arm: kvm: STRICT_MM_TYPECHECKS fix for user_mem_abort
authorSteve Capper <steve.capper@linaro.org>
Tue, 14 Oct 2014 14:02:15 +0000 (15:02 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 4 Jul 2015 02:49:06 +0000 (19:49 -0700)
commit 3d08c629244257473450a8ba17cb8184b91e68f8 upstream.

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>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/arm/kvm/mmu.c

index d12277249fa2aab23974da84630403480c9137a9..2206385c50b316929f94bd87988c8ddc02db26df 100644 (file)
@@ -850,7 +850,7 @@ 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));
        }