linux-kernel - Re: [GIT PULL] KVM: Common MMU changes for 6.9

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Message-ID: <bb3af2ec-fc5b-433d-aa43-ea4d9a2b8863@redhat.com>
Date: Mon, 11 Mar 2024 15:23:26 +0100
From: Paolo Bonzini <pbonzini@...hat.com>
To: Sean Christopherson <seanjc@...gle.com>
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [GIT PULL] KVM: Common MMU changes for 6.9

On 3/8/24 23:36, Sean Christopherson wrote:
> Two small cleanups in what is effectively common MMU code.
> 
> The following changes since commit 41bccc98fb7931d63d03f326a746ac4d429c1dd3:
> 
>    Linux 6.8-rc2 (2024-01-28 17:01:12 -0800)
> 
> are available in the Git repository at:
> 
>    https://github.com/kvm-x86/linux.git tags/kvm-x86-generic-6.9
> 
> for you to fetch changes up to ea3689d9df50c283cb5d647a74aa45e2cc3f8064:
> 
>    KVM: fix kvm_mmu_memory_cache allocation warning (2024-02-22 17:02:26 -0800)

Pulled, thanks.

Paolo

> ----------------------------------------------------------------
> KVM common MMU changes for 6.9:
> 
>    - Harden KVM against underflowing the active mmu_notifier invalidation
>      count, so that "bad" invalidations (usually due to bugs elsehwere in the
>      kernel) are detected earlier and are less likely to hang the kernel.
> 
>    - Fix a benign bug in __kvm_mmu_topup_memory_cache() where the object size
>      and number of objects parameters to kvmalloc_array() were swapped.
> 
> ----------------------------------------------------------------
> Arnd Bergmann (1):
>        KVM: fix kvm_mmu_memory_cache allocation warning
> 
> Sean Christopherson (1):
>        KVM: Harden against unpaired kvm_mmu_notifier_invalidate_range_end() calls
> 
>   virt/kvm/kvm_main.c | 6 ++++--
>   1 file changed, 4 insertions(+), 2 deletions(-)
>