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-rw-r--r--tools/testing/selftests/bpf/config10
-rwxr-xr-xtools/testing/selftests/bpf/test_offload.py12
-rwxr-xr-xtools/testing/selftests/bpf/test_tunnel.sh26
-rw-r--r--tools/testing/selftests/net/.gitignore1
-rw-r--r--tools/testing/selftests/net/config2
-rwxr-xr-xtools/testing/selftests/pstore/pstore_post_reboot_tests5
-rw-r--r--tools/testing/selftests/rseq/param_test.c24
-rw-r--r--tools/testing/selftests/rseq/rseq-arm.h1
-rw-r--r--tools/testing/selftests/rseq/rseq-mips.h725
-rw-r--r--tools/testing/selftests/rseq/rseq.h2
-rwxr-xr-x[-rw-r--r--]tools/testing/selftests/rseq/run_param_test.sh0
-rw-r--r--tools/testing/selftests/sparc64/Makefile20
-rw-r--r--tools/testing/selftests/sparc64/drivers/Makefile2
-rwxr-xr-xtools/testing/selftests/static_keys/test_static_keys.sh13
-rw-r--r--tools/testing/selftests/sync/config4
-rwxr-xr-xtools/testing/selftests/sysctl/sysctl.sh20
-rwxr-xr-xtools/testing/selftests/user/test_user_copy.sh7
-rw-r--r--tools/testing/selftests/vm/compaction_test.c4
-rw-r--r--tools/testing/selftests/vm/mlock2-tests.c12
-rwxr-xr-xtools/testing/selftests/vm/run_vmtests5
-rw-r--r--tools/testing/selftests/vm/userfaultfd.c4
-rw-r--r--tools/testing/selftests/x86/sigreturn.c59
-rwxr-xr-xtools/testing/selftests/zram/zram.sh5
-rwxr-xr-xtools/testing/selftests/zram/zram_lib.sh5
24 files changed, 904 insertions, 64 deletions
diff --git a/tools/testing/selftests/bpf/config b/tools/testing/selftests/bpf/config
index 1eefe211a4a8..7eb613ffef55 100644
--- a/tools/testing/selftests/bpf/config
+++ b/tools/testing/selftests/bpf/config
@@ -7,3 +7,13 @@ CONFIG_CGROUP_BPF=y
CONFIG_NETDEVSIM=m
CONFIG_NET_CLS_ACT=y
CONFIG_NET_SCH_INGRESS=y
+CONFIG_NET_IPIP=y
+CONFIG_IPV6=y
+CONFIG_NET_IPGRE_DEMUX=y
+CONFIG_NET_IPGRE=y
+CONFIG_IPV6_GRE=y
+CONFIG_CRYPTO_USER_API_HASH=m
+CONFIG_CRYPTO_HMAC=m
+CONFIG_CRYPTO_SHA256=m
+CONFIG_VXLAN=y
+CONFIG_GENEVE=y
diff --git a/tools/testing/selftests/bpf/test_offload.py b/tools/testing/selftests/bpf/test_offload.py
index e78aad0a68bb..be800d0e7a84 100755
--- a/tools/testing/selftests/bpf/test_offload.py
+++ b/tools/testing/selftests/bpf/test_offload.py
@@ -163,6 +163,10 @@ def bpftool(args, JSON=True, ns="", fail=True):
def bpftool_prog_list(expected=None, ns=""):
_, progs = bpftool("prog show", JSON=True, ns=ns, fail=True)
+ # Remove the base progs
+ for p in base_progs:
+ if p in progs:
+ progs.remove(p)
if expected is not None:
if len(progs) != expected:
fail(True, "%d BPF programs loaded, expected %d" %
@@ -171,6 +175,10 @@ def bpftool_prog_list(expected=None, ns=""):
def bpftool_map_list(expected=None, ns=""):
_, maps = bpftool("map show", JSON=True, ns=ns, fail=True)
+ # Remove the base maps
+ for m in base_maps:
+ if m in maps:
+ maps.remove(m)
if expected is not None:
if len(maps) != expected:
fail(True, "%d BPF maps loaded, expected %d" %
@@ -585,8 +593,8 @@ skip(os.getuid() != 0, "test must be run as root")
# Check tools
ret, progs = bpftool("prog", fail=False)
skip(ret != 0, "bpftool not installed")
-# Check no BPF programs are loaded
-skip(len(progs) != 0, "BPF programs already loaded on the system")
+base_progs = progs
+_, base_maps = bpftool("map")
# Check netdevsim
ret, out = cmd("modprobe netdevsim", fail=False)
diff --git a/tools/testing/selftests/bpf/test_tunnel.sh b/tools/testing/selftests/bpf/test_tunnel.sh
index aeb2901f21f4..546aee3e9fb4 100755
--- a/tools/testing/selftests/bpf/test_tunnel.sh
+++ b/tools/testing/selftests/bpf/test_tunnel.sh
@@ -608,28 +608,26 @@ setup_xfrm_tunnel()
test_xfrm_tunnel()
{
config_device
- #tcpdump -nei veth1 ip &
- output=$(mktemp)
- cat /sys/kernel/debug/tracing/trace_pipe | tee $output &
- setup_xfrm_tunnel
+ > /sys/kernel/debug/tracing/trace
+ setup_xfrm_tunnel
tc qdisc add dev veth1 clsact
tc filter add dev veth1 proto ip ingress bpf da obj test_tunnel_kern.o \
sec xfrm_get_state
ip netns exec at_ns0 ping $PING_ARG 10.1.1.200
sleep 1
- grep "reqid 1" $output
+ grep "reqid 1" /sys/kernel/debug/tracing/trace
check_err $?
- grep "spi 0x1" $output
+ grep "spi 0x1" /sys/kernel/debug/tracing/trace
check_err $?
- grep "remote ip 0xac100164" $output
+ grep "remote ip 0xac100164" /sys/kernel/debug/tracing/trace
check_err $?
