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-rw-r--r--arch/riscv/Makefile1
-rw-r--r--arch/riscv/errata/andes/Makefile4
-rw-r--r--arch/riscv/include/asm/ftrace.h21
-rw-r--r--arch/riscv/include/asm/kprobes.h11
-rw-r--r--arch/riscv/include/asm/uprobes.h13
-rw-r--r--arch/riscv/kernel/irq.c4
-rw-r--r--arch/riscv/kernel/setup.c13
-rw-r--r--arch/riscv/kernel/signal.c7
-rw-r--r--arch/riscv/kernel/traps.c28
-rw-r--r--drivers/perf/riscv_pmu.c3
-rw-r--r--drivers/perf/riscv_pmu_sbi.c10
-rw-r--r--tools/testing/selftests/riscv/mm/Makefile6
-rw-r--r--tools/testing/selftests/riscv/mm/mmap_bottomup.c (renamed from tools/testing/selftests/riscv/mm/testcases/mmap_bottomup.c)2
-rw-r--r--tools/testing/selftests/riscv/mm/mmap_default.c (renamed from tools/testing/selftests/riscv/mm/testcases/mmap_default.c)2
-rw-r--r--tools/testing/selftests/riscv/mm/mmap_test.h (renamed from tools/testing/selftests/riscv/mm/testcases/mmap_test.h)0
-rwxr-xr-xtools/testing/selftests/riscv/mm/run_mmap.sh (renamed from tools/testing/selftests/riscv/mm/testcases/run_mmap.sh)0
16 files changed, 80 insertions, 45 deletions
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index 304b94446507..6dfa46123fd7 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -6,7 +6,6 @@
# for more details.
#
-OBJCOPYFLAGS := -O binary
LDFLAGS_vmlinux := -z norelro
ifeq ($(CONFIG_RELOCATABLE),y)
LDFLAGS_vmlinux += -shared -Bsymbolic -z notext --emit-relocs
diff --git a/arch/riscv/errata/andes/Makefile b/arch/riscv/errata/andes/Makefile
index 2d644e19caef..6278c389b801 100644
--- a/arch/riscv/errata/andes/Makefile
+++ b/arch/riscv/errata/andes/Makefile
@@ -1 +1,5 @@
+ifdef CONFIG_RISCV_ALTERNATIVE_EARLY
+CFLAGS_errata.o := -mcmodel=medany
+endif
+
obj-y += errata.o
diff --git a/arch/riscv/include/asm/ftrace.h b/arch/riscv/include/asm/ftrace.h
index 740a979171e5..2b2f5df7ef2c 100644
--- a/arch/riscv/include/asm/ftrace.h
+++ b/arch/riscv/include/asm/ftrace.h
@@ -31,6 +31,27 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr)
return addr;
}
+/*
+ * Let's do like x86/arm64 and ignore the compat syscalls.
+ */
+#define ARCH_TRACE_IGNORE_COMPAT_SYSCALLS
+static inline bool arch_trace_is_compat_syscall(struct pt_regs *regs)
+{
+ return is_compat_task();
+}
+
+#define ARCH_HAS_SYSCALL_MATCH_SYM_NAME
+static inline bool arch_syscall_match_sym_name(const char *sym,
+ const char *name)
+{
+ /*
+ * Since all syscall functions have __riscv_ prefix, we must skip it.
+ * However, as we described above, we decided to ignore compat
+ * syscalls, so we don't care about __riscv_compat_ prefix here.
