diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-20 07:40:51 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-20 07:40:51 -0700 |
commit | bc71c2df45e5a861818b5ee173702883df07471a (patch) | |
tree | cd008493efad9dc936d0d2574f26dc6c9c7cb785 /arch/x86/kvm/mmu.c | |
parent | 76d15c8fba655c9b2d60cf01834858f2c44483dc (diff) | |
parent | 33688abb2802ff3a230bd2441f765477b94cc89e (diff) |
Merge 4.7-rc4 into usb-next
We need the 4.7-rc4 fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/kvm/mmu.c')
-rw-r--r-- | arch/x86/kvm/mmu.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 24e800116ab4..def97b3a392b 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -336,12 +336,12 @@ static gfn_t pse36_gfn_delta(u32 gpte) #ifdef CONFIG_X86_64 static void __set_spte(u64 *sptep, u64 spte) { - *sptep = spte; + WRITE_ONCE(*sptep, spte); } static void __update_clear_spte_fast(u64 *sptep, u64 spte) { - *sptep = spte; + WRITE_ONCE(*sptep, spte); } static u64 __update_clear_spte_slow(u64 *sptep, u64 spte) @@ -390,7 +390,7 @@ static void __set_spte(u64 *sptep, u64 spte) */ smp_wmb(); - ssptep->spte_low = sspte.spte_low; + WRITE_ONCE(ssptep->spte_low, sspte.spte_low); } static void __update_clear_spte_fast(u64 *sptep, u64 spte) @@ -400,7 +400,7 @@ static void __update_clear_spte_fast(u64 *sptep, u64 spte) ssptep = (union split_spte *)sptep; sspte = (union split_spte)spte; - ssptep->spte_low = sspte.spte_low; + WRITE_ONCE(ssptep->spte_low, sspte.spte_low); /* * If we map the spte from present to nonpresent, we should clear |