cleanup
if [ $ret -ne 0 ]; then
- echo -e ${RED}"FAIL: xfrm tunnel"${NC}
- return 1
- fi
- echo -e ${GREEN}"PASS: xfrm tunnel"${NC}
+ echo -e ${RED}"FAIL: xfrm tunnel"${NC}
+ return 1
+ fi
+ echo -e ${GREEN}"PASS: xfrm tunnel"${NC}
}
attach_bpf()
@@ -657,6 +655,10 @@ cleanup()
ip link del ip6geneve11 2> /dev/null
ip link del erspan11 2> /dev/null
ip link del ip6erspan11 2> /dev/null
+ ip xfrm policy delete dir out src 10.1.1.200/32 dst 10.1.1.100/32 2> /dev/null
+ ip xfrm policy delete dir in src 10.1.1.100/32 dst 10.1.1.200/32 2> /dev/null
+ ip xfrm state delete src 172.16.1.100 dst 172.16.1.200 proto esp spi 0x1 2> /dev/null
+ ip xfrm state delete src 172.16.1.200 dst 172.16.1.100 proto esp spi 0x2 2> /dev/null
}
cleanup_exit()
@@ -668,7 +670,7 @@ cleanup_exit()
check()
{
- ip link help $1 2>&1 | grep -q "^Usage:"
+ ip link help 2>&1 | grep -q "\s$1\s"
if [ $? -ne 0 ];then
echo "SKIP $1: iproute2 not support"
cleanup
diff --git a/tools/testing/selftests/net/.gitignore b/tools/testing/selftests/net/.gitignore
index 128e548aa377..1a0ac3a29ec5 100644
--- a/tools/testing/selftests/net/.gitignore
+++ b/tools/testing/selftests/net/.gitignore
@@ -12,3 +12,4 @@ tcp_mmap
udpgso
udpgso_bench_rx
udpgso_bench_tx
+tcp_inq
diff --git a/tools/testing/selftests/net/config b/tools/testing/selftests/net/config
index 7ba089b33e8b..cd3a2f1545b5 100644
--- a/tools/testing/selftests/net/config
+++ b/tools/testing/selftests/net/config
@@ -12,3 +12,5 @@ CONFIG_NET_IPVTI=y
CONFIG_INET6_XFRM_MODE_TUNNEL=y
CONFIG_IPV6_VTI=y
CONFIG_DUMMY=y
+CONFIG_BRIDGE=y
+CONFIG_VLAN_8021Q=y
diff --git a/tools/testing/selftests/pstore/pstore_post_reboot_tests b/tools/testing/selftests/pstore/pstore_post_reboot_tests
index 6ccb154cb4aa..22f8df1ad7d4 100755
--- a/tools/testing/selftests/pstore/pstore_post_reboot_tests
+++ b/tools/testing/selftests/pstore/pstore_post_reboot_tests
@@ -7,13 +7,16 @@
#
# Released under the terms of the GPL v2.
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
. ./common_tests
if [ -e $REBOOT_FLAG ]; then
rm $REBOOT_FLAG
else
prlog "pstore_crash_test has not been executed yet. we skip further tests."
- exit 0
+ exit $ksft_skip
fi
prlog -n "Mounting pstore filesystem ... "
diff --git a/tools/testing/selftests/rseq/param_test.c b/tools/testing/selftests/rseq/param_test.c
index 6a9f602a8718..615252331813 100644
--- a/tools/testing/selftests/rseq/param_test.c
+++ b/tools/testing/selftests/rseq/param_test.c
@@ -137,6 +137,30 @@ unsigned int yield_mod_cnt, nr_abort;
"subic. %%" INJECT_ASM_REG ", %%" INJECT_ASM_REG ", 1\n\t" \
"bne 222b\n\t" \
"333:\n\t"
+
+#elif defined(__mips__)
+
+#define RSEQ_INJECT_INPUT \
+ , [loop_cnt_1]"m"(loop_cnt[1]) \
+ , [loop_cnt_2]"m"(loop_cnt[2]) \
+ , [loop_cnt_3]"m"(loop_cnt[3]) \
+ , [loop_cnt_4]"m"(loop_cnt[4]) \
+ , [loop_cnt_5]"m"(loop_cnt[5]) \
+ , [loop_cnt_6]"m"(loop_cnt[6])
+
+#define INJECT_ASM_REG "$5"
+
+#define RSEQ_INJECT_CLOBBER \
+ , INJECT_ASM_REG
+
+#define RSEQ_INJECT_ASM(n) \
+ "lw " INJECT_ASM_REG ", %[loop_cnt_" #n "]\n\t" \
+ "beqz " INJECT_ASM_REG ", 333f\n\t" \
+ "222:\n\t" \
+ "addiu " INJECT_ASM_REG ", -1\n\t" \
+ "bnez " INJECT_ASM_REG ", 222b\n\t" \
+ "333:\n\t"
+
#else
#error unsupported target
#endif
diff --git a/tools/testing/selftests/rseq/rseq-arm.h b/tools/testing/selftests/rseq/rseq-arm.h
index 3b055f9aeaab..3cea19877227 100644
--- a/tools/testing/selftests/rseq/rseq-arm.h
+++ b/tools/testing/selftests/rseq/rseq-arm.h
@@ -57,6 +57,7 @@ do { \
#define __RSEQ_ASM_DEFINE_ABORT(table_label, label, teardown, \
abort_label, version, flags, \
start_ip, post_commit_offset, abort_ip) \
+ ".balign 32\n\t" \
__rseq_str(table_label) ":\n\t" \
".word " __rseq_str(version) ", " __rseq_str(flags) "\n\t" \
".word " __rseq_str(start_ip) ", 0x0, " __rseq_str(post_commit_offset) ", 0x0, " __rseq_str(abort_ip) ", 0x0\n\t" \
diff --git a/tools/testing/selftests/rseq/rseq-mips.h b/tools/testing/selftests/rseq/rseq-mips.h
new file mode 100644
index 000000000000..7f48ecf46994
--- /dev/null
+++ b/tools/testing/selftests/rseq/rseq-mips.h
@@ -0,0 +1,725 @@
+/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
+/*
+ * Author: Paul Burton <paul.burton@mips.com>
+ * (C) Copyright 2018 MIPS Tech LLC
+ *
+ * Based on rseq-arm.h:
+ * (C) Copyright 2016-2018 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ */
+
+#define RSEQ_SIG 0x53053053
+
+#define rseq_smp_mb() __asm__ __volatile__ ("sync" ::: "memory")
+#define rseq_smp_rmb() rseq_smp_mb()
+#define rseq_smp_wmb() rseq_smp_mb()
+
+#define rseq_smp_load_acquire(p) \
+__extension__ ({ \
+ __typeof(*p) ____p1 = RSEQ_READ_ONCE(*p); \
+ rseq_smp_mb(); \
+ ____p1; \
+})
+
+#define rseq_smp_acquire__after_ctrl_dep() rseq_smp_rmb()
+
+#define rseq_smp_store_release(p, v) \
+do { \
+ rseq_smp_mb(); \
+ RSEQ_WRITE_ONCE(*p, v); \
+} while (0)
+
+#ifdef RSEQ_SKIP_FASTPATH
+#include "rseq-skip.h"
+#else /* !RSEQ_SKIP_FASTPATH */
+
+#if _MIPS_SZLONG == 64
+# define LONG ".dword"
+# define LONG_LA "dla"
+# define LONG_L "ld"
+# define LONG_S "sd"
+# define LONG_ADDI "daddiu"
+# define U32_U64_PAD(x) x
+#elif _MIPS_SZLONG == 32
