cpus();
+ cpu_set_t *orig_mask, *mask;
+ size_t size;
- ret = sched_getaffinity(0, sizeof(orig_mask), &orig_mask);
- BUG_ON(ret);
+ orig_mask = CPU_ALLOC(nrcpus);
+ BUG_ON(!orig_mask);
+ size = CPU_ALLOC_SIZE(nrcpus);
+ CPU_ZERO_S(size, orig_mask);
+
+ if (sched_getaffinity(0, size, orig_mask))
+ goto err_out;
+
+ mask = CPU_ALLOC(nrcpus);
+ if (!mask)
+ goto err_out;
- CPU_ZERO(&mask);
+ CPU_ZERO_S(size, mask);
if (target_cpu == -1) {
int cpu;
for (cpu = 0; cpu < g->p.nr_cpus; cpu++)
- CPU_SET(cpu, &mask);
+ CPU_SET_S(cpu, size, mask);
} else {
- BUG_ON(target_cpu < 0 || target_cpu >= g->p.nr_cpus);
- CPU_SET(target_cpu, &mask);
+ if (target_cpu < 0 || target_cpu >= g->p.nr_cpus)
+ goto err;
+
+ CPU_SET_S(target_cpu, size, mask);
}
- ret = sched_setaffinity(0, sizeof(mask), &mask);
- BUG_ON(ret);
+ if (sched_setaffinity(0, size, mask))
+ goto err;
return orig_mask;
+
+err:
+ CPU_FREE(mask);
+err_out:
+ CPU_FREE(orig_mask);
+
+ /* BUG_ON due to failure in allocation of orig_mask/mask */
+ BUG_ON(-1);
}
-static cpu_set_t bind_to_node(int target_node)
+static cpu_set_t *bind_to_node(int target_node)
{
- cpu_set_t orig_mask, mask;
+ int nrcpus = numa_num_possible_cpus();
+ size_t size;
+ cpu_set_t *orig_mask, *mask;
int cpu;
- int ret;
- ret = sched_getaffinity(0, sizeof(orig_mask), &orig_mask);
- BUG_ON(ret);
+ orig_mask = CPU_ALLOC(nrcpus);
+ BUG_ON(!orig_mask);
+ size = CPU_ALLOC_SIZE(nrcpus);
+ CPU_ZERO_S(size, orig_mask);
- CPU_ZERO(&mask);
+ if (sched_getaffinity(0, size, orig_mask))
+ goto err_out;
+
+ mask = CPU_ALLOC(nrcpus);
+ if (!mask)
+ goto err_out;
+
+ CPU_ZERO_S(size, mask);
if (target_node == NUMA_NO_NODE) {
for (cpu = 0; cpu < g->p.nr_cpus; cpu++)
- CPU_SET(cpu, &mask);
+ CPU_SET_S(cpu, size, mask);
} else {
struct bitmask *cpumask = numa_allocate_cpumask();
- BUG_ON(!cpumask);
+ if (!cpumask)
+ goto err;
+
if (!numa_node_to_cpus(target_node, cpumask)) {
for (cpu = 0; cpu < (int)cpumask->size; cpu++) {
if (numa_bitmask_isbitset(cpumask, cpu))
- CPU_SET(cpu, &mask);
+ CPU_SET_S(cpu, size, mask);
}
}
numa_free_cpumask(cpumask);
}
- ret = sched_setaffinity(0, sizeof(mask), &mask);
- BUG_ON(ret);
+ if (sched_setaffinity(0, size, mask))
+ goto err;
return orig_mask;
+
+err:
+ CPU_FREE(mask);
+err_out:
+ CPU_FREE(orig_mask);
+
+ /* BUG_ON due to failure in allocation of orig_mask/mask */
+ BUG_ON(-1);
}
-static void bind_to_cpumask(cpu_set_t mask)
+static void bind_to_cpumask(cpu_set_t *mask)
{
int ret;
+ size_t size = CPU_ALLOC_SIZE(numa_num_possible_cpus());
- ret = sched_setaffinity(0, sizeof(mask), &mask);
- BUG_ON(ret);
+ ret = sched_setaffinity(0, size, mask);
+ if (ret) {
+ CPU_FREE(mask);
+ BUG_ON(ret);
+ }
}
static void mempol_restore(void)
@@ -376,7 +421,7 @@ do { \
static u8 *alloc_data(ssize_t bytes0, int map_flags,
int init_zero, int init_cpu0, int thp, int init_random)
{
- cpu_set_t orig_mask;
+ cpu_set_t *orig_mask = NULL;
ssize_t bytes;
u8 *buf;
int ret;
@@ -434,6 +479,7 @@ static u8 *alloc_data(ssize_t bytes0, int map_flags,
/* Restore affinity: */
if (init_cpu0) {
bind_to_cpumask(orig_mask);
+ CPU_FREE(orig_mask);
mempol_restore();
}
@@ -585,10 +631,16 @@ static int parse_setup_cpu_list(void)
return -1;
}
+ if (is_cpu_online(bind_cpu_0) != 1 || is_cpu_online(bind_cpu_1) != 1) {
+ printf("\nTest not applicable, bind_cpu_0 or bind_cpu_1 is offline\n");
+ return -1;
+ }
+
BUG_ON(bind_cpu_0 < 0 || bind_cpu_1 < 0);
BUG_ON(bind_cpu_0 > bind_cpu_1);
for (bind_cpu = bind_cpu_0; bind_cpu <= bind_cpu_1; bind_cpu += step) {
+ size_t size = CPU_ALLOC_SIZE(g->p.nr_cpus);
int i;
for (i = 0; i < mul; i++) {
@@ -608,10 +660,15 @@ static int parse_setup_cpu_list(void)
tprintf("%2d", bind_cpu);
}
- CPU_ZERO(&td->bind_cpumask);
+ td->bind_cpumask = CPU_ALLOC(g->p.nr_cpus);
+ BUG_ON(!td->bind_cpumask);
+ CPU_ZERO_S(size, td->bind_cpumask);
for (cpu = bind_cpu; cpu < bind_cpu+bind_len; cpu++) {
- BUG_ON(cpu < 0 || cpu >= g->p.nr_cpus);
- CPU_SET(cpu, &td->bind_cpumask);
+ if (cpu < 0 || cpu >= g->p.nr_cpus) {
+ CPU_FREE(td->bind_cpumask);
+ BUG_ON(-1);
+ }
+ CPU_SET_S(cpu, size, td->bind_cpumask);
}
t++;
}
@@ -752,8 +809,6 @@ static int parse_nodes_opt(const struct option *opt __maybe_unused,
return parse_node_list(arg);
}
-#define BIT(x) (1ul << x)
-
static inline uint32_t lfsr_32(uint32_t lfsr)
{
const uint32_t taps = BIT(1) | BIT(5) | BIT(6) | BIT(31);
@@ -1241,7 +1296,7 @@ static void *worker_thread(void *__tdata)
* by migrating to CPU#0:
*/
if (first_task && g->p.perturb_secs && (int)(stop.tv_sec - last_perturbance) >= g->p.perturb_secs) {
- cpu_set_t orig_mask;
+ cpu_set_t *orig_mask;
int target_cpu;
int this_cpu;
@@ -1265,6 +1320,7 @@ static void *worker_thread(void *__tdata)
printf(" (injecting perturbalance, moved to CPU#%d)\n", target_cpu);
bind_to_cpumask(orig_mask);
+ CPU_FREE(orig_mask);
}
if (details >= 3) {
@@ -1398,21 +1454,31 @@ static void init_thread_data(void)
for (t = 0; t < g->p.nr_tasks; t++) {
struct thread_data *td = g->threads + t;
+ size_t cpuset_size = CPU_ALLOC_SIZE(g->p.nr_cpus);
int cpu;
/* Allow all nodes by default: */
td->bind_node = NUMA_NO_NODE;
/* Allow all CPUs by default: */
- CPU_ZERO(&td->bind_cpumask);
+ td->bind_cpumask = CPU_ALLOC(g->p.nr_cpus);
+ BUG_ON(!td->bind_cpumask);
+ CPU_ZERO_S(cpuset_size, td->bind_cpumask);
for (cpu = 0; cpu < g->p.nr_cpus; cpu++)
- CPU_SET(cpu, &td->bind_cpumask);
+ CPU_SET_S(cpu, cpuset_size, td->bind_cpumask);
}
}
static void deinit_thread_data(void)
{
ssize_t size = sizeof(*g->threads)*g->p.nr_tasks;
+ int t;
+
+ /* Free the bind_cpumask allocated for thread_data */
+ for (t = 0; t < g->p.nr_tasks; t++) {
+ struct thread_data *td = g->threads + t;
+ CPU_FREE(td->bind_cpumask);
+ }
free_data(g->threads, size);
}
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index ba74fab02e62..069825c48d40 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -989,8 +989,11 @@ static int record__thread_data_init_maps(struct record_thread *thread_data, stru
struct mmap *overwrite_mmap = evlist->overwrite_mmap;
struct perf_cpu_map *cpus = evlist->core.user_requested_cpus;
- thread_data->nr_mmaps = bitmap_weight(thread_data->mask->maps.bits,
- thread_data->mask->maps.nbits);
+ if (cpu_map__is_dummy(cpus))
+ thread_data->nr_mmaps = nr_mmaps;
+ else
+ thread_data->nr_mmaps = bitmap_weight(thread_data->mask->maps.bits,
+ thread_data->mask->maps.nbits);
if (mmap) {
thread_data->maps = zalloc(thread_data->nr_mmaps * sizeof(struct mmap *));
if (!thread_data->maps)
@@ -1007,16 +1010,17 @@ static int record__thread_data_init_maps(struct record_thread *thread_data, stru
thread_data->nr_mmaps, thread_data->maps, thread_data->overwrite_maps);
for (m = 0, tm = 0; m < nr_mmaps && tm < thread_data->nr_mmaps; m++) {
- if (test_bit(cpus->map[m].cpu, thread_data->mask->maps.bits)) {
+ if (cpu_map__is_dummy(cpus) ||
+ test_bit(cpus->map[m].cpu, thread_data->mask->maps.bits)) {
if (thread_data->maps) {
thread_data->maps[tm] = &mmap[m];
pr_debug2("thread_data[%p]: cpu%d: maps[%d] -> mmap[%d]\n",
- thread_data, cpus->map[m].cpu, tm, m);
+ thread_data, perf_cpu_map__cpu(cpus, m).cpu, tm, m);
}
if (thread_data->overwrite_maps) {
thread_data->overwrite_maps[tm] = &overwrite_mmap[m];
pr_debug2("thread_data[%p]: cpu%d: ow_maps[%d] -> ow_mmap[%d]\n",
- thread_data, cpus->map[m].cpu, tm, m);
+ thread_data, perf_cpu_map__cpu(cpus, m).cpu, tm, m);
}
tm++;
}
@@ -3329,6 +3333,9 @@ static void record__mmap_cpu_mask_init(struct mmap_cpu_mask *mask, struct perf_c
{
int c;
+ if (cpu_map__is_dummy(cpus))
+ return;
+
for (c = 0; c < cpus->nr; c++)
set_bit(cpus->map[c].cpu, mask->bits);
}
@@ -3680,6 +3687,11 @@ static int record__init_thread_masks(struct record *rec)
if (!record__threads_enabled(rec))
return record__init_thread_default_masks(rec, cpus);
+ if (cpu_map__is_dummy(cpus)) {
+ pr_err("--per-thread option is mutually exclusive to parallel streaming mode.\n");
+ return -EINVAL;
+ }
+
switch (rec->opts.threads_spec) {
case THREAD_SPEC__CPU:
ret = record__init_thread_cpu_masks(rec, cpus);
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 1ad75c7ba074..afe4a5539ecc 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -353,6 +353,7 @@ static int report__setup_sample_type(struct report *rep)
struct perf_session *session = rep->session;
u64 sample_type = evlist__combined_sample_type(session->evlist);
bool is_pipe = perf_data__is_pipe(session->data);
+ struct evsel *evsel;
if (session->itrace_synth_opts->callchain ||
session->itrace_synth_opts->add_callchain ||
@@ -407,6 +408,19 @@ static int report__setup_sample_type(struct report *rep)
}
if (sort__mode == SORT_MODE__MEMORY) {
+ /*
+ * FIXUP: prior to kernel 5.18, Arm SPE missed to set
+ * PERF_SAMPLE_DATA_SRC bit in sample type. For backward
+ * compatibility, set the bit if it's an old perf data file.
