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-rw-r--r--tools/include/uapi/linux/kvm.h1
-rw-r--r--tools/testing/selftests/kvm/aarch64/vgic_init.c4
-rw-r--r--tools/testing/selftests/kvm/memslot_modification_stress_test.c2
-rw-r--r--tools/testing/selftests/perf_events/sigtrap_threads.c35
4 files changed, 36 insertions, 6 deletions
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index eed0315a77a6..0d5d4419139a 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -1177,6 +1177,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
#define KVM_CAP_S390_ZPCI_OP 221
#define KVM_CAP_S390_CPU_TOPOLOGY 222
+#define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
#ifdef KVM_CAP_IRQ_ROUTING
diff --git a/tools/testing/selftests/kvm/aarch64/vgic_init.c b/tools/testing/selftests/kvm/aarch64/vgic_init.c
index e05ecb31823f..9c131d977a1b 100644
--- a/tools/testing/selftests/kvm/aarch64/vgic_init.c
+++ b/tools/testing/selftests/kvm/aarch64/vgic_init.c
@@ -662,8 +662,8 @@ int test_kvm_device(uint32_t gic_dev_type)
: KVM_DEV_TYPE_ARM_VGIC_V2;
if (!__kvm_test_create_device(v.vm, other)) {
- ret = __kvm_test_create_device(v.vm, other);
- TEST_ASSERT(ret && (errno == EINVAL || errno == EEXIST),
+ ret = __kvm_create_device(v.vm, other);
+ TEST_ASSERT(ret < 0 && (errno == EINVAL || errno == EEXIST),
"create GIC device while other version exists");
}
diff --git a/tools/testing/selftests/kvm/memslot_modification_stress_test.c b/tools/testing/selftests/kvm/memslot_modification_stress_test.c
index 6ee7e1dde404..bb1d17a1171b 100644
--- a/tools/testing/selftests/kvm/memslot_modification_stress_test.c
+++ b/tools/testing/selftests/kvm/memslot_modification_stress_test.c
@@ -67,7 +67,7 @@ struct memslot_antagonist_args {
static void add_remove_memslot(struct kvm_vm *vm, useconds_t delay,
uint64_t nr_modifications)
{
- const uint64_t pages = 1;
+ uint64_t pages = max_t(int, vm->page_size, getpagesize()) / vm->page_size;
uint64_t gpa;
int i;
diff --git a/tools/testing/selftests/perf_events/sigtrap_threads.c b/tools/testing/selftests/perf_events/sigtrap_threads.c
index 6d849dc2bee0..d1d8483ac628 100644
--- a/tools/testing/selftests/perf_events/sigtrap_threads.c
+++ b/tools/testing/selftests/perf_events/sigtrap_threads.c
@@ -62,6 +62,8 @@ static struct perf_event_attr make_event_attr(bool enabled, volatile void *addr,
.remove_on_exec = 1, /* Required by sigtrap. */
.sigtrap = 1, /* Request synchronous SIGTRAP on event. */
.sig_data = TEST_SIG_DATA(addr, id),
+ .exclude_kernel = 1, /* To allow */
+ .exclude_hv = 1, /* running as !root */
};
return attr;
}
@@ -93,9 +95,13 @@ static void *test_thread(void *arg)
__atomic_fetch_add(&ctx.tids_want_signal, tid, __ATOMIC_RELAXED);
iter = ctx.iterate_on; /* read */
- for (i = 0; i < iter - 1; i++) {
- __atomic_fetch_add(&ctx.tids_want_signal, tid, __ATOMIC_RELAXED);
- ctx.iterate_on = iter; /* idempotent write */
+ if (iter >= 0) {
+ for (i = 0; i < iter - 1; i++) {
+ __atomic_fetch_add(&ctx.tids_want_signal, tid, __ATOMIC_RELAXED);
+ ctx.iterate_on = iter; /* idempotent write */
+ }
+ } else {
+ while (ctx.iterate_on);
}
return NULL;
@@ -208,4 +214,27 @@ TEST_F(sigtrap_threads, signal_stress)
EXPECT_EQ(ctx.first_siginfo.si_perf_data, TEST_SIG_DATA(&ctx.iterate_on, 0));
}
+TEST_F(sigtrap_threads, signal_stress_with_disable)
+{
+ const int target_count = NUM_THREADS * 3000;
+ int i;
+
+ ctx.iterate_on = -1;
+
+ EXPECT_EQ(ioctl(self->fd, PERF_EVENT_IOC_ENABLE, 0), 0);
+ pthread_barrier_wait(&self->barrier);
+ while (__atomic_load_n(&ctx.signal_count, __ATOMIC_RELAXED) < target_count) {
+ EXPECT_EQ(ioctl(self->fd, PERF_EVENT_IOC_DISABLE, 0), 0);
+ EXPECT_EQ(ioctl(self->fd, PERF_EVENT_IOC_ENABLE, 0), 0);
+ }
+ ctx.iterate_on = 0;
+ for (i = 0; i < NUM_THREADS; i++)
+ ASSERT_EQ(pthread_join(self->threads[i], NULL), 0);
+ EXPECT_EQ(ioctl(self->fd, PERF_EVENT_IOC_DISABLE, 0), 0);
+
+ EXPECT_EQ(ctx.first_siginfo.si_addr, &ctx.iterate_on);
+ EXPECT_EQ(ctx.first_siginfo.si_perf_type, PERF_TYPE_BREAKPOINT);
+ EXPECT_EQ(ctx.first_siginfo.si_perf_data, TEST_SIG_DATA(&ctx.iterate_on, 0));
+}
+
TEST_HARNESS_MAIN