+# define LONG ".word"
+# define LONG_LA "la"
+# define LONG_L "lw"
+# define LONG_S "sw"
+# define LONG_ADDI "addiu"
+# ifdef __BIG_ENDIAN
+# define U32_U64_PAD(x) "0x0, " x
+# else
+# define U32_U64_PAD(x) x ", 0x0"
+# endif
+#else
+# error unsupported _MIPS_SZLONG
+#endif
+
+#define __RSEQ_ASM_DEFINE_TABLE(version, flags, start_ip, \
+ post_commit_offset, abort_ip) \
+ ".pushsection __rseq_table, \"aw\"\n\t" \
+ ".balign 32\n\t" \
+ ".word " __rseq_str(version) ", " __rseq_str(flags) "\n\t" \
+ LONG " " U32_U64_PAD(__rseq_str(start_ip)) "\n\t" \
+ LONG " " U32_U64_PAD(__rseq_str(post_commit_offset)) "\n\t" \
+ LONG " " U32_U64_PAD(__rseq_str(abort_ip)) "\n\t" \
+ ".popsection\n\t"
+
+#define RSEQ_ASM_DEFINE_TABLE(start_ip, post_commit_ip, abort_ip) \
+ __RSEQ_ASM_DEFINE_TABLE(0x0, 0x0, start_ip, \
+ (post_commit_ip - start_ip), abort_ip)
+
+#define RSEQ_ASM_STORE_RSEQ_CS(label, cs_label, rseq_cs) \
+ RSEQ_INJECT_ASM(1) \
+ LONG_LA " $4, " __rseq_str(cs_label) "\n\t" \
+ LONG_S " $4, %[" __rseq_str(rseq_cs) "]\n\t" \
+ __rseq_str(label) ":\n\t"
+
+#define RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, label) \
+ RSEQ_INJECT_ASM(2) \
+ "lw $4, %[" __rseq_str(current_cpu_id) "]\n\t" \
+ "bne $4, %[" __rseq_str(cpu_id) "], " __rseq_str(label) "\n\t"
+
+#define __RSEQ_ASM_DEFINE_ABORT(table_label, label, teardown, \
+ abort_label, version, flags, \
+ start_ip, post_commit_offset, abort_ip) \
+ ".balign 32\n\t" \
+ __rseq_str(table_label) ":\n\t" \
+ ".word " __rseq_str(version) ", " __rseq_str(flags) "\n\t" \
+ LONG " " U32_U64_PAD(__rseq_str(start_ip)) "\n\t" \
+ LONG " " U32_U64_PAD(__rseq_str(post_commit_offset)) "\n\t" \
+ LONG " " U32_U64_PAD(__rseq_str(abort_ip)) "\n\t" \
+ ".word " __rseq_str(RSEQ_SIG) "\n\t" \
+ __rseq_str(label) ":\n\t" \
+ teardown \
+ "b %l[" __rseq_str(abort_label) "]\n\t"
+
+#define RSEQ_ASM_DEFINE_ABORT(table_label, label, teardown, abort_label, \
+ start_ip, post_commit_ip, abort_ip) \
+ __RSEQ_ASM_DEFINE_ABORT(table_label, label, teardown, \
+ abort_label, 0x0, 0x0, start_ip, \
+ (post_commit_ip - start_ip), abort_ip)
+
+#define RSEQ_ASM_DEFINE_CMPFAIL(label, teardown, cmpfail_label) \
+ __rseq_str(label) ":\n\t" \
+ teardown \
+ "b %l[" __rseq_str(cmpfail_label) "]\n\t"
+
+#define rseq_workaround_gcc_asm_size_guess() __asm__ __volatile__("")
+
+static inline __attribute__((always_inline))
+int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
+{
+ RSEQ_INJECT_C(9)
+
+ rseq_workaround_gcc_asm_size_guess();
+ __asm__ __volatile__ goto (
+ RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ /* Start rseq by storing table entry pointer into rseq_cs. */
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_INJECT_ASM(3)
+ LONG_L " $4, %[v]\n\t"
+ "bne $4, %[expect], %l[cmpfail]\n\t"
+ RSEQ_INJECT_ASM(4)
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ LONG_L " $4, %[v]\n\t"
+ "bne $4, %[expect], %l[error2]\n\t"
+#endif
+ /* final store */
+ LONG_S " %[newv], %[v]\n\t"
+ "2:\n\t"
+ RSEQ_INJECT_ASM(5)
+ "b 5f\n\t"
+ RSEQ_ASM_DEFINE_ABORT(3, 4, "", abort, 1b, 2b, 4f)
+ "5:\n\t"
+ : /* gcc asm goto does not allow outputs */
+ : [cpu_id] "r" (cpu),
+ [current_cpu_id] "m" (__rseq_abi.cpu_id),
+ [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [v] "m" (*v),
+ [expect] "r" (expect),
+ [newv] "r" (newv)
+ RSEQ_INJECT_INPUT
+ : "$4", "memory"
+ RSEQ_INJECT_CLOBBER
+ : abort, cmpfail
+#ifdef RSEQ_COMPARE_TWICE
+ , error1, error2
+#endif
+ );
+ rseq_workaround_gcc_asm_size_guess();
+ return 0;
+abort:
+ rseq_workaround_gcc_asm_size_guess();
+ RSEQ_INJECT_FAILED
+ return -1;
+cmpfail:
+ rseq_workaround_gcc_asm_size_guess();
+ return 1;
+#ifdef RSEQ_COMPARE_TWICE
+error1:
+ rseq_bug("cpu_id comparison failed");
+error2:
+ rseq_bug("expected value comparison failed");
+#endif
+}
+
+static inline __attribute__((always_inline))
+int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
+ off_t voffp, intptr_t *load, int cpu)
+{
+ RSEQ_INJECT_C(9)
+
+ rseq_workaround_gcc_asm_size_guess();
+ __asm__ __volatile__ goto (
+ RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ /* Start rseq by storing table entry pointer into rseq_cs. */
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_INJECT_ASM(3)
+ LONG_L " $4, %[v]\n\t"
+ "beq $4, %[expectnot], %l[cmpfail]\n\t"
+ RSEQ_INJECT_ASM(4)
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ LONG_L " $4, %[v]\n\t"
+ "beq $4, %[expectnot], %l[error2]\n\t"
+#endif
+ LONG_S " $4, %[load]\n\t"
+ LONG_ADDI " $4, %[voffp]\n\t"
+ LONG_L " $4, 0($4)\n\t"
+ /* final store */
+ LONG_S " $4, %[v]\n\t"
+ "2:\n\t"
+ RSEQ_INJECT_ASM(5)
+ "b 5f\n\t"
+ RSEQ_ASM_DEFINE_ABORT(3, 4, "", abort, 1b, 2b, 4f)
+ "5:\n\t"
+ : /* gcc asm goto does not allow outputs */
+ : [cpu_id] "r" (cpu),
+ [current_cpu_id] "m" (__rseq_abi.cpu_id),
+ [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ /* final store input */
+ [v] "m" (*v),
+ [expectnot] "r" (expectnot),
+ [voffp] "Ir" (voffp),
+ [load] "m" (*load)
+ RSEQ_INJECT_INPUT
+ : "$4", "memory"
+ RSEQ_INJECT_CLOBBER
+ : abort, cmpfail
+#ifdef RSEQ_COMPARE_TWICE
+ , error1, error2
+#endif
+ );
