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author | Marc Zyngier <marc.zyngier@arm.com> | 2016-08-16 15:03:01 +0100 |
---|---|---|
committer | Christoffer Dall <christoffer.dall@linaro.org> | 2016-08-17 12:23:47 +0200 |
commit | 674e70127069f3fd3c58fb0f94c60eb0f6567d78 (patch) | |
tree | d36024aef039b0e277279f22747be0ae1283315c /arch/arm64/kvm | |
parent | 9ac715954682b23d293d910ad2697554171035e7 (diff) | |
download | linux-stable-674e70127069f3fd3c58fb0f94c60eb0f6567d78.tar.gz linux-stable-674e70127069f3fd3c58fb0f94c60eb0f6567d78.tar.bz2 linux-stable-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.c | 2 |
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); |