From: Christoffer Dall <christoffer.dall@linaro.org> To: kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Cc: Marc Zyngier <marc.zyngier@arm.com>, kvm@vger.kernel.org, Christoffer Dall <christoffer.dall@linaro.org> Subject: [PULL 09/12] arm64: Document workaround for Cortex-A72 erratum #853709 Date: Wed, 17 Aug 2016 21:38:56 +0200 [thread overview] Message-ID: <20160817193859.15726-10-christoffer.dall@linaro.org> (raw) In-Reply-To: <20160817193859.15726-1-christoffer.dall@linaro.org> From: Marc Zyngier <marc.zyngier@arm.com> 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> --- Documentation/arm64/silicon-errata.txt | 1 + arch/arm64/kvm/hyp/switch.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/arm64/silicon-errata.txt b/Documentation/arm64/silicon-errata.txt index 4da60b4..ccc6032 100644 --- a/Documentation/arm64/silicon-errata.txt +++ b/Documentation/arm64/silicon-errata.txt @@ -53,6 +53,7 @@ stable kernels. | ARM | Cortex-A57 | #832075 | ARM64_ERRATUM_832075 | | ARM | Cortex-A57 | #852523 | N/A | | ARM | Cortex-A57 | #834220 | ARM64_ERRATUM_834220 | +| ARM | Cortex-A72 | #853709 | N/A | | ARM | MMU-500 | #841119,#826419 | N/A | | | | | | | Cavium | ThunderX ITS | #22375, #24313 | CAVIUM_ERRATUM_22375 | diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c index ae7855f..5a84b45 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); -- 2.9.0
WARNING: multiple messages have this Message-ID (diff)
From: christoffer.dall@linaro.org (Christoffer Dall) To: linux-arm-kernel@lists.infradead.org Subject: [PULL 09/12] arm64: Document workaround for Cortex-A72 erratum #853709 Date: Wed, 17 Aug 2016 21:38:56 +0200 [thread overview] Message-ID: <20160817193859.15726-10-christoffer.dall@linaro.org> (raw) In-Reply-To: <20160817193859.15726-1-christoffer.dall@linaro.org> From: Marc Zyngier <marc.zyngier@arm.com> 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> --- Documentation/arm64/silicon-errata.txt | 1 + arch/arm64/kvm/hyp/switch.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/arm64/silicon-errata.txt b/Documentation/arm64/silicon-errata.txt index 4da60b4..ccc6032 100644 --- a/Documentation/arm64/silicon-errata.txt +++ b/Documentation/arm64/silicon-errata.txt @@ -53,6 +53,7 @@ stable kernels. | ARM | Cortex-A57 | #832075 | ARM64_ERRATUM_832075 | | ARM | Cortex-A57 | #852523 | N/A | | ARM | Cortex-A57 | #834220 | ARM64_ERRATUM_834220 | +| ARM | Cortex-A72 | #853709 | N/A | | ARM | MMU-500 | #841119,#826419 | N/A | | | | | | | Cavium | ThunderX ITS | #22375, #24313 | CAVIUM_ERRATUM_22375 | diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c index ae7855f..5a84b45 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); -- 2.9.0
next prev parent reply other threads:[~2016-08-17 19:37 UTC|newest] Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-08-17 19:38 [PULL 00/12] KVM/ARM Fixes for v4.8-rc3 Christoffer Dall 2016-08-17 19:38 ` Christoffer Dall 2016-08-17 19:38 ` [PULL 01/12] KVM: arm64: ITS: return 1 on successful MSI injection Christoffer Dall 2016-08-17 19:38 ` Christoffer Dall 2016-08-17 19:38 ` [PULL 02/12] KVM: arm64: vgic-its: Handle errors from vgic_add_lpi Christoffer Dall 2016-08-17 19:38 ` Christoffer Dall 2016-08-17 19:38 ` [PULL 03/12] KVM: arm64: vgic-its: Plug race in vgic_put_irq Christoffer Dall 2016-08-17 19:38 ` Christoffer Dall 2016-08-17 19:38 ` [PULL 04/12] KVM: arm64: vgic-its: Make updates to propbaser/pendbaser atomic Christoffer Dall 2016-08-17 19:38 ` Christoffer Dall 2016-08-17 19:38 ` [PULL 05/12] KVM: arm64: ITS: move ITS registration into first VCPU run Christoffer Dall 2016-08-17 19:38 ` Christoffer Dall 2016-08-17 19:38 ` [PULL 06/12] KVM: arm64: check for ITS device on MSI injection Christoffer Dall 2016-08-17 19:38 ` Christoffer Dall 2016-08-17 19:38 ` [PULL 07/12] KVM: arm64: ITS: avoid re-mapping LPIs Christoffer Dall 2016-08-17 19:38 ` Christoffer Dall 2016-08-17 19:38 ` [PULL 08/12] KVM: arm/arm64: Change misleading use of is_error_pfn Christoffer Dall 2016-08-17 19:38 ` Christoffer Dall 2016-08-17 19:38 ` Christoffer Dall [this message] 2016-08-17 19:38 ` [PULL 09/12] arm64: Document workaround for Cortex-A72 erratum #853709 Christoffer Dall 2016-08-17 19:38 ` [PULL 10/12] KVM: arm/arm64: timer: Workaround misconfigured timer interrupt Christoffer Dall 2016-08-17 19:38 ` Christoffer Dall 2016-08-17 19:38 ` [PULL 11/12] arm64: KVM: remove misleading comment on pmu status Christoffer Dall 2016-08-17 19:38 ` Christoffer Dall 2016-08-17 19:38 ` [PULL 12/12] arm64: KVM: report configured SRE value to 32-bit world Christoffer Dall 2016-08-17 19:38 ` Christoffer Dall 2016-08-18 10:19 ` [PULL 00/12] KVM/ARM Fixes for v4.8-rc3 Paolo Bonzini 2016-08-18 10:19 ` Paolo Bonzini
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20160817193859.15726-10-christoffer.dall@linaro.org \ --to=christoffer.dall@linaro.org \ --cc=kvm@vger.kernel.org \ --cc=kvmarm@lists.cs.columbia.edu \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=marc.zyngier@arm.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.