+ rseq_workaround_gcc_asm_size_guess();
+ return 0;
+abort:
+ rseq_workaround_gcc_asm_size_guess();
+ RSEQ_INJECT_FAILED
+ return -1;
+cmpfail:
+ rseq_workaround_gcc_asm_size_guess();
+ return 1;
+#ifdef RSEQ_COMPARE_TWICE
+error1:
+ rseq_bug("cpu_id comparison failed");
+error2:
+ rseq_bug("expected value comparison failed");
+#endif
+}
+
+static inline __attribute__((always_inline))
+int rseq_addv(intptr_t *v, intptr_t count, int cpu)
+{
+ RSEQ_INJECT_C(9)
+
+ rseq_workaround_gcc_asm_size_guess();
+ __asm__ __volatile__ goto (
+ RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ /* Start rseq by storing table entry pointer into rseq_cs. */
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_INJECT_ASM(3)
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+#endif
+ LONG_L " $4, %[v]\n\t"
+ LONG_ADDI " $4, %[count]\n\t"
+ /* final store */
+ LONG_S " $4, %[v]\n\t"
+ "2:\n\t"
+ RSEQ_INJECT_ASM(4)
+ "b 5f\n\t"
+ RSEQ_ASM_DEFINE_ABORT(3, 4, "", abort, 1b, 2b, 4f)
+ "5:\n\t"
+ : /* gcc asm goto does not allow outputs */
+ : [cpu_id] "r" (cpu),
+ [current_cpu_id] "m" (__rseq_abi.cpu_id),
+ [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [v] "m" (*v),
+ [count] "Ir" (count)
+ RSEQ_INJECT_INPUT
+ : "$4", "memory"
+ RSEQ_INJECT_CLOBBER
+ : abort
+#ifdef RSEQ_COMPARE_TWICE
+ , error1
+#endif
+ );
+ rseq_workaround_gcc_asm_size_guess();
+ return 0;
+abort:
+ rseq_workaround_gcc_asm_size_guess();
+ RSEQ_INJECT_FAILED
+ return -1;
+#ifdef RSEQ_COMPARE_TWICE
+error1:
+ rseq_bug("cpu_id comparison failed");
+#endif
+}
+
+static inline __attribute__((always_inline))
+int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
+ intptr_t *v2, intptr_t newv2,
+ intptr_t newv, int cpu)
+{
+ RSEQ_INJECT_C(9)
+
+ rseq_workaround_gcc_asm_size_guess();
+ __asm__ __volatile__ goto (
+ RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ /* Start rseq by storing table entry pointer into rseq_cs. */
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_INJECT_ASM(3)
+ LONG_L " $4, %[v]\n\t"
+ "bne $4, %[expect], %l[cmpfail]\n\t"
+ RSEQ_INJECT_ASM(4)
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ LONG_L " $4, %[v]\n\t"
+ "bne $4, %[expect], %l[error2]\n\t"
+#endif
+ /* try store */
+ LONG_S " %[newv2], %[v2]\n\t"
+ RSEQ_INJECT_ASM(5)
+ /* final store */
+ LONG_S " %[newv], %[v]\n\t"
+ "2:\n\t"
+ RSEQ_INJECT_ASM(6)
+ "b 5f\n\t"
+ RSEQ_ASM_DEFINE_ABORT(3, 4, "", abort, 1b, 2b, 4f)
+ "5:\n\t"
+ : /* gcc asm goto does not allow outputs */
+ : [cpu_id] "r" (cpu),
+ [current_cpu_id] "m" (__rseq_abi.cpu_id),
+ [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ /* try store input */
+ [v2] "m" (*v2),
+ [newv2] "r" (newv2),
+ /* final store input */
+ [v] "m" (*v),
+ [expect] "r" (expect),
+ [newv] "r" (newv)
+ RSEQ_INJECT_INPUT
+ : "$4", "memory"
+ RSEQ_INJECT_CLOBBER
+ : abort, cmpfail
+#ifdef RSEQ_COMPARE_TWICE
+ , error1, error2
+#endif
+ );
+ rseq_workaround_gcc_asm_size_guess();
+ return 0;
+abort:
+ rseq_workaround_gcc_asm_size_guess();
+ RSEQ_INJECT_FAILED
+ return -1;
+cmpfail:
+ rseq_workaround_gcc_asm_size_guess();
+ return 1;
+#ifdef RSEQ_COMPARE_TWICE
+error1:
+ rseq_bug("cpu_id comparison failed");
+error2:
+ rseq_bug("expected value comparison failed");
+#endif
+}
+
+static inline __attribute__((always_inline))
+int rseq_cmpeqv_trystorev_storev_release(intptr_t *v, intptr_t expect,
+ intptr_t *v2, intptr_t newv2,
+ intptr_t newv, int cpu)
+{
+ RSEQ_INJECT_C(9)
+
+ rseq_workaround_gcc_asm_size_guess();
+ __asm__ __volatile__ goto (
+ RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ /* Start rseq by storing table entry pointer into rseq_cs. */
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_INJECT_ASM(3)
+ LONG_L " $4, %[v]\n\t"
+ "bne $4, %[expect], %l[cmpfail]\n\t"
+ RSEQ_INJECT_ASM(4)
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ LONG_L " $4, %[v]\n\t"
+ "bne $4, %[expect], %l[error2]\n\t"
+#endif
+ /* try store */
+ LONG_S " %[newv2], %[v2]\n\t"
+ RSEQ_INJECT_ASM(5)
+ "sync\n\t" /* full sync provides store-release */
+ /* final store */
+ LONG_S " %[newv], %[v]\n\t"
+ "2:\n\t"
+ RSEQ_INJECT_ASM(6)
+ "b 5f\n\t"
+ RSEQ_ASM_DEFINE_ABORT(3, 4, "", abort, 1b, 2b, 4f)
+ "5:\n\t"
+ : /* gcc asm goto does not allow outputs */
+ : [cpu_id] "r" (cpu),
+ [current_cpu_id] "m" (__rseq_abi.cpu_id),
+ [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ /* try store input */
+ [v2] "m" (*v2),
+ [newv2] "r" (newv2),
+ /* final store input */
+ [v] "m" (*v),
+ [expect] "r" (expect),
+ [newv] "r" (newv)
+ RSEQ_INJECT_INPUT
+ : "$4", "memory"
+ RSEQ_INJECT_CLOBBER
+ : abort, cmpfail
+#ifdef RSEQ_COMPARE_TWICE
+ , error1, error2
+#endif
+ );
+ rseq_workaround_gcc_asm_size_guess();
+ return 0;
+abort:
+ rseq_workaround_gcc_asm_size_guess();
+ RSEQ_INJECT_FAILED
+ return -1;
+cmpfail:
+ rseq_workaround_gcc_asm_size_guess();
+ return 1;
+#ifdef RSEQ_COMPARE_TWICE
+error1:
+ rseq_bug("cpu_id comparison failed");
+error2:
+ rseq_bug("expected value comparison failed");
+#endif
+}
+
+static inline __attribute__((always_inline))
+int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
+ intptr_t *v2, intptr_t expect2,
