From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Sean Christopherson <seanjc@google.com>
Cc: stable@vger.kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>,
David Matlack <dmatlack@google.com>,
Pasha Tatashin <tatashin@google.com>,
Michael Krebs <mkrebs@google.com>,
Jim Mattson <jmattson@google.com>
Subject: Re: [PATCH 5.15 0/2] KVM: x86: Fix for dirty logging emulated atomics
Date: Fri, 5 Apr 2024 11:35:08 +0200 [thread overview]
Message-ID: <2024040500-rally-each-3b44@gregkh> (raw)
In-Reply-To: <20240404234004.911293-1-seanjc@google.com>
On Thu, Apr 04, 2024 at 04:40:02PM -0700, Sean Christopherson wrote:
> Two KVM x86 backports for 5.15. Patch 2 is the primary motivation (fix
> for potential guest data corruption after live migration).
>
> Patch 1 is a (very) soft dependency to resolve a conflict. It's not strictly
> necessary (manually resolving the conflict wouldn't be difficult), but it
> is a fix that has been in upstream for a long time. The only reason I didn't
> tag it for stable from the get-go is that the bug it fixes is very
> theoretical. At this point, the odds of the patch causing problems are
> lower than the odds of me botching a manual backport.
>
> Sean Christopherson (2):
> KVM: x86: Bail to userspace if emulation of atomic user access faults
> KVM: x86: Mark target gfn of emulated atomic instruction as dirty
>
> arch/x86/kvm/x86.c | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
>
> base-commit: 9465fef4ae351749f7068da8c78af4ca27e61928
> --
> 2.44.0.478.gd926399ef9-goog
All now queued up, thanks.
greg k-h
prev parent reply other threads:[~2024-04-05 9:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-04 23:40 [PATCH 5.15 0/2] KVM: x86: Fix for dirty logging emulated atomics Sean Christopherson
2024-04-04 23:40 ` [PATCH 5.15 1/2] KVM: x86: Bail to userspace if emulation of atomic user access faults Sean Christopherson
2024-04-04 23:40 ` [PATCH 5.15 2/2] KVM: x86: Mark target gfn of emulated atomic instruction as dirty Sean Christopherson
2024-04-05 9:35 ` Greg Kroah-Hartman [this message]
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