+ */
+ evlist__for_each_entry(session->evlist, evsel) {
+ if (strstr(evsel->name, "arm_spe") &&
+ !(sample_type & PERF_SAMPLE_DATA_SRC)) {
+ evsel->core.attr.sample_type |= PERF_SAMPLE_DATA_SRC;
+ sample_type |= PERF_SAMPLE_DATA_SRC;
+ }
+ }
+
if (!is_pipe && !(sample_type & PERF_SAMPLE_DATA_SRC)) {
ui__error("Selected --mem-mode but no mem data. "
"Did you call perf record without -d?\n");
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index a2f117936188..cf5eab5431b4 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -461,7 +461,7 @@ static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
return -EINVAL;
if (PRINT_FIELD(DATA_SRC) &&
- evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
+ evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set))
return -EINVAL;
if (PRINT_FIELD(WEIGHT) &&
diff --git a/tools/perf/tests/attr/README b/tools/perf/tests/attr/README
index 454505d343fa..eb3f7d4bb324 100644
--- a/tools/perf/tests/attr/README
+++ b/tools/perf/tests/attr/README
@@ -60,6 +60,7 @@ Following tests are defined (with perf commands):
perf record -R kill (test-record-raw)
perf record -c 2 -e arm_spe_0// -- kill (test-record-spe-period)
perf record -e arm_spe_0/period=3/ -- kill (test-record-spe-period-term)
+ perf record -e arm_spe_0/pa_enable=1/ -- kill (test-record-spe-physical-address)
perf stat -e cycles kill (test-stat-basic)
perf stat kill (test-stat-default)
perf stat -d kill (test-stat-detailed-1)
diff --git a/tools/perf/tests/attr/test-record-spe-physical-address b/tools/perf/tests/attr/test-record-spe-physical-address
new file mode 100644
index 000000000000..7ebcf5012ce3
--- /dev/null
+++ b/tools/perf/tests/attr/test-record-spe-physical-address
@@ -0,0 +1,12 @@
+[config]
+command = record
+args = --no-bpf-event -e arm_spe_0/pa_enable=1/ -- kill >/dev/null 2>&1
+ret = 1
+arch = aarch64
+
+[event-10:base-record-spe]
+# 622727 is the decimal of IP|TID|TIME|CPU|IDENTIFIER|DATA_SRC|PHYS_ADDR
+sample_type=622727
+
+# dummy event
+[event-1:base-record-spe] \ No newline at end of file
diff --git a/tools/perf/tests/perf-time-to-tsc.c b/tools/perf/tests/perf-time-to-tsc.c
index cc6df49a65a1..4ad0dfbc8b21 100644
--- a/tools/perf/tests/perf-time-to-tsc.c
+++ b/tools/perf/tests/perf-time-to-tsc.c
@@ -123,6 +123,10 @@ static int test__perf_time_to_tsc(struct test_suite *test __maybe_unused, int su
evsel->core.attr.enable_on_exec = 0;
}
+ if (evlist__open(evlist) == -ENOENT) {
+ err = TEST_SKIP;
+ goto out_err;
+ }
CHECK__(evlist__open(evlist));
CHECK__(evlist__mmap(evlist, UINT_MAX));
diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
index d2b64e3f588b..1a80151baed9 100644
--- a/tools/perf/util/arm-spe.c
+++ b/tools/perf/util/arm-spe.c
@@ -1033,10 +1033,11 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf_session *session)
memset(&attr, 0, sizeof(struct perf_event_attr));
attr.size = sizeof(struct perf_event_attr);
attr.type = PERF_TYPE_HARDWARE;
- attr.sample_type = evsel->core.attr.sample_type & PERF_SAMPLE_MASK;
+ attr.sample_type = evsel->core.attr.sample_type &
+ (PERF_SAMPLE_MASK | PERF_SAMPLE_PHYS_ADDR);
attr.sample_type |= PERF_SAMPLE_IP | PERF_SAMPLE_TID |
PERF_SAMPLE_PERIOD | PERF_SAMPLE_DATA_SRC |
- PERF_SAMPLE_WEIGHT;
+ PERF_SAMPLE_WEIGHT | PERF_SAMPLE_ADDR;
if (spe->timeless_decoding)
attr.sample_type &= ~(u64)PERF_SAMPLE_TIME;
else
diff --git a/tools/perf/util/c++/clang.cpp b/tools/perf/util/c++/clang.cpp
index df7b18fb6b6e..1aad7d6d34aa 100644
--- a/tools/perf/util/c++/clang.cpp
+++ b/tools/perf/util/c++/clang.cpp
@@ -20,7 +20,11 @@
#include "llvm/Option/Option.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/ManagedStatic.h"
+#if CLANG_VERSION_MAJOR >= 14
+#include "llvm/MC/TargetRegistry.h"
+#else
#include "llvm/Support/TargetRegistry.h"
+#endif
#include "llvm/Support/TargetSelect.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index d546ff724dbe..a27132e5a5ef 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -983,6 +983,57 @@ static int write_dir_format(struct feat_fd *ff,
return do_write(ff, &data->dir.version, sizeof(data->dir.version));
}
+/*
+ * Check whether a CPU is online
+ *
+ * Returns:
+ * 1 -> if CPU is online
+ * 0 -> if CPU is offline
+ * -1 -> error case
+ */
+int is_cpu_online(unsigned int cpu)
+{
+ char *str;
+ size_t strlen;
+ char buf[256];
+ int status = -1;
+ struct stat statbuf;
+
+ snprintf(buf, sizeof(buf),
+ "/sys/devices/system/cpu/cpu%d", cpu);
+ if (stat(buf, &statbuf) != 0)
+ return 0;
+
+ /*
+ * Check if /sys/devices/system/cpu/cpux/online file
+ * exists. Some cases cpu0 won't have online file since
+ * it is not expected to be turned off generally.
+ * In kernels without CONFIG_HOTPLUG_CPU, this
+ * file won't exist
+ */
+ snprintf(buf, sizeof(buf),
+ "/sys/devices/system/cpu/cpu%d/online", cpu);
+ if (stat(buf, &statbuf) != 0)
+ return 1;
+
+ /*
+ * Read online file using sysfs__read_str.
+ * If read or open fails, return -1.