+ intptr_t newv, int cpu)
+{
+ RSEQ_INJECT_C(9)
+
+ rseq_workaround_gcc_asm_size_guess();
+ __asm__ __volatile__ goto (
+ RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ /* Start rseq by storing table entry pointer into rseq_cs. */
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_INJECT_ASM(3)
+ LONG_L " $4, %[v]\n\t"
+ "bne $4, %[expect], %l[cmpfail]\n\t"
+ RSEQ_INJECT_ASM(4)
+ LONG_L " $4, %[v2]\n\t"
+ "bne $4, %[expect2], %l[cmpfail]\n\t"
+ RSEQ_INJECT_ASM(5)
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ LONG_L " $4, %[v]\n\t"
+ "bne $4, %[expect], %l[error2]\n\t"
+ LONG_L " $4, %[v2]\n\t"
+ "bne $4, %[expect2], %l[error3]\n\t"
+#endif
+ /* final store */
+ LONG_S " %[newv], %[v]\n\t"
+ "2:\n\t"
+ RSEQ_INJECT_ASM(6)
+ "b 5f\n\t"
+ RSEQ_ASM_DEFINE_ABORT(3, 4, "", abort, 1b, 2b, 4f)
+ "5:\n\t"
+ : /* gcc asm goto does not allow outputs */
+ : [cpu_id] "r" (cpu),
+ [current_cpu_id] "m" (__rseq_abi.cpu_id),
+ [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ /* cmp2 input */
+ [v2] "m" (*v2),
+ [expect2] "r" (expect2),
+ /* final store input */
+ [v] "m" (*v),
+ [expect] "r" (expect),
+ [newv] "r" (newv)
+ RSEQ_INJECT_INPUT
+ : "$4", "memory"
+ RSEQ_INJECT_CLOBBER
+ : abort, cmpfail
+#ifdef RSEQ_COMPARE_TWICE
+ , error1, error2, error3
+#endif
+ );
+ rseq_workaround_gcc_asm_size_guess();
+ return 0;
+abort:
+ rseq_workaround_gcc_asm_size_guess();
+ RSEQ_INJECT_FAILED
+ return -1;
+cmpfail:
+ rseq_workaround_gcc_asm_size_guess();
+ return 1;
+#ifdef RSEQ_COMPARE_TWICE
+error1:
+ rseq_bug("cpu_id comparison failed");
+error2:
+ rseq_bug("1st expected value comparison failed");
+error3:
+ rseq_bug("2nd expected value comparison failed");
+#endif
+}
+
+static inline __attribute__((always_inline))
+int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
+ void *dst, void *src, size_t len,
+ intptr_t newv, int cpu)
+{
+ uintptr_t rseq_scratch[3];
+
+ RSEQ_INJECT_C(9)
+
+ rseq_workaround_gcc_asm_size_guess();
+ __asm__ __volatile__ goto (
+ RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ LONG_S " %[src], %[rseq_scratch0]\n\t"
+ LONG_S " %[dst], %[rseq_scratch1]\n\t"
+ LONG_S " %[len], %[rseq_scratch2]\n\t"
+ /* Start rseq by storing table entry pointer into rseq_cs. */
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_INJECT_ASM(3)
+ LONG_L " $4, %[v]\n\t"
+ "bne $4, %[expect], 5f\n\t"
+ RSEQ_INJECT_ASM(4)
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 6f)
+ LONG_L " $4, %[v]\n\t"
+ "bne $4, %[expect], 7f\n\t"
+#endif
+ /* try memcpy */
+ "beqz %[len], 333f\n\t" \
+ "222:\n\t" \
+ "lb $4, 0(%[src])\n\t" \
+ "sb $4, 0(%[dst])\n\t" \
+ LONG_ADDI " %[src], 1\n\t" \
+ LONG_ADDI " %[dst], 1\n\t" \
+ LONG_ADDI " %[len], -1\n\t" \
+ "bnez %[len], 222b\n\t" \
+ "333:\n\t" \
+ RSEQ_INJECT_ASM(5)
+ /* final store */
+ LONG_S " %[newv], %[v]\n\t"
+ "2:\n\t"
+ RSEQ_INJECT_ASM(6)
+ /* teardown */
+ LONG_L " %[len], %[rseq_scratch2]\n\t"
+ LONG_L " %[dst], %[rseq_scratch1]\n\t"
+ LONG_L " %[src], %[rseq_scratch0]\n\t"
+ "b 8f\n\t"
+ RSEQ_ASM_DEFINE_ABORT(3, 4,
+ /* teardown */
+ LONG_L " %[len], %[rseq_scratch2]\n\t"
+ LONG_L " %[dst], %[rseq_scratch1]\n\t"
+ LONG_L " %[src], %[rseq_scratch0]\n\t",
+ abort, 1b, 2b, 4f)
+ RSEQ_ASM_DEFINE_CMPFAIL(5,
+ /* teardown */
+ LONG_L " %[len], %[rseq_scratch2]\n\t"
+ LONG_L " %[dst], %[rseq_scratch1]\n\t"
+ LONG_L " %[src], %[rseq_scratch0]\n\t",
+ cmpfail)
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_CMPFAIL(6,
+ /* teardown */
+ LONG_L " %[len], %[rseq_scratch2]\n\t"
+ LONG_L " %[dst], %[rseq_scratch1]\n\t"
+ LONG_L " %[src], %[rseq_scratch0]\n\t",
+ error1)
+ RSEQ_ASM_DEFINE_CMPFAIL(7,
+ /* teardown */
+ LONG_L " %[len], %[rseq_scratch2]\n\t"
+ LONG_L " %[dst], %[rseq_scratch1]\n\t"
+ LONG_L " %[src], %[rseq_scratch0]\n\t",
+ error2)
+#endif
+ "8:\n\t"
+ : /* gcc asm goto does not allow outputs */
+ : [cpu_id] "r" (cpu),
+ [current_cpu_id] "m" (__rseq_abi.cpu_id),
+ [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ /* final store input */
+ [v] "m" (*v),
+ [expect] "r" (expect),
+ [newv] "r" (newv),
+ /* try memcpy input */
+ [dst] "r" (dst),
+ [src] "r" (src),
+ [len] "r" (len),
+ [rseq_scratch0] "m" (rseq_scratch[0]),
+ [rseq_scratch1] "m" (rseq_scratch[1]),
+ [rseq_scratch2] "m" (rseq_scratch[2])
+ RSEQ_INJECT_INPUT
+ : "$4", "memory"
+ RSEQ_INJECT_CLOBBER
+ : abort, cmpfail
+#ifdef RSEQ_COMPARE_TWICE
+ , error1, error2
+#endif
+ );
+ rseq_workaround_gcc_asm_size_guess();
+ return 0;
+abort:
+ rseq_workaround_gcc_asm_size_guess();
+ RSEQ_INJECT_FAILED
+ return -1;
+cmpfail:
+ rseq_workaround_gcc_asm_size_guess();
+ return 1;
+#ifdef RSEQ_COMPARE_TWICE
+error1:
+ rseq_workaround_gcc_asm_size_guess();
+ rseq_bug("cpu_id comparison failed");
+error2:
+ rseq_workaround_gcc_asm_size_guess();
+ rseq_bug("expected value comparison failed");
+#endif
+}
+
+static inline __attribute__((always_inline))
+int rseq_cmpeqv_trymemcpy_storev_release(intptr_t *v, intptr_t expect,
+ void *dst, void *src, size_t len,
+ intptr_t newv, int cpu)
+{
+ uintptr_t rseq_scratch[3];
+
+ RSEQ_INJECT_C(9)
+
+ rseq_workaround_gcc_asm_size_guess();
