Hi Paolo,
Here's another set of fixes for KVM/arm64 in 5.12.
One patch fixes a GICv3 MMIO regression introduced when working around
a firmware bug. The last two patches prevent the guest from messing
with the ARMv8.4 tracing, a new feature that was introduced in 5.12.
Please pull,
M.
The following changes since commit 1e28eed17697bcf343c6743f0028cc3b5dd88bf0:
Linux 5.12-rc3 (2021-03-14 14:41:02 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-5.12-3
for you to fetch changes up to af22df997d71c32304d6835a8b690281063b8010:
KVM: arm64: Fix CPU interface MMIO compatibility detection (2021-03-24 17:26:38 +0000)
----------------------------------------------------------------
KVM/arm64 fixes for 5.12, take #3
- Fix GICv3 MMIO compatibility probing
- Prevent guests from using the ARMv8.4 self-hosted tracing extension
----------------------------------------------------------------
Marc Zyngier (1):
KVM: arm64: Fix CPU interface MMIO compatibility detection
Suzuki K Poulose (2):
KVM: arm64: Hide system instruction access to Trace registers
KVM: arm64: Disable guest access to trace filter controls
arch/arm64/include/asm/kvm_arm.h | 1 +
arch/arm64/kernel/cpufeature.c | 1 -
arch/arm64/kvm/debug.c | 2 ++
arch/arm64/kvm/hyp/vgic-v3-sr.c | 9 +++++++++
4 files changed, 12 insertions(+), 1 deletion(-)