+ * If read succeeds, return value from file
+ * which gets stored in "str"
+ */
+ snprintf(buf, sizeof(buf),
+ "devices/system/cpu/cpu%d/online", cpu);
+
+ if (sysfs__read_str(buf, &str, &strlen) < 0)
+ return status;
+
+ status = atoi(str);
+
+ free(str);
+ return status;
+}
+
#ifdef HAVE_LIBBPF_SUPPORT
static int write_bpf_prog_info(struct feat_fd *ff,
struct evlist *evlist __maybe_unused)
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index c9e3265832d9..0eb4bc29a5a4 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -158,6 +158,7 @@ int do_write(struct feat_fd *fd, const void *buf, size_t size);
int write_padded(struct feat_fd *fd, const void *bf,
size_t count, size_t count_aligned);
+int is_cpu_online(unsigned int cpu);
/*
* arch specific callback
*/
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 24997925ae00..dd84fed698a3 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1523,7 +1523,9 @@ int parse_events_add_pmu(struct parse_events_state *parse_state,
bool use_uncore_alias;
LIST_HEAD(config_terms);
- if (verbose > 1) {
+ pmu = parse_state->fake_pmu ?: perf_pmu__find(name);
+
+ if (verbose > 1 && !(pmu && pmu->selectable)) {
fprintf(stderr, "Attempting to add event pmu '%s' with '",
name);
if (head_config) {
@@ -1536,7 +1538,6 @@ int parse_events_add_pmu(struct parse_events_state *parse_state,
fprintf(stderr, "' that may result in non-fatal errors\n");
}
- pmu = parse_state->fake_pmu ?: perf_pmu__find(name);
if (!pmu) {
char *err_str;
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 45a30040ec8d..f9a320694b85 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -2576,7 +2576,7 @@ int perf_session__process_events(struct perf_session *session)
if (perf_data__is_pipe(session->data))
return __perf_session__process_pipe_events(session);
- if (perf_data__is_dir(session->data))
+ if (perf_data__is_dir(session->data) && session->data->dir.nr)
return __perf_session__process_dir_events(session);
return __perf_session__process_events(session);
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index ee6f03481215..817a2de264b4 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <errno.h>
+#include <linux/err.h>
#include <inttypes.h>
#include <math.h>
#include <string.h>
@@ -311,7 +312,7 @@ static int check_per_pkg(struct evsel *counter, struct perf_counts_values *vals,
if (!mask) {
mask = hashmap__new(pkg_id_hash, pkg_id_equal, NULL);
- if (!mask)
+ if (IS_ERR(mask))
return -ENOMEM;
counter->per_pkg_mask = mask;
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 31cd59a2b66e..ecd377938eea 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -1290,7 +1290,7 @@ dso__load_sym_internal(struct dso *dso, struct map *map, struct symsrc *syms_ss,
* For misannotated, zeroed, ASM function sizes.
*/
if (nr > 0) {
- symbols__fixup_end(&dso->symbols);
+ symbols__fixup_end(&dso->symbols, false);
symbols__fixup_duplicate(&dso->symbols);
if (kmap) {
/*
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index dea0fc495185..f72baf636724 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -101,11 +101,6 @@ static int prefix_underscores_count(const char *str)
return tail - str;
}
-void __weak arch__symbols__fixup_end(struct symbol *p, struct symbol *c)
-{
- p->end = c->start;
-}
-
const char * __weak arch__normalize_symbol_name(const char *name)
{
return name;
@@ -217,7 +212,8 @@ again:
}
}
-void symbols__fixup_end(struct rb_root_cached *symbols)
+/* Update zero-sized symbols using the address of the next symbol */
+void symbols__fixup_end(struct rb_root_cached *symbols, bool is_kallsyms)
{
struct rb_node *nd, *prevnd = rb_first_cached(symbols);
struct symbol *curr, *prev;
@@ -231,8 +227,29 @@ void symbols__fixup_end(struct rb_root_cached *symbols)
prev = curr;
curr = rb_entry(nd, struct symbol, rb_node);
- if (prev->end == prev->start || prev->end != curr->start)
- arch__symbols__fixup_end(prev, curr);
+ /*
+ * On some architecture kernel text segment start is located at
+ * some low memory address, while modules are located at high
+ * memory addresses (or vice versa). The gap between end of
+ * kernel text segment and beginning of first module's text
+ * segment is very big. Therefore do not fill this gap and do
+ * not assign it to the kernel dso map (kallsyms).
+ *
+ * In kallsyms, it determines module symbols using '[' character
+ * like in:
+ * ffffffffc1937000 T hdmi_driver_init [snd_hda_codec_hdmi]
+ */
+ if (prev->end == prev->start) {
+ /* Last kernel/module symbol mapped to end of page */
+ if (is_kallsyms && (!strchr(prev->name, '[') !=
+ !strchr(curr->name, '[')))
+ prev->end = roundup(prev->end + 4096, 4096);
+ else
+ prev->end = curr->start;
+
+ pr_debug4("%s sym:%s end:%#" PRIx64 "\n",
+ __func__, prev->name, prev->end);
+ }
}
/* Last entry */
@@ -1467,7 +1484,7 @@ int __dso__load_kallsyms(struct dso *dso, const char *filename,
if (kallsyms__delta(kmap, filename, &delta))
return -1;
- symbols__fixup_end(&dso->symbols);
+ symbols__fixup_end(&dso->symbols, true);
symbols__fixup_duplicate(&dso->symbols);
if (dso->kernel == DSO_SPACE__KERNEL_GUEST)
@@ -1659,7 +1676,7 @@ int dso__load_bfd_symbols(struct dso *dso, const char *debugfile)
#undef bfd_asymbol_section
#endif
- symbols__fixup_end(&dso->symbols);
+ symbols__fixup_end(&dso->symbols, false);
symbols__fixup_duplicate(&dso->symbols);
dso->adjust_symbols = 1;
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index fbf866d82dcc..0b893dcc8ea6 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -203,7 +203,7 @@ void __symbols__insert(struct rb_root_cached *symbols, struct symbol *sym,
bool kernel);
void symbols__insert(struct rb_root_cached *symbols, struct symbol *sym);
void symbols__fixup_duplicate(struct rb_root_cached *symbols);
-void symbols__fixup_end(struct rb_root_cached *symbols);
+void symbols__fixup_end(struct rb_root_cached *symbols, bool is_kallsyms);
void maps__fixup_end(struct maps *maps);
typedef int (*mapfn_t)(u64 start, u64 len, u64 pgoff, void *data);
@@ -241,7 +241,6 @@ const char *arch__normalize_symbol_name(const char *name);
#define SYMBOL_A 0
#define SYMBOL_B 1
-void arch__symbols__fixup_end(struct symbol *p, struct symbol *c);
int arch__compare_symbol_names(const char *namea, const char *nameb);
int arch__compare_symbol_names_n(const char *namea, const char *nameb,
unsigned int n);
diff --git a/tools/power/x86/intel-speed-select/Makefile b/tools/power/x86/intel-speed-select/Makefile
index 846f785e278d..7221f2f55e8b 100644
--- a/tools/power/x86/intel-speed-select/Makefile
+++ b/tools/power/x86/intel-speed-select/Makefile
@@ -42,7 +42,7 @@ ISST_IN := $(OUTPUT)intel-speed-select-in.o
$(ISST_IN): prepare FORCE
$(Q)$(MAKE) $(build)=intel-speed-select
$(OUTPUT)intel-speed-select: $(ISST_IN)
- $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
+ $(QUIET_LINK)$(CC) $(CFLAGS) $< $(LDFLAGS) -o $@
clean:
rm -f $(ALL_PROGRAMS)
diff --git a/tools/testing/radix-tree/linux.c b/tools/testing/radix-tree/linux.c
index 81539f543954..d5c1bcba86fe 100644
--- a/tools/testing/radix-tree/linux.c
+++ b/tools/testing/radix-tree/linux.c
@@ -25,7 +25,8 @@ struct kmem_cache {
void (*ctor)(void *);
};
-void *kmem_cache_alloc(struct kmem_cache *cachep, int gfp)
+void *kmem_cache_alloc_lru(struct kmem_cache *cachep, struct list_lru *lru,
+ int gfp)
{
void *p;
diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/vxlan_flooding_ipv6.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/vxlan_flooding_ipv6.sh
index 429f7ee735cf..fd23c80eba31 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/vxlan_flooding_ipv6.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/vxlan_flooding_ipv6.sh
@@ -159,6 +159,17 @@ flooding_remotes_add()
local lsb
local i
+ # Prevent unwanted packets from entering the bridge and interfering
+ # with the test.
+ tc qdisc add dev br0 clsact
+ tc filter add dev br0 egress protocol all pref 1 handle 1 \
+ matchall skip_hw action drop
+ tc qdisc add dev $h1 clsact
+ tc filter add dev $h1 egress protocol all pref 1 handle 1 \
+ flower skip_hw dst_mac de:ad:be:ef:13:37 action pass
+ tc filter add dev $h1 egress protocol all pref 2 handle 2 \
+ matchall skip_hw action drop
+
for i in $(eval echo {1..$num_remotes}); do
lsb=$((i + 1))
@@ -195,6 +206,12 @@ flooding_filters_del()
done
tc qdisc del dev $rp2 clsact
+
+ tc filter del dev $h1 egress protocol all pref 2 handle 2 matchall
+ tc filter del dev $h1 egress protocol all pref 1 handle 1 flower
+ tc qdisc del dev $h1 clsact
+ tc filter del dev br0 egress protocol all pref 1 handle 1 matchall
+ tc qdisc del dev br0 clsact
}
flooding_check_packets()
diff --git a/tools/testing/selftests/drivers/net/mlxsw/vxlan_flooding.sh b/tools/testing/selftests/drivers/net/mlxsw/vxlan_flooding.sh
index fedcb7b35af9..af5ea50ed5c0 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/vxlan_flooding.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/vxlan_flooding.sh
@@ -172,6 +172,17 @@ flooding_filters_add()
local lsb
local i
+ # Prevent unwanted packets from entering the bridge and interfering
+ # with the test.