+ */
+ return !strcmp(sym + 8, name);
+}
+
struct dyn_arch_ftrace {
};
#endif
diff --git a/arch/riscv/include/asm/kprobes.h b/arch/riscv/include/asm/kprobes.h
index e7882ccb0fd4..78ea44f76718 100644
--- a/arch/riscv/include/asm/kprobes.h
+++ b/arch/riscv/include/asm/kprobes.h
@@ -40,6 +40,15 @@ void arch_remove_kprobe(struct kprobe *p);
int kprobe_fault_handler(struct pt_regs *regs, unsigned int trapnr);
bool kprobe_breakpoint_handler(struct pt_regs *regs);
bool kprobe_single_step_handler(struct pt_regs *regs);
-
+#else
+static inline bool kprobe_breakpoint_handler(struct pt_regs *regs)
+{
+ return false;
+}
+
+static inline bool kprobe_single_step_handler(struct pt_regs *regs)
+{
+ return false;
+}
#endif /* CONFIG_KPROBES */
#endif /* _ASM_RISCV_KPROBES_H */
diff --git a/arch/riscv/include/asm/uprobes.h b/arch/riscv/include/asm/uprobes.h
index f2183e00fdd2..3fc7deda9190 100644
--- a/arch/riscv/include/asm/uprobes.h
+++ b/arch/riscv/include/asm/uprobes.h
@@ -34,7 +34,18 @@ struct arch_uprobe {
bool simulate;
};
+#ifdef CONFIG_UPROBES
bool uprobe_breakpoint_handler(struct pt_regs *regs);
bool uprobe_single_step_handler(struct pt_regs *regs);
-
+#else
+static inline bool uprobe_breakpoint_handler(struct pt_regs *regs)
+{
+ return false;
+}
+
+static inline bool uprobe_single_step_handler(struct pt_regs *regs)
+{
+ return false;
+}
+#endif /* CONFIG_UPROBES */
#endif /* _ASM_RISCV_UPROBES_H */
diff --git a/arch/riscv/kernel/irq.c b/arch/riscv/kernel/irq.c
index 7bfea97ee7e7..9ceda02507ca 100644
--- a/arch/riscv/kernel/irq.c
+++ b/arch/riscv/kernel/irq.c
@@ -79,7 +79,7 @@ static void init_irq_stacks(void)
}
#endif /* CONFIG_VMAP_STACK */
-#ifdef CONFIG_HAVE_SOFTIRQ_ON_OWN_STACK
+#ifdef CONFIG_SOFTIRQ_ON_OWN_STACK
static void ___do_softirq(struct pt_regs *regs)
{
__do_softirq();
@@ -92,7 +92,7 @@ void do_softirq_own_stack(void)
else
__do_softirq();
}
-#endif /* CONFIG_HAVE_SOFTIRQ_ON_OWN_STACK */
+#endif /* CONFIG_SOFTIRQ_ON_OWN_STACK */
#else
static void init_irq_scs(void) {}
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index 8fd6c02353d4..2a79d4ed2660 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -174,19 +174,6 @@ static void __init init_resources(void)
if (ret < 0)
goto error;
-#ifdef CONFIG_KEXEC_CORE
- if (crashk_res.start != crashk_res.end) {
- ret = add_resource(&iomem_resource, &crashk_res);
- if (ret < 0)
- goto error;
- }
- if (crashk_low_res.start != crashk_low_res.end) {
- ret = add_resource(&iomem_resource, &crashk_low_res);
- if (ret < 0)
- goto error;
- }
-#endif
-
#ifdef CONFIG_CRASH_DUMP
if (elfcorehdr_size > 0) {
elfcorehdr_res.start = elfcorehdr_addr;
diff --git a/arch/riscv/kernel/signal.c b/arch/riscv/kernel/signal.c
index d2d7169048ea..88b6220b2608 100644
--- a/arch/riscv/kernel/signal.c
+++ b/arch/riscv/kernel/signal.c
@@ -311,13 +311,6 @@ static inline void __user *get_sigframe(struct ksignal *ksig,
/* Align the stack frame. */
sp &= ~0xfUL;
- /*
- * Fail if the size of the altstack is not large enough for the
- * sigframe construction.
- */
- if (current->sas_ss_size && sp < current->sas_ss_sp)
- return (void __user __force *)-1UL;
-
return (void __user *)sp;
}
diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c
index 141036d06015..a1b9be3c4332 100644
--- a/arch/riscv/kernel/traps.c
+++ b/arch/riscv/kernel/traps.c
@@ -13,6 +13,8 @@
#include <linux/kdebug.h>
#include <linux/uaccess.h>
#include <linux/kprobes.h>
+#include <linux/uprobes.h>
+#include <asm/uprobes.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/irq.h>
@@ -253,22 +255,28 @@ static inline unsigned long get_break_insn_length(unsigned long pc)
return GET_INSN_LENGTH(insn);
}
+static bool probe_single_step_handler(struct pt_regs *regs)
+{
+ bool user = user_mode(regs);
+
+ return user ? uprobe_single_step_handler(regs) : kprobe_single_step_handler(regs);
+}
+
+static bool probe_breakpoint_handler(struct pt_regs *regs)
+{
+ bool user = user_mode(regs);
+
+ return user ? uprobe_breakpoint_handler(regs) : kprobe_breakpoint_handler(regs);
+}
+
void handle_break(struct pt_regs *regs)