+ __asm__ __volatile__ goto (
+ RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ LONG_S " %[src], %[rseq_scratch0]\n\t"
+ LONG_S " %[dst], %[rseq_scratch1]\n\t"
+ LONG_S " %[len], %[rseq_scratch2]\n\t"
+ /* Start rseq by storing table entry pointer into rseq_cs. */
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_INJECT_ASM(3)
+ LONG_L " $4, %[v]\n\t"
+ "bne $4, %[expect], 5f\n\t"
+ RSEQ_INJECT_ASM(4)
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 6f)
+ LONG_L " $4, %[v]\n\t"
+ "bne $4, %[expect], 7f\n\t"
+#endif
+ /* try memcpy */
+ "beqz %[len], 333f\n\t" \
+ "222:\n\t" \
+ "lb $4, 0(%[src])\n\t" \
+ "sb $4, 0(%[dst])\n\t" \
+ LONG_ADDI " %[src], 1\n\t" \
+ LONG_ADDI " %[dst], 1\n\t" \
+ LONG_ADDI " %[len], -1\n\t" \
+ "bnez %[len], 222b\n\t" \
+ "333:\n\t" \
+ RSEQ_INJECT_ASM(5)
+ "sync\n\t" /* full sync provides store-release */
+ /* final store */
+ LONG_S " %[newv], %[v]\n\t"
+ "2:\n\t"
+ RSEQ_INJECT_ASM(6)
+ /* teardown */
+ LONG_L " %[len], %[rseq_scratch2]\n\t"
+ LONG_L " %[dst], %[rseq_scratch1]\n\t"
+ LONG_L " %[src], %[rseq_scratch0]\n\t"
+ "b 8f\n\t"
+ RSEQ_ASM_DEFINE_ABORT(3, 4,
+ /* teardown */
+ LONG_L " %[len], %[rseq_scratch2]\n\t"
+ LONG_L " %[dst], %[rseq_scratch1]\n\t"
+ LONG_L " %[src], %[rseq_scratch0]\n\t",
+ abort, 1b, 2b, 4f)
+ RSEQ_ASM_DEFINE_CMPFAIL(5,
+ /* teardown */
+ LONG_L " %[len], %[rseq_scratch2]\n\t"
+ LONG_L " %[dst], %[rseq_scratch1]\n\t"
+ LONG_L " %[src], %[rseq_scratch0]\n\t",
+ cmpfail)
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_CMPFAIL(6,
+ /* teardown */
+ LONG_L " %[len], %[rseq_scratch2]\n\t"
+ LONG_L " %[dst], %[rseq_scratch1]\n\t"
+ LONG_L " %[src], %[rseq_scratch0]\n\t",
+ error1)
+ RSEQ_ASM_DEFINE_CMPFAIL(7,
+ /* teardown */
+ LONG_L " %[len], %[rseq_scratch2]\n\t"
+ LONG_L " %[dst], %[rseq_scratch1]\n\t"
+ LONG_L " %[src], %[rseq_scratch0]\n\t",
+ error2)
+#endif
+ "8:\n\t"
+ : /* gcc asm goto does not allow outputs */
+ : [cpu_id] "r" (cpu),
+ [current_cpu_id] "m" (__rseq_abi.cpu_id),
+ [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ /* final store input */
+ [v] "m" (*v),
+ [expect] "r" (expect),
+ [newv] "r" (newv),
+ /* try memcpy input */
+ [dst] "r" (dst),
+ [src] "r" (src),
+ [len] "r" (len),
+ [rseq_scratch0] "m" (rseq_scratch[0]),
+ [rseq_scratch1] "m" (rseq_scratch[1]),
+ [rseq_scratch2] "m" (rseq_scratch[2])
+ RSEQ_INJECT_INPUT
+ : "$4", "memory"
+ RSEQ_INJECT_CLOBBER
+ : abort, cmpfail
+#ifdef RSEQ_COMPARE_TWICE
+ , error1, error2
+#endif
+ );
+ rseq_workaround_gcc_asm_size_guess();
+ return 0;
+abort:
+ rseq_workaround_gcc_asm_size_guess();
+ RSEQ_INJECT_FAILED
+ return -1;
+cmpfail:
+ rseq_workaround_gcc_asm_size_guess();
+ return 1;
+#ifdef RSEQ_COMPARE_TWICE
+error1:
+ rseq_workaround_gcc_asm_size_guess();
+ rseq_bug("cpu_id comparison failed");
+error2:
+ rseq_workaround_gcc_asm_size_guess();
+ rseq_bug("expected value comparison failed");
+#endif
+}
+
+#endif /* !RSEQ_SKIP_FASTPATH */
diff --git a/tools/testing/selftests/rseq/rseq.h b/tools/testing/selftests/rseq/rseq.h
index 0a808575cbc4..a4684112676c 100644
--- a/tools/testing/selftests/rseq/rseq.h
+++ b/tools/testing/selftests/rseq/rseq.h
@@ -73,6 +73,8 @@ extern __thread volatile struct rseq __rseq_abi;
#include <rseq-arm.h>
#elif defined(__PPC__)
#include <rseq-ppc.h>
+#elif defined(__mips__)
+#include <rseq-mips.h>
#else
#error unsupported target
#endif
diff --git a/tools/testing/selftests/rseq/run_param_test.sh b/tools/testing/selftests/rseq/run_param_test.sh
index 3acd6d75ff9f..3acd6d75ff9f 100644..100755
--- a/tools/testing/selftests/rseq/run_param_test.sh
+++ b/tools/testing/selftests/rseq/run_param_test.sh
diff --git a/tools/testing/selftests/sparc64/Makefile b/tools/testing/selftests/sparc64/Makefile
index 2082eeffd779..a19531dba4dc 100644
--- a/tools/testing/selftests/sparc64/Makefile
+++ b/tools/testing/selftests/sparc64/Makefile
@@ -1,7 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0
+uname_M := $(shell uname -m 2>/dev/null || echo not)
+ARCH ?= $(shell echo $(uname_M) | sed -e s/x86_64/x86/)
+
+ifneq ($(ARCH),sparc64)
+nothing:
+.PHONY: all clean run_tests install
+.SILENT:
+else
+
SUBDIRS := drivers
TEST_PROGS := run.sh
+
.PHONY: all clean
include ../lib.mk
@@ -18,10 +29,6 @@ all:
fi \
done
-override define RUN_TESTS
- @cd $(OUTPUT); ./run.sh
-endef
-
override define INSTALL_RULE
mkdir -p $(INSTALL_PATH)
install -t $(INSTALL_PATH) $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES)
@@ -33,10 +40,6 @@ override define INSTALL_RULE
done;
endef
-override define EMIT_TESTS
- echo "./run.sh"
-endef
-
override define CLEAN
@for DIR in $(SUBDIRS); do \
BUILD_TARGET=$(OUTPUT)/$$DIR; \
@@ -44,3 +47,4 @@ override define CLEAN
make OUTPUT=$$BUILD_TARGET -C $$DIR $@;\
done
endef
+endif
diff --git a/tools/testing/selftests/sparc64/drivers/Makefile b/tools/testing/selftests/sparc64/drivers/Makefile
index 6264f40bbdbc..deb0df415565 100644
--- a/tools/testing/selftests/sparc64/drivers/Makefile
+++ b/tools/testing/selftests/sparc64/drivers/Makefile
@@ -1,4 +1,4 @@
-
+# SPDX-License-Identifier: GPL-2.0
INCLUDEDIR := -I.