+ tc qdisc add dev br0 clsact
+ tc filter add dev br0 egress protocol all pref 1 handle 1 \
+ matchall skip_hw action drop
+ tc qdisc add dev $h1 clsact
+ tc filter add dev $h1 egress protocol all pref 1 handle 1 \
+ flower skip_hw dst_mac de:ad:be:ef:13:37 action pass
+ tc filter add dev $h1 egress protocol all pref 2 handle 2 \
+ matchall skip_hw action drop
+
tc qdisc add dev $rp2 clsact
for i in $(eval echo {1..$num_remotes}); do
@@ -194,6 +205,12 @@ flooding_filters_del()
done
tc qdisc del dev $rp2 clsact
+
+ tc filter del dev $h1 egress protocol all pref 2 handle 2 matchall
+ tc filter del dev $h1 egress protocol all pref 1 handle 1 flower
+ tc qdisc del dev $h1 clsact
+ tc filter del dev br0 egress protocol all pref 1 handle 1 matchall
+ tc qdisc del dev br0 clsact
}
flooding_check_packets()
diff --git a/tools/testing/selftests/kvm/.gitignore b/tools/testing/selftests/kvm/.gitignore
index d1e8f5237469..0b0e4402bba6 100644
--- a/tools/testing/selftests/kvm/.gitignore
+++ b/tools/testing/selftests/kvm/.gitignore
@@ -3,6 +3,7 @@
/aarch64/debug-exceptions
/aarch64/get-reg-list
/aarch64/psci_cpu_on_test
+/aarch64/vcpu_width_config
/aarch64/vgic_init
/aarch64/vgic_irq
/s390x/memop
@@ -33,6 +34,7 @@
/x86_64/state_test
/x86_64/svm_vmcall_test
/x86_64/svm_int_ctl_test
+/x86_64/tsc_scaling_sync
/x86_64/sync_regs_test
/x86_64/tsc_msrs_test
/x86_64/userspace_io_test
diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
index 21c2dbd21a81..681b173aa87c 100644
--- a/tools/testing/selftests/kvm/Makefile
+++ b/tools/testing/selftests/kvm/Makefile
@@ -106,6 +106,7 @@ TEST_GEN_PROGS_aarch64 += aarch64/arch_timer
TEST_GEN_PROGS_aarch64 += aarch64/debug-exceptions
TEST_GEN_PROGS_aarch64 += aarch64/get-reg-list
TEST_GEN_PROGS_aarch64 += aarch64/psci_cpu_on_test
+TEST_GEN_PROGS_aarch64 += aarch64/vcpu_width_config
TEST_GEN_PROGS_aarch64 += aarch64/vgic_init
TEST_GEN_PROGS_aarch64 += aarch64/vgic_irq
TEST_GEN_PROGS_aarch64 += demand_paging_test
diff --git a/tools/testing/selftests/kvm/aarch64/arch_timer.c b/tools/testing/selftests/kvm/aarch64/arch_timer.c
index b08d30bf71c5..3b940a101bc0 100644
--- a/tools/testing/selftests/kvm/aarch64/arch_timer.c
+++ b/tools/testing/selftests/kvm/aarch64/arch_timer.c
@@ -362,11 +362,12 @@ static void test_init_timer_irq(struct kvm_vm *vm)
pr_debug("ptimer_irq: %d; vtimer_irq: %d\n", ptimer_irq, vtimer_irq);
}
+static int gic_fd;
+
static struct kvm_vm *test_vm_create(void)
{
struct kvm_vm *vm;
unsigned int i;
- int ret;
int nr_vcpus = test_args.nr_vcpus;
vm = vm_create_default_with_vcpus(nr_vcpus, 0, 0, guest_code, NULL);
@@ -383,8 +384,8 @@ static struct kvm_vm *test_vm_create(void)
ucall_init(vm, NULL);
test_init_timer_irq(vm);
- ret = vgic_v3_setup(vm, nr_vcpus, 64, GICD_BASE_GPA, GICR_BASE_GPA);
- if (ret < 0) {
+ gic_fd = vgic_v3_setup(vm, nr_vcpus, 64, GICD_BASE_GPA, GICR_BASE_GPA);
+ if (gic_fd < 0) {
print_skip("Failed to create vgic-v3");
exit(KSFT_SKIP);
}
@@ -395,6 +396,12 @@ static struct kvm_vm *test_vm_create(void)
return vm;
}
+static void test_vm_cleanup(struct kvm_vm *vm)
+{
+ close(gic_fd);
+ kvm_vm_free(vm);
+}
+
static void test_print_help(char *name)
{
pr_info("Usage: %s [-h] [-n nr_vcpus] [-i iterations] [-p timer_period_ms]\n",
@@ -478,7 +485,7 @@ int main(int argc, char *argv[])
vm = test_vm_create();
test_run(vm);
- kvm_vm_free(vm);
+ test_vm_cleanup(vm);
return 0;
}
diff --git a/tools/testing/selftests/kvm/aarch64/get-reg-list.c b/tools/testing/selftests/kvm/aarch64/get-reg-list.c
index f12147c43464..0b571f3fe64c 100644
--- a/tools/testing/selftests/kvm/aarch64/get-reg-list.c
+++ b/tools/testing/selftests/kvm/aarch64/get-reg-list.c
@@ -503,8 +503,13 @@ static void run_test(struct vcpu_config *c)
++missing_regs;
if (new_regs || missing_regs) {
+ n = 0;
+ for_each_reg_filtered(i)
+ ++n;
+
printf("%s: Number blessed registers: %5lld\n", config_name(c), blessed_n);
- printf("%s: Number registers: %5lld\n", config_name(c), reg_list->n);
+ printf("%s: Number registers: %5lld (includes %lld filtered registers)\n",
+ config_name(c), reg_list->n, reg_list->n - n);
}
if (new_regs) {
@@ -683,9 +688,10 @@ static __u64 base_regs[] = {
KVM_REG_ARM64 | KVM_REG_SIZE_U64 | KVM_REG_ARM_CORE | KVM_REG_ARM_CORE_REG(spsr[4]),
KVM_REG_ARM64 | KVM_REG_SIZE_U32 | KVM_REG_ARM_CORE | KVM_REG_ARM_CORE_REG(fp_regs.fpsr),
KVM_REG_ARM64 | KVM_REG_SIZE_U32 | KVM_REG_ARM_CORE | KVM_REG_ARM_CORE_REG(fp_regs.fpcr),
- KVM_REG_ARM_FW_REG(0),
- KVM_REG_ARM_FW_REG(1),
- KVM_REG_ARM_FW_REG(2),
+ KVM_REG_ARM_FW_REG(0), /* KVM_REG_ARM_PSCI_VERSION */
+ KVM_REG_ARM_FW_REG(1), /* KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1 */
+ KVM_REG_ARM_FW_REG(2), /* KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2 */
+ KVM_REG_ARM_FW_REG(3), /* KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_3 */
ARM64_SYS_REG(3, 3, 14, 3, 1), /* CNTV_CTL_EL0 */
ARM64_SYS_REG(3, 3, 14, 3, 2), /* CNTV_CVAL_EL0 */
ARM64_SYS_REG(3, 3, 14, 0, 2),
diff --git a/tools/testing/selftests/kvm/aarch64/vcpu_width_config.c b/tools/testing/selftests/kvm/aarch64/vcpu_width_config.c
new file mode 100644
index 000000000000..6e9402679229
--- /dev/null
+++ b/tools/testing/selftests/kvm/aarch64/vcpu_width_config.c
@@ -0,0 +1,122 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * vcpu_width_config - Test KVM_ARM_VCPU_INIT() with KVM_ARM_VCPU_EL1_32BIT.
+ *
+ * Copyright (c) 2022 Google LLC.
+ *
+ * This is a test that ensures that non-mixed-width vCPUs (all 64bit vCPUs
+ * or all 32bit vcPUs) can be configured and mixed-width vCPUs cannot be
+ * configured.
+ */
+
+#include "kvm_util.h"
+#include "processor.h"
+#include "test_util.h"
+
+
+/*
+ * Add a vCPU, run KVM_ARM_VCPU_INIT with @init1, and then
+ * add another vCPU, and run KVM_ARM_VCPU_INIT with @init2.
+ */
+static int add_init_2vcpus(struct kvm_vcpu_init *init1,
+ struct kvm_vcpu_init *init2)
+{
+ struct kvm_vm *vm;
+ int ret;
+
+ vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES, O_RDWR);
+
+ vm_vcpu_add(vm, 0);
+ ret = _vcpu_ioctl(vm, 0, KVM_ARM_VCPU_INIT, init1);
+ if (ret)
+ goto free_exit;
+
+ vm_vcpu_add(vm, 1);
+ ret = _vcpu_ioctl(vm, 1, KVM_ARM_VCPU_INIT, init2);
+
+free_exit:
+ kvm_vm_free(vm);
+ return ret;
+}
+
+/*
+ * Add two vCPUs, then run KVM_ARM_VCPU_INIT for one vCPU with @init1,
+ * and run KVM_ARM_VCPU_INIT for another vCPU with @init2.
+ */
+static int add_2vcpus_init_2vcpus(struct kvm_vcpu_init *init1,
+ struct kvm_vcpu_init *init2)
+{
+ struct kvm_vm *vm;
+ int ret;
+
+ vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES, O_RDWR);
+
+ vm_vcpu_add(vm, 0);
+ vm_vcpu_add(vm, 1);
+
+ ret = _vcpu_ioctl(vm, 0, KVM_ARM_VCPU_INIT, init1);
+ if (ret)
+ goto free_exit;
+
+ ret = _vcpu_ioctl(vm, 1, KVM_ARM_VCPU_INIT, init2);
+
+free_exit:
+ kvm_vm_free(vm);
+ return ret;
+}
+
+/*
+ * Tests that two 64bit vCPUs can be configured, two 32bit vCPUs can be
+ * configured, and two mixed-width vCPUs cannot be configured.
+ * Each of those three cases, configure vCPUs in two different orders.
+ * The one is running KVM_CREATE_VCPU for 2 vCPUs, and then running
+ * KVM_ARM_VCPU_INIT for them.
+ * The other is running KVM_CREATE_VCPU and KVM_ARM_VCPU_INIT for a vCPU,
+ * and then run those commands for another vCPU.