{
-#ifdef CONFIG_KPROBES
- if (kprobe_single_step_handler(regs))
+ if (probe_single_step_handler(regs))
return;
- if (kprobe_breakpoint_handler(regs))
- return;
-#endif
-#ifdef CONFIG_UPROBES
- if (uprobe_single_step_handler(regs))
+ if (probe_breakpoint_handler(regs))
return;
- if (uprobe_breakpoint_handler(regs))
- return;
-#endif
current->thread.bad_cause = regs->cause;
if (user_mode(regs))
diff --git a/drivers/perf/riscv_pmu.c b/drivers/perf/riscv_pmu.c
index 1f9a35f724f5..0dda70e1ef90 100644
--- a/drivers/perf/riscv_pmu.c
+++ b/drivers/perf/riscv_pmu.c
@@ -23,7 +23,8 @@ static bool riscv_perf_user_access(struct perf_event *event)
return ((event->attr.type == PERF_TYPE_HARDWARE) ||
(event->attr.type == PERF_TYPE_HW_CACHE) ||
(event->attr.type == PERF_TYPE_RAW)) &&
- !!(event->hw.flags & PERF_EVENT_FLAG_USER_READ_CNT);
+ !!(event->hw.flags & PERF_EVENT_FLAG_USER_READ_CNT) &&
+ (event->hw.idx != -1);
}
void arch_perf_update_userpage(struct perf_event *event,
diff --git a/drivers/perf/riscv_pmu_sbi.c b/drivers/perf/riscv_pmu_sbi.c
index 0b5053152ee6..cd8a2b9efd78 100644
--- a/drivers/perf/riscv_pmu_sbi.c
+++ b/drivers/perf/riscv_pmu_sbi.c
@@ -510,16 +510,18 @@ static void pmu_sbi_set_scounteren(void *arg)
{
struct perf_event *event = (struct perf_event *)arg;
- csr_write(CSR_SCOUNTEREN,
- csr_read(CSR_SCOUNTEREN) | (1 << pmu_sbi_csr_index(event)));
+ if (event->hw.idx != -1)
+ csr_write(CSR_SCOUNTEREN,
+ csr_read(CSR_SCOUNTEREN) | (1 << pmu_sbi_csr_index(event)));
}
static void pmu_sbi_reset_scounteren(void *arg)
{
struct perf_event *event = (struct perf_event *)arg;
- csr_write(CSR_SCOUNTEREN,
- csr_read(CSR_SCOUNTEREN) & ~(1 << pmu_sbi_csr_index(event)));
+ if (event->hw.idx != -1)
+ csr_write(CSR_SCOUNTEREN,
+ csr_read(CSR_SCOUNTEREN) & ~(1 << pmu_sbi_csr_index(event)));
}
static void pmu_sbi_ctr_start(struct perf_event *event, u64 ival)
diff --git a/tools/testing/selftests/riscv/mm/Makefile b/tools/testing/selftests/riscv/mm/Makefile
index 11e0f0568923..c333263f2b27 100644
--- a/tools/testing/selftests/riscv/mm/Makefile
+++ b/tools/testing/selftests/riscv/mm/Makefile
@@ -5,11 +5,11 @@
# Additional include paths needed by kselftest.h and local headers
CFLAGS += -D_GNU_SOURCE -std=gnu99 -I.
-TEST_GEN_FILES := testcases/mmap_default testcases/mmap_bottomup
+TEST_GEN_FILES := mmap_default mmap_bottomup
-TEST_PROGS := testcases/run_mmap.sh
+TEST_PROGS := run_mmap.sh
include ../../lib.mk
-$(OUTPUT)/mm: testcases/mmap_default.c testcases/mmap_bottomup.c testcases/mmap_tests.h
+$(OUTPUT)/mm: mmap_default.c mmap_bottomup.c mmap_tests.h
$(CC) -o$@ $(CFLAGS) $(LDFLAGS) $^
diff --git a/tools/testing/selftests/riscv/mm/testcases/mmap_bottomup.c b/tools/testing/selftests/riscv/mm/mmap_bottomup.c
index b29379f7e478..1757d19ca89b 100644
--- a/tools/testing/selftests/riscv/mm/testcases/mmap_bottomup.c
+++ b/tools/testing/selftests/riscv/mm/mmap_bottomup.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
#include <sys/mman.h>
-#include <testcases/mmap_test.h>
+#include <mmap_test.h>
#include "../../kselftest_harness.h"
diff --git a/tools/testing/selftests/riscv/mm/testcases/mmap_default.c b/tools/testing/selftests/riscv/mm/mmap_default.c
index d1accb91b726..c63c60b9397e 100644
--- a/tools/testing/selftests/riscv/mm/testcases/mmap_default.c
+++ b/tools/testing/selftests/riscv/mm/mmap_default.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
#include <sys/mman.h>
-#include <testcases/mmap_test.h>
+#include <mmap_test.h>
#include "../../kselftest_harness.h"
diff --git a/tools/testing/selftests/riscv/mm/testcases/mmap_test.h b/tools/testing/selftests/riscv/mm/mmap_test.h
index 9b8434f62f57..9b8434f62f57 100644
--- a/tools/testing/selftests/riscv/mm/testcases/mmap_test.h
+++ b/tools/testing/selftests/riscv/mm/mmap_test.h
diff --git a/tools/testing/selftests/riscv/mm/testcases/run_mmap.sh b/tools/testing/selftests/riscv/mm/run_mmap.sh
index ca5ad7c48bad..ca5ad7c48bad 100755
--- a/tools/testing/selftests/riscv/mm/testcases/run_mmap.sh
+++ b/tools/testing/selftests/riscv/mm/run_mmap.sh