[GIT PULL 1/2] ARM: KVM: Fix size check in __coherent_cache_guest_page

[Christoffer Dall]

From: Jan Kiszka <jan.kiszka at siemens.com>

The check is supposed to catch page-unaligned sizes, not the inverse.

Signed-off-by: Jan Kiszka <jan.kiszka at siemens.com>
Signed-off-by: Christoffer Dall <christoffer.dall at linaro.org>
---
 arch/arm/include/asm/kvm_mmu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h
index 1bca8f8..90052de 100644
--- a/arch/arm/include/asm/kvm_mmu.h
+++ b/arch/arm/include/asm/kvm_mmu.h
@@ -186,7 +186,7 @@ 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;
-- 
2.1.2.330.g565301e.dirty