Re: [GIT PULL] KVM/arm64 fixes for 6.9, part #1

Re: [GIT PULL] KVM/arm64 fixes for 6.9, part #1

[Oliver Upton]

+cc lists...

On Mon, Apr 01, 2024 at 07:23:13PM -0700, Oliver Upton wrote:
> Hi Paolo,
> 
> Here's the first set of fixes for 6.9. Several good fixes piled up here,
> partly because I've had limited availability due to travel.
> 
> Details are in the tag. Please pull.
> 
> -- 
> Best,
> Oliver
> 
> The following changes since commit 4cece764965020c22cff7665b18a012006359095:
> 
>   Linux 6.9-rc1 (2024-03-24 14:10:05 -0700)
> 
> are available in the Git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-6.9-1
> 
> for you to fetch changes up to d96c66ab9fb3ad8b243669cf6b41e68d0f7f9ecd:
> 
>   KVM: arm64: Rationalise KVM banner output (2024-04-01 01:33:52 -0700)
> 
> ----------------------------------------------------------------
> KVM/arm64 fixes for 6.9, part #1
> 
>  - Ensure perf events programmed to count during guest execution
>    are actually enabled before entering the guest in the nVHE
>    configuration.
> 
>  - Restore out-of-range handler for stage-2 translation faults.
> 
>  - Several fixes to stage-2 TLB invalidations to avoid stale
>    translations, possibly including partial walk caches.
> 
>  - Fix early handling of architectural VHE-only systems to ensure E2H is
>    appropriately set.
> 
>  - Correct a format specifier warning in the arch_timer selftest.
> 
>  - Make the KVM banner message correctly handle all of the possible
>    configurations.
> 
> ----------------------------------------------------------------
> Marc Zyngier (2):
>       arm64: Fix early handling of FEAT_E2H0 not being implemented
>       KVM: arm64: Rationalise KVM banner output
> 
> Oliver Upton (1):
>       KVM: arm64: Fix host-programmed guest events in nVHE
> 
> Sean Christopherson (1):
>       KVM: selftests: Fix __GUEST_ASSERT() format warnings in ARM's arch timer test
> 
> Will Deacon (4):
>       KVM: arm64: Don't defer TLB invalidation when zapping table entries
>       KVM: arm64: Don't pass a TLBI level hint when zapping table entries
>       KVM: arm64: Use TLBI_TTL_UNKNOWN in __kvm_tlb_flush_vmid_range()
>       KVM: arm64: Ensure target address is granule-aligned for range TLBI
> 
> Wujie Duan (1):
>       KVM: arm64: Fix out-of-IPA space translation fault handling
> 
>  arch/arm64/kernel/head.S                         | 29 +++++++++++++-----------
>  arch/arm64/kvm/arm.c                             | 13 ++++-------
>  arch/arm64/kvm/hyp/nvhe/tlb.c                    |  3 ++-
>  arch/arm64/kvm/hyp/pgtable.c                     | 23 ++++++++++++-------
>  arch/arm64/kvm/hyp/vhe/tlb.c                     |  3 ++-
>  arch/arm64/kvm/mmu.c                             |  2 +-
>  include/kvm/arm_pmu.h                            |  2 +-
>  tools/testing/selftests/kvm/aarch64/arch_timer.c |  2 +-
>  8 files changed, 43 insertions(+), 34 deletions(-)

Re: [GIT PULL] KVM/arm64 fixes for 6.9, part #1

[Paolo Bonzini]

On Tue, Apr 2, 2024 at 8:45 AM Oliver Upton <oliver.upton@linux.dev> wrote:
>
> +cc lists...
>
> On Mon, Apr 01, 2024 at 07:23:13PM -0700, Oliver Upton wrote:
> > Hi Paolo,
> >
> > Here's the first set of fixes for 6.9. Several good fixes piled up here,
> > partly because I've had limited availability due to travel.
> >
> > Details are in the tag. Please pull.
> >
> > --
> > Best,
> > Oliver
> >
> > The following changes since commit 4cece764965020c22cff7665b18a012006359095:
> >
> >   Linux 6.9-rc1 (2024-03-24 14:10:05 -0700)
> >
> > are available in the Git repository at:
> >
> >   git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-6.9-1
> >
> > for you to fetch changes up to d96c66ab9fb3ad8b243669cf6b41e68d0f7f9ecd:
> >
> >   KVM: arm64: Rationalise KVM banner output (2024-04-01 01:33:52 -0700)

Pulled, thanks.

Paolo

> > ----------------------------------------------------------------
> > KVM/arm64 fixes for 6.9, part #1
> >
> >  - Ensure perf events programmed to count during guest execution
> >    are actually enabled before entering the guest in the nVHE
> >    configuration.
> >
> >  - Restore out-of-range handler for stage-2 translation faults.
> >
> >  - Several fixes to stage-2 TLB invalidations to avoid stale
> >    translations, possibly including partial walk caches.
> >
> >  - Fix early handling of architectural VHE-only systems to ensure E2H is
> >    appropriately set.
> >
> >  - Correct a format specifier warning in the arch_timer selftest.
> >
> >  - Make the KVM banner message correctly handle all of the possible
> >    configurations.
> >
> > ----------------------------------------------------------------
> > Marc Zyngier (2):
> >       arm64: Fix early handling of FEAT_E2H0 not being implemented
> >       KVM: arm64: Rationalise KVM banner output
> >
> > Oliver Upton (1):
> >       KVM: arm64: Fix host-programmed guest events in nVHE
> >
> > Sean Christopherson (1):
> >       KVM: selftests: Fix __GUEST_ASSERT() format warnings in ARM's arch timer test
> >
> > Will Deacon (4):
> >       KVM: arm64: Don't defer TLB invalidation when zapping table entries
> >       KVM: arm64: Don't pass a TLBI level hint when zapping table entries
> >       KVM: arm64: Use TLBI_TTL_UNKNOWN in __kvm_tlb_flush_vmid_range()
> >       KVM: arm64: Ensure target address is granule-aligned for range TLBI
> >
> > Wujie Duan (1):
> >       KVM: arm64: Fix out-of-IPA space translation fault handling
> >
> >  arch/arm64/kernel/head.S                         | 29 +++++++++++++-----------
> >  arch/arm64/kvm/arm.c                             | 13 ++++-------
> >  arch/arm64/kvm/hyp/nvhe/tlb.c                    |  3 ++-
> >  arch/arm64/kvm/hyp/pgtable.c                     | 23 ++++++++++++-------
> >  arch/arm64/kvm/hyp/vhe/tlb.c                     |  3 ++-
> >  arch/arm64/kvm/mmu.c                             |  2 +-
> >  include/kvm/arm_pmu.h                            |  2 +-
> >  tools/testing/selftests/kvm/aarch64/arch_timer.c |  2 +-
> >  8 files changed, 43 insertions(+), 34 deletions(-)
>