diff options
Diffstat (limited to 'tools/testing/selftests/kvm/dirty_log_test.c')
| -rw-r--r-- | tools/testing/selftests/kvm/dirty_log_test.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/tools/testing/selftests/kvm/dirty_log_test.c b/tools/testing/selftests/kvm/dirty_log_test.c index 9c883c94d478..b5234d6efbe1 100644 --- a/tools/testing/selftests/kvm/dirty_log_test.c +++ b/tools/testing/selftests/kvm/dirty_log_test.c @@ -17,6 +17,7 @@ #include <linux/bitmap.h> #include <linux/bitops.h> #include <linux/atomic.h> +#include <asm/barrier.h> #include "kvm_util.h" #include "test_util.h" @@ -264,7 +265,8 @@ static void default_after_vcpu_run(struct kvm_vcpu *vcpu, int ret, int err) static bool dirty_ring_supported(void) { - return kvm_has_cap(KVM_CAP_DIRTY_LOG_RING); + return (kvm_has_cap(KVM_CAP_DIRTY_LOG_RING) || + kvm_has_cap(KVM_CAP_DIRTY_LOG_RING_ACQ_REL)); } static void dirty_ring_create_vm_done(struct kvm_vm *vm) @@ -279,12 +281,12 @@ static void dirty_ring_create_vm_done(struct kvm_vm *vm) static inline bool dirty_gfn_is_dirtied(struct kvm_dirty_gfn *gfn) { - return gfn->flags == KVM_DIRTY_GFN_F_DIRTY; + return smp_load_acquire(&gfn->flags) == KVM_DIRTY_GFN_F_DIRTY; } static inline void dirty_gfn_set_collected(struct kvm_dirty_gfn *gfn) { - gfn->flags = KVM_DIRTY_GFN_F_RESET; + smp_store_release(&gfn->flags, KVM_DIRTY_GFN_F_RESET); } static uint32_t dirty_ring_collect_one(struct kvm_dirty_gfn *dirty_gfns, |