+ */
+int main(void)
+{
+ struct kvm_vcpu_init init1, init2;
+ struct kvm_vm *vm;
+ int ret;
+
+ if (!kvm_check_cap(KVM_CAP_ARM_EL1_32BIT)) {
+ print_skip("KVM_CAP_ARM_EL1_32BIT is not supported");
+ exit(KSFT_SKIP);
+ }
+
+ /* Get the preferred target type and copy that to init2 for later use */
+ vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES, O_RDWR);
+ vm_ioctl(vm, KVM_ARM_PREFERRED_TARGET, &init1);
+ kvm_vm_free(vm);
+ init2 = init1;
+
+ /* Test with 64bit vCPUs */
+ ret = add_init_2vcpus(&init1, &init1);
+ TEST_ASSERT(ret == 0,
+ "Configuring 64bit EL1 vCPUs failed unexpectedly");
+ ret = add_2vcpus_init_2vcpus(&init1, &init1);
+ TEST_ASSERT(ret == 0,
+ "Configuring 64bit EL1 vCPUs failed unexpectedly");
+
+ /* Test with 32bit vCPUs */
+ init1.features[0] = (1 << KVM_ARM_VCPU_EL1_32BIT);
+ ret = add_init_2vcpus(&init1, &init1);
+ TEST_ASSERT(ret == 0,
+ "Configuring 32bit EL1 vCPUs failed unexpectedly");
+ ret = add_2vcpus_init_2vcpus(&init1, &init1);
+ TEST_ASSERT(ret == 0,
+ "Configuring 32bit EL1 vCPUs failed unexpectedly");
+
+ /* Test with mixed-width vCPUs */
+ init1.features[0] = 0;
+ init2.features[0] = (1 << KVM_ARM_VCPU_EL1_32BIT);
+ ret = add_init_2vcpus(&init1, &init2);
+ TEST_ASSERT(ret != 0,
+ "Configuring mixed-width vCPUs worked unexpectedly");
+ ret = add_2vcpus_init_2vcpus(&init1, &init2);
+ TEST_ASSERT(ret != 0,
+ "Configuring mixed-width vCPUs worked unexpectedly");
+
+ return 0;
+}
diff --git a/tools/testing/selftests/kvm/dirty_log_perf_test.c b/tools/testing/selftests/kvm/dirty_log_perf_test.c
index c9d9e513ca04..7b47ae4f952e 100644
--- a/tools/testing/selftests/kvm/dirty_log_perf_test.c
+++ b/tools/testing/selftests/kvm/dirty_log_perf_test.c
@@ -18,11 +18,40 @@
#include "test_util.h"
#include "perf_test_util.h"
#include "guest_modes.h"
+
#ifdef __aarch64__
#include "aarch64/vgic.h"
#define GICD_BASE_GPA 0x8000000ULL
#define GICR_BASE_GPA 0x80A0000ULL
+
+static int gic_fd;
+
+static void arch_setup_vm(struct kvm_vm *vm, unsigned int nr_vcpus)
+{
+ /*
+ * The test can still run even if hardware does not support GICv3, as it
+ * is only an optimization to reduce guest exits.
+ */
+ gic_fd = vgic_v3_setup(vm, nr_vcpus, 64, GICD_BASE_GPA, GICR_BASE_GPA);
+}
+
+static void arch_cleanup_vm(struct kvm_vm *vm)
+{
+ if (gic_fd > 0)
+ close(gic_fd);
+}
+
+#else /* __aarch64__ */
+
+static void arch_setup_vm(struct kvm_vm *vm, unsigned int nr_vcpus)
+{
+}
+
+static void arch_cleanup_vm(struct kvm_vm *vm)
+{
+}
+
#endif
/* How many host loops to run by default (one KVM_GET_DIRTY_LOG for each loop)*/
@@ -206,9 +235,7 @@ static void run_test(enum vm_guest_mode mode, void *arg)
vm_enable_cap(vm, &cap);
}
-#ifdef __aarch64__
- vgic_v3_setup(vm, nr_vcpus, 64, GICD_BASE_GPA, GICR_BASE_GPA);
-#endif
+ arch_setup_vm(vm, nr_vcpus);
/* Start the iterations */
iteration = 0;
@@ -302,6 +329,7 @@ static void run_test(enum vm_guest_mode mode, void *arg)
}
free_bitmaps(bitmaps, p->slots);
+ arch_cleanup_vm(vm);
perf_test_destroy_vm(vm);
}
diff --git a/tools/testing/selftests/kvm/include/riscv/processor.h b/tools/testing/selftests/kvm/include/riscv/processor.h
index dc284c6bdbc3..eca5c622efd2 100644
--- a/tools/testing/selftests/kvm/include/riscv/processor.h
+++ b/tools/testing/selftests/kvm/include/riscv/processor.h
@@ -101,7 +101,9 @@ static inline void set_reg(struct kvm_vm *vm, uint32_t vcpuid, uint64_t id,
#define PGTBL_PTE_WRITE_SHIFT 2
#define PGTBL_PTE_READ_MASK 0x0000000000000002ULL
#define PGTBL_PTE_READ_SHIFT 1
-#define PGTBL_PTE_PERM_MASK (PGTBL_PTE_EXECUTE_MASK | \
+#define PGTBL_PTE_PERM_MASK (PGTBL_PTE_ACCESSED_MASK | \
+ PGTBL_PTE_DIRTY_MASK | \
+ PGTBL_PTE_EXECUTE_MASK | \
PGTBL_PTE_WRITE_MASK | \
PGTBL_PTE_READ_MASK)
#define PGTBL_PTE_VALID_MASK 0x0000000000000001ULL
diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
index 37db341d4cc5..d0d51adec76e 100644
--- a/tools/testing/selftests/kvm/include/x86_64/processor.h
+++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
@@ -60,6 +60,23 @@
/* CPUID.0x8000_0001.EDX */
#define CPUID_GBPAGES (1ul << 26)
+/* Page table bitfield declarations */
+#define PTE_PRESENT_MASK BIT_ULL(0)
+#define PTE_WRITABLE_MASK BIT_ULL(1)
+#define PTE_USER_MASK BIT_ULL(2)
+#define PTE_ACCESSED_MASK BIT_ULL(5)
+#define PTE_DIRTY_MASK BIT_ULL(6)
+#define PTE_LARGE_MASK BIT_ULL(7)
+#define PTE_GLOBAL_MASK BIT_ULL(8)
+#define PTE_NX_MASK BIT_ULL(63)
+
+#define PAGE_SHIFT 12
+#define PAGE_SIZE (1ULL << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
+
+#define PHYSICAL_PAGE_MASK GENMASK_ULL(51, 12)
+#define PTE_GET_PFN(pte) (((pte) & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT)
+
/* General Registers in 64-Bit Mode */
struct gpr64_regs {
u64 rax;
diff --git a/tools/testing/selftests/kvm/kvm_page_table_test.c b/tools/testing/selftests/kvm/kvm_page_table_test.c
index ba1fdc3dcf4a..2c4a7563a4f8 100644
--- a/tools/testing/selftests/kvm/kvm_page_table_test.c
+++ b/tools/testing/selftests/kvm/kvm_page_table_test.c
@@ -278,7 +278,7 @@ static struct kvm_vm *pre_init_before_test(enum vm_guest_mode mode, void *arg)
else
guest_test_phys_mem = p->phys_offset;
#ifdef __s390x__
- alignment = max(0x100000, alignment);
+ alignment = max(0x100000UL, alignment);
#endif
guest_test_phys_mem = align_down(guest_test_phys_mem, alignment);
diff --git a/tools/testing/selftests/kvm/lib/riscv/processor.c b/tools/testing/selftests/kvm/lib/riscv/processor.c
index d377f2603d98..3961487a4870 100644
--- a/tools/testing/selftests/kvm/lib/riscv/processor.c
+++ b/tools/testing/selftests/kvm/lib/riscv/processor.c
@@ -268,7 +268,7 @@ void vcpu_dump(FILE *stream, struct kvm_vm *vm, uint32_t vcpuid, uint8_t indent)
core.regs.t3, core.regs.t4, core.regs.t5, core.regs.t6);
}
-static void guest_hang(void)
+static void __aligned(16) guest_hang(void)
{
while (1)
;
diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c
index 9f000dfb5594..33ea5e9955d9 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/processor.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c
@@ -19,38 +19,6 @@
vm_vaddr_t exception_handlers;
-/* Virtual translation table structure declarations */
-struct pageUpperEntry {
- uint64_t present:1;
- uint64_t writable:1;
- uint64_t user:1;
- uint64_t write_through:1;
- uint64_t cache_disable:1;
- uint64_t accessed:1;
- uint64_t ignored_06:1;
- uint64_t page_size:1;
- uint64_t ignored_11_08:4;
- uint64_t pfn:40;
- uint64_t ignored_62_52:11;
- uint64_t execute_disable:1;
-};
-
-struct pageTableEntry {
- uint64_t present:1;
- uint64_t writable:1;
- uint64_t user:1;
- uint64_t write_through:1;
- uint64_t cache_disable:1;
- uint64_t accessed:1;
- uint64_t dirty:1;
- uint64_t reserved_07:1;
- uint64_t global:1;
- uint64_t ignored_11_09:3;
- uint64_t pfn:40;
- uint64_t ignored_62_52:11;
- uint64_t execute_disable:1;
-};
-
void regs_dump(FILE *stream, struct kvm_regs *regs,
uint8_t indent)
{
@@ -195,23 +163,21 @@ static void *virt_get_pte(struct kvm_vm *vm, uint64_t pt_pfn, uint64_t vaddr,
return &page_table[index];
}
-static struct pageUpperEntry *virt_create_upper_pte(struct kvm_vm *vm,
- uint64_t pt_pfn,
