linux-kernel - Re: [GIT PULL] KVM: Fixes for 6.10-rcN

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Date: Fri, 21 Jun 2024 14:02:35 +0200
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: Fixes for 6.10-rcN

On Fri, Jun 21, 2024 at 1:09 AM Sean Christopherson <seanjc@...gle.com> wrote:
>
> Two selftests fixes and two KVM fixes for 6.10.  Only the kvm_vcpu_on_spin()
> fix is tagged for stable@.  I deliberately didn't tag the mmu_notifier issue
> for stable@ as I'm 99.9% certain it can't actually cause problems (other than
> making UBSAN sad).
>
> Sorry for the late-in-the-week request, I have a feeling I missed your window
> where you're working on stuff for this week's KVM pull request.  :-/

Nope, I read that you were going to send something.

Pulled, thanks.

Paolo

> The following changes since commit c3f38fa61af77b49866b006939479069cd451173:
>
>   Linux 6.10-rc2 (2024-06-02 15:44:56 -0700)
>
> are available in the Git repository at:
>
>   https://github.com/kvm-x86/linux.git tags/kvm-x86-fixes-6.10-rcN
>
> for you to fetch changes up to c3f3edf73a8f854f8766a69d2734198a58762e33:
>
>   KVM: Stop processing *all* memslots when "null" mmu_notifier handler is found (2024-06-18 08:51:03 -0700)
>
> ----------------------------------------------------------------
> KVM fixes for 6.10
>
>  - Fix a "shift too big" goof in the KVM_SEV_INIT2 selftest.
>
>  - Compute the max mappable gfn for KVM selftests on x86 using GuestMaxPhyAddr
>    from KVM's supported CPUID (if it's available).
>
>  - Fix a race in kvm_vcpu_on_spin() by ensuring loads and stores are atomic.
>
>  - Fix technically benign bug in __kvm_handle_hva_range() where KVM consumes
>    the return from a void-returning function as if it were a boolean.
>
> ----------------------------------------------------------------
> Babu Moger (1):
>       KVM: Stop processing *all* memslots when "null" mmu_notifier handler is found
>
> Breno Leitao (1):
>       KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin()
>
> Colin Ian King (1):
>       KVM: selftests: Fix shift of 32 bit unsigned int more than 32 bits
>
> Tao Su (1):
>       KVM: selftests: x86: Prioritize getting max_gfn from GuestPhysBits
>
>  tools/testing/selftests/kvm/include/x86_64/processor.h |  1 +
>  tools/testing/selftests/kvm/lib/x86_64/processor.c     | 15 +++++++++++++--
>  tools/testing/selftests/kvm/x86_64/sev_init2_tests.c   |  4 ++--
>  virt/kvm/kvm_main.c                                    |  8 +++++---
>  4 files changed, 21 insertions(+), 7 deletions(-)
>