From: Steve Capper <steve.capper@linaro.org>
Date: Tue, 14 Oct 2014 14:02:15 +0000 (+0100)
Subject: arm: kvm: STRICT_MM_TYPECHECKS fix for user_mem_abort
X-Git-Tag: fixes-against-v3.18-rc2~42^2~1
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=3d08c629244257473450a8ba17cb8184b91e68f8

arm: kvm: STRICT_MM_TYPECHECKS fix for user_mem_abort

Commit:
b886576 ARM: KVM: user_mem_abort: support stage 2 MMIO page mapping

introduced some code in user_mem_abort that failed to compile if
STRICT_MM_TYPECHECKS was enabled.

This patch fixes up the failing comparison.

Signed-off-by: Steve Capper <steve.capper@linaro.org>
Reviewed-by: Kim Phillips <kim.phillips@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
---

diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 8c40829d4a52..57a403a5c22b 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -930,7 +930,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
 		}
 		coherent_cache_guest_page(vcpu, hva, PAGE_SIZE);
 		ret = stage2_set_pte(kvm, memcache, fault_ipa, &new_pte,
-				     mem_type == PAGE_S2_DEVICE);
+			pgprot_val(mem_type) == pgprot_val(PAGE_S2_DEVICE));
 	}