- uint64_t vaddr,
- uint64_t paddr,
- int level,
- enum x86_page_size page_size)
+static uint64_t *virt_create_upper_pte(struct kvm_vm *vm,
+ uint64_t pt_pfn,
+ uint64_t vaddr,
+ uint64_t paddr,
+ int level,
+ enum x86_page_size page_size)
{
- struct pageUpperEntry *pte = virt_get_pte(vm, pt_pfn, vaddr, level);
-
- if (!pte->present) {
- pte->writable = true;
- pte->present = true;
- pte->page_size = (level == page_size);
- if (pte->page_size)
- pte->pfn = paddr >> vm->page_shift;
+ uint64_t *pte = virt_get_pte(vm, pt_pfn, vaddr, level);
+
+ if (!(*pte & PTE_PRESENT_MASK)) {
+ *pte = PTE_PRESENT_MASK | PTE_WRITABLE_MASK;
+ if (level == page_size)
+ *pte |= PTE_LARGE_MASK | (paddr & PHYSICAL_PAGE_MASK);
else
- pte->pfn = vm_alloc_page_table(vm) >> vm->page_shift;
+ *pte |= vm_alloc_page_table(vm) & PHYSICAL_PAGE_MASK;
} else {
/*
* Entry already present. Assert that the caller doesn't want
@@ -221,7 +187,7 @@ static struct pageUpperEntry *virt_create_upper_pte(struct kvm_vm *vm,
TEST_ASSERT(level != page_size,
"Cannot create hugepage at level: %u, vaddr: 0x%lx\n",
page_size, vaddr);
- TEST_ASSERT(!pte->page_size,
+ TEST_ASSERT(!(*pte & PTE_LARGE_MASK),
"Cannot create page table at level: %u, vaddr: 0x%lx\n",
level, vaddr);
}
@@ -232,8 +198,8 @@ void __virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,
enum x86_page_size page_size)
{
const uint64_t pg_size = 1ull << ((page_size * 9) + 12);
- struct pageUpperEntry *pml4e, *pdpe, *pde;
- struct pageTableEntry *pte;
+ uint64_t *pml4e, *pdpe, *pde;
+ uint64_t *pte;
TEST_ASSERT(vm->mode == VM_MODE_PXXV48_4K,
"Unknown or unsupported guest mode, mode: 0x%x", vm->mode);
@@ -257,24 +223,22 @@ void __virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,
*/
pml4e = virt_create_upper_pte(vm, vm->pgd >> vm->page_shift,
vaddr, paddr, 3, page_size);
- if (pml4e->page_size)
+ if (*pml4e & PTE_LARGE_MASK)
return;
- pdpe = virt_create_upper_pte(vm, pml4e->pfn, vaddr, paddr, 2, page_size);
- if (pdpe->page_size)
+ pdpe = virt_create_upper_pte(vm, PTE_GET_PFN(*pml4e), vaddr, paddr, 2, page_size);
+ if (*pdpe & PTE_LARGE_MASK)
return;
- pde = virt_create_upper_pte(vm, pdpe->pfn, vaddr, paddr, 1, page_size);
- if (pde->page_size)
+ pde = virt_create_upper_pte(vm, PTE_GET_PFN(*pdpe), vaddr, paddr, 1, page_size);
+ if (*pde & PTE_LARGE_MASK)
return;
/* Fill in page table entry. */
- pte = virt_get_pte(vm, pde->pfn, vaddr, 0);
- TEST_ASSERT(!pte->present,
+ pte = virt_get_pte(vm, PTE_GET_PFN(*pde), vaddr, 0);
+ TEST_ASSERT(!(*pte & PTE_PRESENT_MASK),
"PTE already present for 4k page at vaddr: 0x%lx\n", vaddr);
- pte->pfn = paddr >> vm->page_shift;
- pte->writable = true;
- pte->present = 1;
+ *pte = PTE_PRESENT_MASK | PTE_WRITABLE_MASK | (paddr & PHYSICAL_PAGE_MASK);
}
void virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr)
@@ -282,22 +246,22 @@ void virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr)
__virt_pg_map(vm, vaddr, paddr, X86_PAGE_SIZE_4K);
}
-static struct pageTableEntry *_vm_get_page_table_entry(struct kvm_vm *vm, int vcpuid,
+static uint64_t *_vm_get_page_table_entry(struct kvm_vm *vm, int vcpuid,
uint64_t vaddr)
{
uint16_t index[4];
- struct pageUpperEntry *pml4e, *pdpe, *pde;
- struct pageTableEntry *pte;
+ uint64_t *pml4e, *pdpe, *pde;
+ uint64_t *pte;
struct kvm_cpuid_entry2 *entry;
struct kvm_sregs sregs;
int max_phy_addr;
- /* Set the bottom 52 bits. */
- uint64_t rsvd_mask = 0x000fffffffffffff;
+ uint64_t rsvd_mask = 0;
entry = kvm_get_supported_cpuid_index(0x80000008, 0);
max_phy_addr = entry->eax & 0x000000ff;
- /* Clear the bottom bits of the reserved mask. */
- rsvd_mask = (rsvd_mask >> max_phy_addr) << max_phy_addr;
+ /* Set the high bits in the reserved mask. */
+ if (max_phy_addr < 52)
+ rsvd_mask = GENMASK_ULL(51, max_phy_addr);
/*
* SDM vol 3, fig 4-11 "Formats of CR3 and Paging-Structure Entries
@@ -307,7 +271,7 @@ static struct pageTableEntry *_vm_get_page_table_entry(struct kvm_vm *vm, int vc
*/
vcpu_sregs_get(vm, vcpuid, &sregs);
if ((sregs.efer & EFER_NX) == 0) {
- rsvd_mask |= (1ull << 63);
+ rsvd_mask |= PTE_NX_MASK;
}
TEST_ASSERT(vm->mode == VM_MODE_PXXV48_4K, "Attempt to use "
@@ -329,30 +293,29 @@ static struct pageTableEntry *_vm_get_page_table_entry(struct kvm_vm *vm, int vc
index[3] = (vaddr >> 39) & 0x1ffu;
pml4e = addr_gpa2hva(vm, vm->pgd);
- TEST_ASSERT(pml4e[index[3]].present,
+ TEST_ASSERT(pml4e[index[3]] & PTE_PRESENT_MASK,
"Expected pml4e to be present for gva: 0x%08lx", vaddr);
- TEST_ASSERT((*(uint64_t*)(&pml4e[index[3]]) &
- (rsvd_mask | (1ull << 7))) == 0,
+ TEST_ASSERT((pml4e[index[3]] & (rsvd_mask | PTE_LARGE_MASK)) == 0,
"Unexpected reserved bits set.");
- pdpe = addr_gpa2hva(vm, pml4e[index[3]].pfn * vm->page_size);
- TEST_ASSERT(pdpe[index[2]].present,
+ pdpe = addr_gpa2hva(vm, PTE_GET_PFN(pml4e[index[3]]) * vm->page_size);
+ TEST_ASSERT(pdpe[index[2]] & PTE_PRESENT_MASK,
"Expected pdpe to be present for gva: 0x%08lx", vaddr);
- TEST_ASSERT(pdpe[index[2]].page_size == 0,
+ TEST_ASSERT(!(pdpe[index[2]] & PTE_LARGE_MASK),
"Expected pdpe to map a pde not a 1-GByte page.");
- TEST_ASSERT((*(uint64_t*)(&pdpe[index[2]]) & rsvd_mask) == 0,
+ TEST_ASSERT((pdpe[index[2]] & rsvd_mask) == 0,
"Unexpected reserved bits set.");
- pde = addr_gpa2hva(vm, pdpe[index[2]].pfn * vm->page_size);
- TEST_ASSERT(pde[index[1]].present,
+ pde = addr_gpa2hva(vm, PTE_GET_PFN(pdpe[index[2]]) * vm->page_size);
+ TEST_ASSERT(pde[index[1]] & PTE_PRESENT_MASK,
"Expected pde to be present for gva: 0x%08lx", vaddr);
- TEST_ASSERT(pde[index[1]].page_size == 0,
+ TEST_ASSERT(!(pde[index[1]] & PTE_LARGE_MASK),
"Expected pde to map a pte not a 2-MByte page.");
- TEST_ASSERT((*(uint64_t*)(&pde[index[1]]) & rsvd_mask) == 0,
+ TEST_ASSERT((pde[index[1]] & rsvd_mask) == 0,
"Unexpected reserved bits set.");
- pte = addr_gpa2hva(vm, pde[index[1]].pfn * vm->page_size);
- TEST_ASSERT(pte[index[0]].present,
+ pte = addr_gpa2hva(vm, PTE_GET_PFN(pde[index[1]]) * vm->page_size);
+ TEST_ASSERT(pte[index[0]] & PTE_PRESENT_MASK,
"Expected pte to be present for gva: 0x%08lx", vaddr);
return &pte[index[0]];
@@ -360,7 +323,7 @@ static struct pageTableEntry *_vm_get_page_table_entry(struct kvm_vm *vm, int vc
uint64_t vm_get_page_table_entry(struct kvm_vm *vm, int vcpuid, uint64_t vaddr)
{
- struct pageTableEntry *pte = _vm_get_page_table_entry(vm, vcpuid, vaddr);
+ uint64_t *pte = _vm_get_page_table_entry(vm, vcpuid, vaddr);
return *(uint64_t *)pte;
}
@@ -368,18 +331,17 @@ uint64_t vm_get_page_table_entry(struct kvm_vm *vm, int vcpuid, uint64_t vaddr)
void vm_set_page_table_entry(struct kvm_vm *vm, int vcpuid, uint64_t vaddr,
uint64_t pte)
{
- struct pageTableEntry *new_pte = _vm_get_page_table_entry(vm, vcpuid,
- vaddr);
+ uint64_t *new_pte = _vm_get_page_table_entry(vm, vcpuid, vaddr);
*(uint64_t *)new_pte = pte;
}
void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent)
{
- struct pageUpperEntry *pml4e, *pml4e_start;
- struct pageUpperEntry *pdpe, *pdpe_start;
- struct pageUpperEntry *pde, *pde_start;
- struct pageTableEntry *pte, *pte_start;
+ uint64_t *pml4e, *pml4e_start;
+ uint64_t *pdpe, *pdpe_start;