CFLAGS := $(CFLAGS) $(INCLUDEDIR) -Wall -O2 -g
diff --git a/tools/testing/selftests/static_keys/test_static_keys.sh b/tools/testing/selftests/static_keys/test_static_keys.sh
index 24cff498b31a..fc9f8cde7d42 100755
--- a/tools/testing/selftests/static_keys/test_static_keys.sh
+++ b/tools/testing/selftests/static_keys/test_static_keys.sh
@@ -2,6 +2,19 @@
# SPDX-License-Identifier: GPL-2.0
# Runs static keys kernel module tests
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+if ! /sbin/modprobe -q -n test_static_key_base; then
+ echo "static_key: module test_static_key_base is not found [SKIP]"
+ exit $ksft_skip
+fi
+
+if ! /sbin/modprobe -q -n test_static_keys; then
+ echo "static_key: module test_static_keys is not found [SKIP]"
+ exit $ksft_skip
+fi
+
if /sbin/modprobe -q test_static_key_base; then
if /sbin/modprobe -q test_static_keys; then
echo "static_key: ok"
diff --git a/tools/testing/selftests/sync/config b/tools/testing/selftests/sync/config
new file mode 100644
index 000000000000..1ab7e8130db2
--- /dev/null
+++ b/tools/testing/selftests/sync/config
@@ -0,0 +1,4 @@
+CONFIG_STAGING=y
+CONFIG_ANDROID=y
+CONFIG_SYNC=y
+CONFIG_SW_SYNC=y
diff --git a/tools/testing/selftests/sysctl/sysctl.sh b/tools/testing/selftests/sysctl/sysctl.sh
index ec232c3cfcaa..584eb8ea780a 100755
--- a/tools/testing/selftests/sysctl/sysctl.sh
+++ b/tools/testing/selftests/sysctl/sysctl.sh
@@ -14,6 +14,9 @@
# This performs a series tests against the proc sysctl interface.
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
TEST_NAME="sysctl"
TEST_DRIVER="test_${TEST_NAME}"
TEST_DIR=$(dirname $0)
@@ -41,7 +44,7 @@ test_modprobe()
echo "$0: $DIR not present" >&2
echo "You must have the following enabled in your kernel:" >&2
cat $TEST_DIR/config >&2
- exit 1
+ exit $ksft_skip
fi
}
@@ -98,28 +101,30 @@ test_reqs()
uid=$(id -u)
if [ $uid -ne 0 ]; then
echo $msg must be run as root >&2
- exit 0
+ exit $ksft_skip
fi
if ! which perl 2> /dev/null > /dev/null; then
echo "$0: You need perl installed"
- exit 1
+ exit $ksft_skip
fi
if ! which getconf 2> /dev/null > /dev/null; then
echo "$0: You need getconf installed"
- exit 1
+ exit $ksft_skip
fi
if ! which diff 2> /dev/null > /dev/null; then
echo "$0: You need diff installed"
- exit 1
+ exit $ksft_skip
fi
}
function load_req_mod()
{
- trap "test_modprobe" EXIT
-
if [ ! -d $DIR ]; then
+ if ! modprobe -q -n $TEST_DRIVER; then
+ echo "$0: module $TEST_DRIVER not found [SKIP]"
+ exit $ksft_skip
+ fi
modprobe $TEST_DRIVER
if [ $? -ne 0 ]; then
exit
@@ -765,6 +770,7 @@ function parse_args()
test_reqs
allow_user_defaults
check_production_sysctl_writes_strict
+test_modprobe
load_req_mod
trap "test_finish" EXIT
diff --git a/tools/testing/selftests/user/test_user_copy.sh b/tools/testing/selftests/user/test_user_copy.sh
index d60506fc77f8..f9b31a57439b 100755
--- a/tools/testing/selftests/user/test_user_copy.sh
+++ b/tools/testing/selftests/user/test_user_copy.sh
@@ -2,6 +2,13 @@
# SPDX-License-Identifier: GPL-2.0
# Runs copy_to/from_user infrastructure using test_user_copy kernel module
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+if ! /sbin/modprobe -q -n test_user_copy; then
+ echo "user: module test_user_copy is not found [SKIP]"
+ exit $ksft_skip
+fi
if /sbin/modprobe -q test_user_copy; then
/sbin/modprobe -q -r test_user_copy
echo "user_copy: ok"
diff --git a/tools/testing/selftests/vm/compaction_test.c b/tools/testing/selftests/vm/compaction_test.c
index 1097f04e4d80..bcec71250873 100644
--- a/tools/testing/selftests/vm/compaction_test.c
+++ b/tools/testing/selftests/vm/compaction_test.c
@@ -16,6 +16,8 @@
#include <unistd.h>
#include <string.h>
+#include "../kselftest.h"
+
#define MAP_SIZE 1048576
struct map_list {
@@ -169,7 +171,7 @@ int main(int argc, char **argv)
printf("Either the sysctl compact_unevictable_allowed is not\n"
"set to 1 or couldn't read the proc file.\n"
"Skipping the test\n");
- return 0;
+ return KSFT_SKIP;
}
lim.rlim_cur = RLIM_INFINITY;
diff --git a/tools/testing/selftests/vm/mlock2-tests.c b/tools/testing/selftests/vm/mlock2-tests.c
index 4997b9222cfa..637b6d0ac0d0 100644
--- a/tools/testing/selftests/vm/mlock2-tests.c
+++ b/tools/testing/selftests/vm/mlock2-tests.c
@@ -9,6 +9,8 @@
#include <stdbool.h>
#include "mlock2.h"
+#include "../kselftest.h"
+
struct vm_boundaries {
unsigned long start;
unsigned long end;
@@ -303,7 +305,7 @@ static int test_mlock_lock()
if (mlock2_(map, 2 * page_size, 0)) {
if (errno == ENOSYS) {
printf("Cannot call new mlock family, skipping test\n");
- _exit(0);
+ _exit(KSFT_SKIP);
}
perror("mlock2(0)");
goto unmap;
@@ -412,7 +414,7 @@ static int test_mlock_onfault()
if (mlock2_(map, 2 * page_size, MLOCK_ONFAULT)) {
if (errno == ENOSYS) {
printf("Cannot call new mlock family, skipping test\n");
- _exit(0);
+ _exit(KSFT_SKIP);
}
perror("mlock2(MLOCK_ONFAULT)");
goto unmap;
@@ -425,7 +427,7 @@ static int test_mlock_onfault()
if (munlock(map, 2 * page_size)) {
if (errno == ENOSYS) {
printf("Cannot call new mlock family, skipping test\n");
- _exit(0);
+ _exit(KSFT_SKIP);
}
perror("munlock()");
goto unmap;
@@ -457,7 +459,7 @@ static int test_lock_onfault_of_present()
if (mlock2_(map, 2 * page_size, MLOCK_ONFAULT)) {
if (errno == ENOSYS) {
printf("Cannot call new mlock family, skipping test\n");
- _exit(0);
+ _exit(KSFT_SKIP);
}
perror("mlock2(MLOCK_ONFAULT)");
goto unmap;
@@ -583,7 +585,7 @@ static int test_vma_management(bool call_mlock)
