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ARM: KVM: Fix size check in __coherent_cache_guest_page
author
Jan Kiszka
<jan.kiszka@siemens.com>
Sat, 7 Feb 2015 21:21:20 +0000
(22:21 +0100)
committer
Paolo Bonzini
<pbonzini@redhat.com>
Mon, 23 Feb 2015 21:28:47 +0000
(22:28 +0100)
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>
arch/arm/include/asm/kvm_mmu.h
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diff --git
a/arch/arm/include/asm/kvm_mmu.h
b/arch/arm/include/asm/kvm_mmu.h
index 37ca2a4c6f0944598cacb0fbdab33c716258ea4e..bf0fe99e8ca927e8b3894dabaf1e1fca9f079c3d 100644
(file)
--- 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;