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Groups > linux.kernel > #1356595
| From | Lan Tianyu <tianyu.lan@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 3/7] KVM: Replace smp_mb() with smp_mb_after_atomic() in the kvm_make_all_cpus_request() |
| Date | 2016-03-13 04:30 +0100 |
| Message-ID | <rc4T7-830-5@gated-at.bofh.it> (permalink) |
| References | <rc4T7-830-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> --- virt/kvm/kvm_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 1eae052..ec5aa8d 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -170,8 +170,8 @@ bool kvm_make_all_cpus_request(struct kvm *kvm, unsigned int req) kvm_make_request(req, vcpu); cpu = vcpu->cpu; - /* Set ->requests bit before we read ->mode */ - smp_mb(); + /* Set ->requests bit before we read ->mode. */ + smp_mb__after_atomic(); if (cpus != NULL && cpu != -1 && cpu != me && kvm_vcpu_exiting_guest_mode(vcpu) != OUTSIDE_GUEST_MODE) -- 1.8.4.rc0.1.g8f6a3e5.dirty
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[PATCH 3/7] KVM: Replace smp_mb() with smp_mb_after_atomic() in the kvm_make_all_cpus_request() Lan Tianyu <tianyu.lan@intel.com> - 2016-03-13 04:30 +0100
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