From: Paolo Bonzini <pbonzini@redhat.com>
To: Marc Zyngier <maz@kernel.org>
Cc: kernel-team@android.com, kvm@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
Chris January <Chris.January@arm.com>,
linux-arm-kernel@lists.infradead.org,
Will Deacon <will@kernel.org>,
kvmarm@lists.cs.columbia.edu
Subject: Re: [GIT PULL] KVM/arm64 fixes for 5.16, take #2
Date: Fri, 26 Nov 2021 11:42:12 +0100 [thread overview]
Message-ID: <6e375bd2-d740-a00e-91d9-4b1ab2f82cac@redhat.com> (raw)
In-Reply-To: <20211125161902.106749-1-maz@kernel.org>
On 11/25/21 17:19, Marc Zyngier wrote:
> Paolo,
>
> Here's the second set of fixes for 5.16. The main items are a fix for
> an unfortunate signed constant extension, leading to an unbootable
> kernel on ARMv8.7 systems. The two other patches are fixes for the
> rare cases where we evaluate PSTATE too early on guest exit.
>
> Please pull,
>
> M.
>
> The following changes since commit fa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf:
>
> Linux 5.16-rc1 (2021-11-14 13:56:52 -0800)
>
> are available in the Git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-5.16-2
>
> for you to fetch changes up to 1f80d15020d7f130194821feb1432b67648c632d:
>
> KVM: arm64: Avoid setting the upper 32 bits of TCR_EL2 and CPTR_EL2 to 1 (2021-11-25 15:51:25 +0000)
>
> ----------------------------------------------------------------
> KVM/arm64 fixes for 5.16, take #2
>
> - Fix constant sign extension affecting TCR_EL2 and preventing
> running on ARMv8.7 models due to spurious bits being set
>
> - Fix use of helpers using PSTATE early on exit by always sampling
> it as soon as the exit takes place
>
> - Move pkvm's 32bit handling into a common helper
>
> ----------------------------------------------------------------
> Catalin Marinas (1):
> KVM: arm64: Avoid setting the upper 32 bits of TCR_EL2 and CPTR_EL2 to 1
>
> Marc Zyngier (2):
> KVM: arm64: Save PSTATE early on exit
> KVM: arm64: Move pkvm's special 32bit handling into a generic infrastructure
>
> arch/arm64/include/asm/kvm_arm.h | 4 ++--
> arch/arm64/kvm/hyp/include/hyp/switch.h | 14 ++++++++++++++
> arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h | 7 ++++++-
> arch/arm64/kvm/hyp/nvhe/switch.c | 8 +-------
> arch/arm64/kvm/hyp/vhe/switch.c | 4 ++++
> 5 files changed, 27 insertions(+), 10 deletions(-)
>
Pulled, thanks.
Paolo
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prev parent reply other threads:[~2021-11-26 10:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-25 16:19 [GIT PULL] KVM/arm64 fixes for 5.16, take #2 Marc Zyngier
2021-11-26 10:42 ` Paolo Bonzini [this message]
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