if (call_mlock && mlock2_(map, 3 * page_size, MLOCK_ONFAULT)) {
if (errno == ENOSYS) {
printf("Cannot call new mlock family, skipping test\n");
- _exit(0);
+ _exit(KSFT_SKIP);
}
perror("mlock(ONFAULT)\n");
goto out;
diff --git a/tools/testing/selftests/vm/run_vmtests b/tools/testing/selftests/vm/run_vmtests
index 22d564673830..88cbe5575f0c 100755
--- a/tools/testing/selftests/vm/run_vmtests
+++ b/tools/testing/selftests/vm/run_vmtests
@@ -2,6 +2,9 @@
# SPDX-License-Identifier: GPL-2.0
#please run as root
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
mnt=./huge
exitcode=0
@@ -36,7 +39,7 @@ if [ -n "$freepgs" ] && [ -n "$hpgsize_KB" ]; then
echo $(( $lackpgs + $nr_hugepgs )) > /proc/sys/vm/nr_hugepages
if [ $? -ne 0 ]; then
echo "Please run this test as root"
- exit 1
+ exit $ksft_skip
fi
while read name size unit; do
if [ "$name" = "HugePages_Free:" ]; then
diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c
index de2f9ec8a87f..7b8171e3128a 100644
--- a/tools/testing/selftests/vm/userfaultfd.c
+++ b/tools/testing/selftests/vm/userfaultfd.c
@@ -69,6 +69,8 @@
#include <setjmp.h>
#include <stdbool.h>
+#include "../kselftest.h"
+
#ifdef __NR_userfaultfd
static unsigned long nr_cpus, nr_pages, nr_pages_per_cpu, page_size;
@@ -1322,7 +1324,7 @@ int main(int argc, char **argv)
int main(void)
{
printf("skip: Skipping userfaultfd test (missing __NR_userfaultfd)\n");
- return 0;
+ return KSFT_SKIP;
}
#endif /* __NR_userfaultfd */
diff --git a/tools/testing/selftests/x86/sigreturn.c b/tools/testing/selftests/x86/sigreturn.c
index 246145b84a12..4d9dc3f2fd70 100644
--- a/tools/testing/selftests/x86/sigreturn.c
+++ b/tools/testing/selftests/x86/sigreturn.c
@@ -610,21 +610,41 @@ static int test_valid_sigreturn(int cs_bits, bool use_16bit_ss, int force_ss)
*/
for (int i = 0; i < NGREG; i++) {
greg_t req = requested_regs[i], res = resulting_regs[i];
+
if (i == REG_TRAPNO || i == REG_IP)
continue; /* don't care */
- if (i == REG_SP) {
- printf("\tSP: %llx -> %llx\n", (unsigned long long)req,
- (unsigned long long)res);
+ if (i == REG_SP) {
/*
- * In many circumstances, the high 32 bits of rsp
- * are zeroed. For example, we could be a real
- * 32-bit program, or we could hit any of a number
- * of poorly-documented IRET or segmented ESP
- * oddities. If this happens, it's okay.
+ * If we were using a 16-bit stack segment, then
+ * the kernel is a bit stuck: IRET only restores
+ * the low 16 bits of ESP/RSP if SS is 16-bit.
+ * The kernel uses a hack to restore bits 31:16,
+ * but that hack doesn't help with bits 63:32.
+ * On Intel CPUs, bits 63:32 end up zeroed, and, on
+ * AMD CPUs, they leak the high bits of the kernel
+ * espfix64 stack pointer. There's very little that
+ * the kernel can do about it.
+ *
+ * Similarly, if we are returning to a 32-bit context,
+ * the CPU will often lose the high 32 bits of RSP.
*/
- if (res == (req & 0xFFFFFFFF))
- continue; /* OK; not expected to work */
+
+ if (res == req)
+ continue;
+
+ if (cs_bits != 64 && ((res ^ req) & 0xFFFFFFFF) == 0) {
+ printf("[NOTE]\tSP: %llx -> %llx\n",
+ (unsigned long long)req,
+ (unsigned long long)res);
+ continue;
+ }
+
+ printf("[FAIL]\tSP mismatch: requested 0x%llx; got 0x%llx\n",
+ (unsigned long long)requested_regs[i],
+ (unsigned long long)resulting_regs[i]);
+ nerrs++;
+ continue;
}
bool ignore_reg = false;
@@ -654,25 +674,18 @@ static int test_valid_sigreturn(int cs_bits, bool use_16bit_ss, int force_ss)
#endif
/* Sanity check on the kernel */
- if (i == REG_CX && requested_regs[i] != resulting_regs[i]) {
+ if (i == REG_CX && req != res) {
printf("[FAIL]\tCX (saved SP) mismatch: requested 0x%llx; got 0x%llx\n",
- (unsigned long long)requested_regs[i],
- (unsigned long long)resulting_regs[i]);
+ (unsigned long long)req,
+ (unsigned long long)res);
nerrs++;
continue;
}
- if (requested_regs[i] != resulting_regs[i] && !ignore_reg) {
- /*
- * SP is particularly interesting here. The
- * usual cause of failures is that we hit the
- * nasty IRET case of returning to a 16-bit SS,
- * in which case bits 16:31 of the *kernel*
- * stack pointer persist in ESP.
- */
+ if (req != res && !ignore_reg) {
printf("[FAIL]\tReg %d mismatch: requested 0x%llx; got 0x%llx\n",
- i, (unsigned long long)requested_regs[i],
- (unsigned long long)resulting_regs[i]);
+ i, (unsigned long long)req,
+ (unsigned long long)res);
nerrs++;
}
}
diff --git a/tools/testing/selftests/zram/zram.sh b/tools/testing/selftests/zram/zram.sh
index 754de7da426a..232e958ec454 100755
--- a/tools/testing/selftests/zram/zram.sh
+++ b/tools/testing/selftests/zram/zram.sh
@@ -2,6 +2,9 @@
# SPDX-License-Identifier: GPL-2.0
TCID="zram.sh"
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
. ./zram_lib.sh
run_zram () {
@@ -24,5 +27,5 @@ elif [ -b /dev/zram0 ]; then
else
echo "$TCID : No zram.ko module or /dev/zram0 device file not found"
echo "$TCID : CONFIG_ZRAM is not set"
- exit 1
+ exit $ksft_skip
fi
diff --git a/tools/testing/selftests/zram/zram_lib.sh b/tools/testing/selftests/zram/zram_lib.sh
index f6a9c73e7a44..9e73a4fb9b0a 100755
--- a/tools/testing/selftests/zram/zram_lib.sh
+++ b/tools/testing/selftests/zram/zram_lib.sh
@@ -18,6 +18,9 @@ MODULE=0
dev_makeswap=-1
dev_mounted=-1
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
trap INT
check_prereqs()
@@ -27,7 +30,7 @@ check_prereqs()
if [ $uid -ne 0 ]; then
echo $msg must be run as root >&2
- exit 0
+ exit $ksft_skip
fi
}