[GIT PULL] KVM/arm64 fixes for 6.2, take #2

Paolo Bonzini pbonzini at redhat.com
Sun Jan 22 00:51:55 PST 2023


On 1/21/23 12:08, Marc Zyngier wrote:
> Hi Paolo,
> 
> Here's a small set of important 6.2 fixes for KVM/arm64. We have a MTE
> fix after the recent changes that went into -rc1, as well as a GICv4.1
> fix for a pretty bad race that results in a dead host (a stable
> candidate).
> 
> Please pull,
> 
> 	M.
> 
> The following changes since commit de535c0234dd2dbd9c790790f2ca1c4ec8a52d2b:
> 
>    Merge branch kvm-arm64/MAINTAINERS into kvmarm-master/fixes (2023-01-05 15:26:53 +0000)
> 
> are available in the Git repository at:
> 
>    git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-6.2-2

Pulled, thanks.

Paolo

> 
> for you to fetch changes up to ef3691683d7bfd0a2acf48812e4ffe894f10bfa8:
> 
>    KVM: arm64: GICv4.1: Fix race with doorbell on VPE activation/deactivation (2023-01-21 11:02:19 +0000)
> 
> ----------------------------------------------------------------
> KVM/arm64 fixes for 6.2, take #2
> 
> - Pass the correct address to mte_clear_page_tags() on initialising
>    a tagged page
> 
> - Plug a race against a GICv4.1 doorbell interrupt while saving
>    the vgic-v3 pending state.
> 
> ----------------------------------------------------------------
> Catalin Marinas (1):
>        KVM: arm64: Pass the actual page address to mte_clear_page_tags()
> 
> Marc Zyngier (1):
>        KVM: arm64: GICv4.1: Fix race with doorbell on VPE activation/deactivation
> 
>   arch/arm64/kvm/guest.c        |  2 +-
>   arch/arm64/kvm/vgic/vgic-v3.c | 25 +++++++++++--------------
>   arch/arm64/kvm/vgic/vgic-v4.c |  8 ++++++--
>   arch/arm64/kvm/vgic/vgic.h    |  1 +
>   4 files changed, 19 insertions(+), 17 deletions(-)




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