aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm64/kvm
diff options
context:
space:
mode:
authorMarc Zyngier <marc.zyngier@arm.com>2016-08-16 15:03:01 +0100
committerChristoffer Dall <christoffer.dall@linaro.org>2016-08-17 12:23:47 +0200
commit674e70127069f3fd3c58fb0f94c60eb0f6567d78 (patch)
treed36024aef039b0e277279f22747be0ae1283315c /arch/arm64/kvm
parentKVM: arm/arm64: Change misleading use of is_error_pfn (diff)
downloadlinux-dev-674e70127069f3fd3c58fb0f94c60eb0f6567d78.tar.xz
linux-dev-674e70127069f3fd3c58fb0f94c60eb0f6567d78.zip
arm64: Document workaround for Cortex-A72 erratum #853709
We already have a workaround for Cortex-A57 erratum #852523, but Cortex-A72 r0p0 to r0p2 do suffer from the same issue (known as erratum #853709). Let's document the fact that we already handle this. Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'arch/arm64/kvm')
-rw-r--r--arch/arm64/kvm/hyp/switch.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c
index ae7855f16ec2..5a84b4562603 100644
--- a/arch/arm64/kvm/hyp/switch.c
+++ b/arch/arm64/kvm/hyp/switch.c
@@ -256,7 +256,7 @@ static int __hyp_text __guest_run(struct kvm_vcpu *vcpu)
/*
* We must restore the 32-bit state before the sysregs, thanks
- * to Cortex-A57 erratum #852523.
+ * to erratum #852523 (Cortex-A57) or #853709 (Cortex-A72).
*/
__sysreg32_restore_state(vcpu);
__sysreg_restore_guest_state(guest_ctxt);