[GIT PULL] KVM/arm64 fixes for 5.16, take #2

[Paolo Bonzini]

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