+ uint64_t *pde, *pde_start;
+ uint64_t *pte, *pte_start;
if (!vm->pgd_created)
return;
@@ -389,58 +351,58 @@ void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent)
fprintf(stream, "%*s index hvaddr gpaddr "
"addr w exec dirty\n",
indent, "");
- pml4e_start = (struct pageUpperEntry *) addr_gpa2hva(vm, vm->pgd);
+ pml4e_start = (uint64_t *) addr_gpa2hva(vm, vm->pgd);
for (uint16_t n1 = 0; n1 <= 0x1ffu; n1++) {
pml4e = &pml4e_start[n1];
- if (!pml4e->present)
+ if (!(*pml4e & PTE_PRESENT_MASK))
continue;
- fprintf(stream, "%*spml4e 0x%-3zx %p 0x%-12lx 0x%-10lx %u "
+ fprintf(stream, "%*spml4e 0x%-3zx %p 0x%-12lx 0x%-10llx %u "
" %u\n",
indent, "",
pml4e - pml4e_start, pml4e,
- addr_hva2gpa(vm, pml4e), (uint64_t) pml4e->pfn,
- pml4e->writable, pml4e->execute_disable);
+ addr_hva2gpa(vm, pml4e), PTE_GET_PFN(*pml4e),
+ !!(*pml4e & PTE_WRITABLE_MASK), !!(*pml4e & PTE_NX_MASK));
- pdpe_start = addr_gpa2hva(vm, pml4e->pfn * vm->page_size);
+ pdpe_start = addr_gpa2hva(vm, *pml4e & PHYSICAL_PAGE_MASK);
for (uint16_t n2 = 0; n2 <= 0x1ffu; n2++) {
pdpe = &pdpe_start[n2];
- if (!pdpe->present)
+ if (!(*pdpe & PTE_PRESENT_MASK))
continue;
- fprintf(stream, "%*spdpe 0x%-3zx %p 0x%-12lx 0x%-10lx "
+ fprintf(stream, "%*spdpe 0x%-3zx %p 0x%-12lx 0x%-10llx "
"%u %u\n",
indent, "",
pdpe - pdpe_start, pdpe,
addr_hva2gpa(vm, pdpe),
- (uint64_t) pdpe->pfn, pdpe->writable,
- pdpe->execute_disable);
+ PTE_GET_PFN(*pdpe), !!(*pdpe & PTE_WRITABLE_MASK),
+ !!(*pdpe & PTE_NX_MASK));
- pde_start = addr_gpa2hva(vm, pdpe->pfn * vm->page_size);
+ pde_start = addr_gpa2hva(vm, *pdpe & PHYSICAL_PAGE_MASK);
for (uint16_t n3 = 0; n3 <= 0x1ffu; n3++) {
pde = &pde_start[n3];
- if (!pde->present)
+ if (!(*pde & PTE_PRESENT_MASK))
continue;
fprintf(stream, "%*spde 0x%-3zx %p "
- "0x%-12lx 0x%-10lx %u %u\n",
+ "0x%-12lx 0x%-10llx %u %u\n",
indent, "", pde - pde_start, pde,
addr_hva2gpa(vm, pde),
- (uint64_t) pde->pfn, pde->writable,
- pde->execute_disable);
+ PTE_GET_PFN(*pde), !!(*pde & PTE_WRITABLE_MASK),
+ !!(*pde & PTE_NX_MASK));
- pte_start = addr_gpa2hva(vm, pde->pfn * vm->page_size);
+ pte_start = addr_gpa2hva(vm, *pde & PHYSICAL_PAGE_MASK);
for (uint16_t n4 = 0; n4 <= 0x1ffu; n4++) {
pte = &pte_start[n4];
- if (!pte->present)
+ if (!(*pte & PTE_PRESENT_MASK))
continue;
fprintf(stream, "%*spte 0x%-3zx %p "
- "0x%-12lx 0x%-10lx %u %u "
+ "0x%-12lx 0x%-10llx %u %u "
" %u 0x%-10lx\n",
indent, "",
pte - pte_start, pte,
addr_hva2gpa(vm, pte),
- (uint64_t) pte->pfn,
- pte->writable,
- pte->execute_disable,
- pte->dirty,
+ PTE_GET_PFN(*pte),
+ !!(*pte & PTE_WRITABLE_MASK),
+ !!(*pte & PTE_NX_MASK),
+ !!(*pte & PTE_DIRTY_MASK),
((uint64_t) n1 << 27)
| ((uint64_t) n2 << 18)
| ((uint64_t) n3 << 9)
@@ -558,8 +520,8 @@ static void kvm_seg_set_kernel_data_64bit(struct kvm_vm *vm, uint16_t selector,
vm_paddr_t addr_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva)
{
uint16_t index[4];
- struct pageUpperEntry *pml4e, *pdpe, *pde;
- struct pageTableEntry *pte;
+ uint64_t *pml4e, *pdpe, *pde;
+ uint64_t *pte;
TEST_ASSERT(vm->mode == VM_MODE_PXXV48_4K, "Attempt to use "
"unknown or unsupported guest mode, mode: 0x%x", vm->mode);
@@ -572,22 +534,22 @@ vm_paddr_t addr_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva)
if (!vm->pgd_created)
goto unmapped_gva;
pml4e = addr_gpa2hva(vm, vm->pgd);
- if (!pml4e[index[3]].present)
+ if (!(pml4e[index[3]] & PTE_PRESENT_MASK))
goto unmapped_gva;
- pdpe = addr_gpa2hva(vm, pml4e[index[3]].pfn * vm->page_size);
- if (!pdpe[index[2]].present)
+ pdpe = addr_gpa2hva(vm, PTE_GET_PFN(pml4e[index[3]]) * vm->page_size);
+ if (!(pdpe[index[2]] & PTE_PRESENT_MASK))
goto unmapped_gva;
- pde = addr_gpa2hva(vm, pdpe[index[2]].pfn * vm->page_size);
- if (!pde[index[1]].present)
+ pde = addr_gpa2hva(vm, PTE_GET_PFN(pdpe[index[2]]) * vm->page_size);
+ if (!(pde[index[1]] & PTE_PRESENT_MASK))
goto unmapped_gva;
- pte = addr_gpa2hva(vm, pde[index[1]].pfn * vm->page_size);
- if (!pte[index[0]].present)
+ pte = addr_gpa2hva(vm, PTE_GET_PFN(pde[index[1]]) * vm->page_size);
+ if (!(pte[index[0]] & PTE_PRESENT_MASK))
goto unmapped_gva;
- return (pte[index[0]].pfn * vm->page_size) + (gva & 0xfffu);
+ return (PTE_GET_PFN(pte[index[0]]) * vm->page_size) + (gva & ~PAGE_MASK);
unmapped_gva:
TEST_FAIL("No mapping for vm virtual address, gva: 0x%lx", gva);
diff --git a/tools/testing/selftests/kvm/x86_64/amx_test.c b/tools/testing/selftests/kvm/x86_64/amx_test.c
index 52a3ef6629e8..76f65c22796f 100644
--- a/tools/testing/selftests/kvm/x86_64/amx_test.c
+++ b/tools/testing/selftests/kvm/x86_64/amx_test.c
@@ -29,7 +29,6 @@
#define X86_FEATURE_XSAVE (1 << 26)
#define X86_FEATURE_OSXSAVE (1 << 27)
-#define PAGE_SIZE (1 << 12)
#define NUM_TILES 8
#define TILE_SIZE 1024
#define XSAVE_SIZE ((NUM_TILES * TILE_SIZE) + PAGE_SIZE)
diff --git a/tools/testing/selftests/kvm/x86_64/emulator_error_test.c b/tools/testing/selftests/kvm/x86_64/emulator_error_test.c
index f070ff0224fa..aeb3850f81bd 100644
--- a/tools/testing/selftests/kvm/x86_64/emulator_error_test.c
+++ b/tools/testing/selftests/kvm/x86_64/emulator_error_test.c
@@ -12,7 +12,6 @@
#include "vmx.h"
#define VCPU_ID 1
-#define PAGE_SIZE 4096
#define MAXPHYADDR 36
#define MEM_REGION_GVA 0x0000123456789000
diff --git a/tools/testing/selftests/kvm/x86_64/smm_test.c b/tools/testing/selftests/kvm/x86_64/smm_test.c
index a626d40fdb48..b4e0c860769e 100644
--- a/tools/testing/selftests/kvm/x86_64/smm_test.c
+++ b/tools/testing/selftests/kvm/x86_64/smm_test.c
@@ -21,8 +21,6 @@
#define VCPU_ID 1
-#define PAGE_SIZE 4096
-
#define SMRAM_SIZE 65536
#define SMRAM_MEMSLOT ((1 << 16) | 1)
#define SMRAM_PAGES (SMRAM_SIZE / PAGE_SIZE)
diff --git a/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c b/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c
index e683d0ac3e45..19b35c607dc6 100644
--- a/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c
+++ b/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c
@@ -32,7 +32,6 @@
#define MSR_IA32_TSC_ADJUST 0x3b
#endif
-#define PAGE_SIZE 4096
#define VCPU_ID 5
#define TSC_ADJUST_VALUE (1ll << 32)
diff --git a/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c b/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c
index 865e17146815..bcd370827859 100644
--- a/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c
+++ b/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c
@@ -23,7 +23,6 @@
#define SHINFO_REGION_GVA 0xc0000000ULL
#define SHINFO_REGION_GPA 0xc0000000ULL
#define SHINFO_REGION_SLOT 10
-#define PAGE_SIZE 4096
#define DUMMY_REGION_GPA (SHINFO_REGION_GPA + (2 * PAGE_SIZE))
#define DUMMY_REGION_SLOT 11
diff --git a/tools/testing/selftests/kvm/x86_64/xen_vmcall_test.c b/tools/testing/selftests/kvm/x86_64/xen_vmcall_test.c
index adc94452b57c..b30fe9de1d4f 100644
--- a/tools/testing/selftests/kvm/x86_64/xen_vmcall_test.c
+++ b/tools/testing/selftests/kvm/x86_64/xen_vmcall_test.c
@@ -15,7 +15,6 @@
#define HCALL_REGION_GPA 0xc0000000ULL
#define HCALL_REGION_SLOT 10
-#define PAGE_SIZE 4096
static struct kvm_vm *vm;
diff --git a/tools/testing/selftests/mqueue/mq_perf_tests.c b/tools/testing/selftests/mqueue/mq_perf_tests.c
