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

Marc Zyngier maz at kernel.org
Sat Jan 21 03:08:37 PST 2023


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

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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