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Date:   Thu, 14 Jul 2022 12:04:15 +0200
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Maxim Levitsky <mlevitsk@redhat.com>
Cc:     Naresh Kamboju <naresh.kamboju@linaro.org>,
        kvm list <kvm@vger.kernel.org>, linux-kernel@vger.kernel.org,
        stable@vger.kernel.org, torvalds@linux-foundation.org,
        akpm@linux-foundation.org, linux@roeck-us.net, shuah@kernel.org,
        patches@kernelci.org, lkft-triage@lists.linaro.org, pavel@denx.de,
        jonathanh@nvidia.com, f.fainelli@gmail.com,
        sudipm.mukherjee@gmail.com, slade@sladewatkins.com,
        Sean Christopherson <seanjc@google.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        X86 ML <x86@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
        Alex =?iso-8859-1?Q?Benn=E9e?= <alex.bennee@linaro.org>,
        Anders Roxell <anders.roxell@linaro.org>
Subject: Re: [PATCH 5.15 00/78] 5.15.55-rc1 review
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On Thu, Jul 14, 2022 at 12:50:10PM +0300, Maxim Levitsky wrote:
> On Wed, 2022-07-13 at 18:22 +0530, Naresh Kamboju wrote:
> > On Wed, 13 Jul 2022 at 00:17, Greg Kroah-Hartman
> > <gregkh@linuxfoundation.org> wrote:
> > > 
> > > This is the start of the stable review cycle for the 5.15.55 release.
> > > There are 78 patches in this series, all will be posted as a response
> > > to this one.  If anyone has any issues with these being applied, please
> > > let me know.
> > > 
> > > Responses should be made by Thu, 14 Jul 2022 18:32:19 +0000.
> > > Anything received after that time might be too late.
> > > 
> > > The whole patch series can be found in one patch at:
> > >         https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.55-rc1.gz
> > > or in the git tree and branch at:
> > >         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
> > > and the diffstat can be found below.
> > > 
> > > thanks,
> > > 
> > > greg k-h
> > 
> > Results from Linaro’s test farm.
> > Regressions on x86_64.
> > 
> > Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
> > 
> > 1) Kernel panic noticed on device x86_6 while running kvm-unit-tests.
> >    - APIC base relocation is unsupported by KVM
> 
> My 0.2 cent:
> 
> APIC base relocation warning is harmless, and I removed it 5.19 kernel:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.19-rc6&id=3743c2f0251743b8ae968329708bbbeefff244cf

Nice, but doesn't look relevant for stable trees.

> The 'emulating exchange as write' is also something that KVM unit tests trigger
> normally although this warning recently did signal a real and very nasty bug, which I fixed in this commit:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.19-rc6&id=33fbe6befa622c082f7d417896832856814bdde0

Already in the 5.18.2 release, doesn't look all that relevant for 5.15,
odd that it is showing up on 5.15.

thanks,

greg k-h