index b019e0b8221c..84fda3b49073 100644
--- a/tools/testing/selftests/mqueue/mq_perf_tests.c
+++ b/tools/testing/selftests/mqueue/mq_perf_tests.c
@@ -180,6 +180,9 @@ void shutdown(int exit_val, char *err_cause, int line_no)
if (in_shutdown++)
return;
+ /* Free the cpu_set allocated using CPU_ALLOC in main function */
+ CPU_FREE(cpu_set);
+
for (i = 0; i < num_cpus_to_pin; i++)
if (cpu_threads[i]) {
pthread_kill(cpu_threads[i], SIGUSR1);
@@ -551,6 +554,12 @@ int main(int argc, char *argv[])
perror("sysconf(_SC_NPROCESSORS_ONLN)");
exit(1);
}
+
+ if (getuid() != 0)
+ ksft_exit_skip("Not running as root, but almost all tests "
+ "require root in order to modify\nsystem settings. "
+ "Exiting.\n");
+
cpus_online = min(MAX_CPUS, sysconf(_SC_NPROCESSORS_ONLN));
cpu_set = CPU_ALLOC(cpus_online);
if (cpu_set == NULL) {
@@ -589,7 +598,7 @@ int main(int argc, char *argv[])
cpu_set)) {
fprintf(stderr, "Any given CPU may "
"only be given once.\n");
- exit(1);
+ goto err_code;
} else
CPU_SET_S(cpus_to_pin[cpu],
cpu_set_size, cpu_set);
@@ -607,7 +616,7 @@ int main(int argc, char *argv[])
queue_path = malloc(strlen(option) + 2);
if (!queue_path) {
perror("malloc()");
- exit(1);
+ goto err_code;
}
queue_path[0] = '/';
queue_path[1] = 0;
@@ -622,17 +631,12 @@ int main(int argc, char *argv[])
fprintf(stderr, "Must pass at least one CPU to continuous "
"mode.\n");
poptPrintUsage(popt_context, stderr, 0);
- exit(1);
+ goto err_code;
} else if (!continuous_mode) {
num_cpus_to_pin = 1;
cpus_to_pin[0] = cpus_online - 1;
}
- if (getuid() != 0)
- ksft_exit_skip("Not running as root, but almost all tests "
- "require root in order to modify\nsystem settings. "
- "Exiting.\n");
-
max_msgs = fopen(MAX_MSGS, "r+");
max_msgsize = fopen(MAX_MSGSIZE, "r+");
if (!max_msgs)
@@ -740,4 +744,9 @@ int main(int argc, char *argv[])
sleep(1);
}
shutdown(0, "", 0);
+
+err_code:
+ CPU_FREE(cpu_set);
+ exit(1);
+
}
diff --git a/tools/testing/selftests/vm/mremap_test.c b/tools/testing/selftests/vm/mremap_test.c
index 7c0b0617b9f8..db0270127aeb 100644
--- a/tools/testing/selftests/vm/mremap_test.c
+++ b/tools/testing/selftests/vm/mremap_test.c
@@ -6,9 +6,11 @@
#include <errno.h>
#include <stdlib.h>
+#include <stdio.h>
#include <string.h>
#include <sys/mman.h>
#include <time.h>
+#include <stdbool.h>
#include "../kselftest.h"
@@ -64,6 +66,59 @@ enum {
}
/*
+ * Returns false if the requested remap region overlaps with an
+ * existing mapping (e.g text, stack) else returns true.
+ */
+static bool is_remap_region_valid(void *addr, unsigned long long size)
+{
+ void *remap_addr = NULL;
+ bool ret = true;
+
+ /* Use MAP_FIXED_NOREPLACE flag to ensure region is not mapped */
+ remap_addr = mmap(addr, size, PROT_READ | PROT_WRITE,
+ MAP_FIXED_NOREPLACE | MAP_ANONYMOUS | MAP_SHARED,
+ -1, 0);
+
+ if (remap_addr == MAP_FAILED) {
+ if (errno == EEXIST)
+ ret = false;
+ } else {
+ munmap(remap_addr, size);
+ }
+
+ return ret;
+}
+
+/* Returns mmap_min_addr sysctl tunable from procfs */
+static unsigned long long get_mmap_min_addr(void)
+{
+ FILE *fp;
+ int n_matched;
+ static unsigned long long addr;
+
+ if (addr)
+ return addr;
+
+ fp = fopen("/proc/sys/vm/mmap_min_addr", "r");
+ if (fp == NULL) {
+ ksft_print_msg("Failed to open /proc/sys/vm/mmap_min_addr: %s\n",
+ strerror(errno));
+ exit(KSFT_SKIP);
+ }
+
+ n_matched = fscanf(fp, "%llu", &addr);
+ if (n_matched != 1) {
+ ksft_print_msg("Failed to read /proc/sys/vm/mmap_min_addr: %s\n",
+ strerror(errno));
+ fclose(fp);
+ exit(KSFT_SKIP);
+ }
+
+ fclose(fp);
+ return addr;
+}
+
+/*
* Returns the start address of the mapping on success, else returns
* NULL on failure.
*/
@@ -71,11 +126,18 @@ static void *get_source_mapping(struct config c)
{
unsigned long long addr = 0ULL;
void *src_addr = NULL;
+ unsigned long long mmap_min_addr;
+
+ mmap_min_addr = get_mmap_min_addr();
+
retry:
addr += c.src_alignment;
+ if (addr < mmap_min_addr)
+ goto retry;
+
src_addr = mmap((void *) addr, c.region_size, PROT_READ | PROT_WRITE,
- MAP_FIXED_NOREPLACE | MAP_ANONYMOUS | MAP_SHARED,
- -1, 0);
+ MAP_FIXED_NOREPLACE | MAP_ANONYMOUS | MAP_SHARED,
+ -1, 0);
if (src_addr == MAP_FAILED) {
if (errno == EPERM || errno == EEXIST)
goto retry;
@@ -90,8 +152,10 @@ retry:
* alignment in the tests.
*/
if (((unsigned long long) src_addr & (c.src_alignment - 1)) ||
- !((unsigned long long) src_addr & c.src_alignment))
+ !((unsigned long long) src_addr & c.src_alignment)) {
+ munmap(src_addr, c.region_size);
goto retry;
+ }
if (!src_addr)
goto error;
@@ -140,9 +204,20 @@ static long long remap_region(struct config c, unsigned int threshold_mb,
if (!((unsigned long long) addr & c.dest_alignment))
addr = (void *) ((unsigned long long) addr | c.dest_alignment);
+ /* Don't destroy existing mappings unless expected to overlap */
+ while (!is_remap_region_valid(addr, c.region_size) && !c.overlapping) {
+ /* Check for unsigned overflow */
+ if (addr + c.dest_alignment < addr) {
+ ksft_print_msg("Couldn't find a valid region to remap to\n");
+ ret = -1;
+ goto out;
+ }
+ addr += c.dest_alignment;
+ }
+
clock_gettime(CLOCK_MONOTONIC, &t_start);
dest_addr = mremap(src_addr, c.region_size, c.region_size,
- MREMAP_MAYMOVE|MREMAP_FIXED, (char *) addr);
+ MREMAP_MAYMOVE|MREMAP_FIXED, (char *) addr);
clock_gettime(CLOCK_MONOTONIC, &t_end);
if (dest_addr == MAP_FAILED) {
@@ -193,7 +268,7 @@ static void run_mremap_test_case(struct test test_case, int *failures,
if (remap_time < 0) {
if (test_case.expect_failure)
- ksft_test_result_pass("%s\n\tExpected mremap failure\n",
+ ksft_test_result_xfail("%s\n\tExpected mremap failure\n",
test_case.name);
else {
ksft_test_result_fail("%s\n", test_case.name);
diff --git a/tools/testing/selftests/vm/run_vmtests.sh b/tools/testing/selftests/vm/run_vmtests.sh
index 3b265f140c25..352ba00cf26b 100755
--- a/tools/testing/selftests/vm/run_vmtests.sh
+++ b/tools/testing/selftests/vm/run_vmtests.sh
@@ -291,11 +291,16 @@ echo "-------------------"
echo "running mremap_test"
echo "-------------------"
./mremap_test
-if [ $? -ne 0 ]; then
+ret_val=$?
+
+if [ $ret_val -eq 0 ]; then
+ echo "[PASS]"
+elif [ $ret_val -eq $ksft_skip ]; then
+ echo "[SKIP]"
+ exitcode=$ksft_skip
+else
echo "[FAIL]"
exitcode=1
-else
- echo "[PASS]"
fi
echo "-----------------"
diff --git a/tools/testing/selftests/wireguard/qemu/arch/i686.config b/tools/testing/selftests/wireguard/qemu/arch/i686.config
index a85025d7206e..a9b4fe795048 100644
--- a/tools/testing/selftests/wireguard/qemu/arch/i686.config
+++ b/tools/testing/selftests/wireguard/qemu/arch/i686.config
@@ -1,3 +1,4 @@
+CONFIG_ACPI=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_CMDLINE_BOOL=y
diff --git a/tools/testing/selftests/wireguard/qemu/arch/x86_64.config b/tools/testing/selftests/wireguard/qemu/arch/x86_64.config
index 00a1ef4869d5..45dd53a0d760 100644
--- a/tools/testing/selftests/wireguard/qemu/arch/x86_64.config
+++ b/tools/testing/selftests/wireguard/qemu/arch/x86_64.config
@@ -1,3 +1,4 @@
+CONFIG_ACPI=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_CMDLINE_BOOL=y