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authorJan Kiszka <jan.kiszka@siemens.com>2015-02-07 22:21:20 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2015-02-23 22:28:47 +0100
commita050dfb21cc22ac0c666d52531040c1bc48184cc (patch)
treedcecc74f8562461340b9fd4594f1f09edb8b2a35
parentc517d838eb7d07bbe9507871fab3931deccff539 (diff)
downloadlinux-a050dfb21cc22ac0c666d52531040c1bc48184cc.tar.bz2
ARM: KVM: Fix size check in __coherent_cache_guest_page
The check is supposed to catch page-unaligned sizes, not the inverse. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
-rw-r--r--arch/arm/include/asm/kvm_mmu.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h
index 37ca2a4c6f09..bf0fe99e8ca9 100644
--- a/arch/arm/include/asm/kvm_mmu.h
+++ b/arch/arm/include/asm/kvm_mmu.h
@@ -207,7 +207,7 @@ static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu, pfn_t pfn,
bool need_flush = !vcpu_has_cache_enabled(vcpu) || ipa_uncached;
- VM_BUG_ON(size & PAGE_MASK);
+ VM_BUG_ON(size & ~PAGE_MASK);
if (!need_flush && !icache_is_pipt())
goto vipt_cache;