From: Jan Kiszka Date: Sat, 7 Feb 2015 21:21:20 +0000 (+0100) Subject: ARM: KVM: Fix size check in __coherent_cache_guest_page X-Git-Tag: firefly_0821_release~176^2~2209^2~6 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a050dfb21cc22ac0c666d52531040c1bc48184cc;p=firefly-linux-kernel-4.4.55.git 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 Signed-off-by: Christoffer Dall --- 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;