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From: Puranjay Mohan <puranjay12@gmail.com>
Date: Fri, 14 Jun 2024 11:36:41 +0200
Message-ID: <CANk7y0i5919ih8UML+YtTr6MomemiJVu+4rpsU95TPBWv7bmeA@mail.gmail.com>
Subject: Re: [PATCH 6.6 000/137] 6.6.34-rc1 review
To: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org, 
	patches@lists.linux.dev, linux-kernel@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, srw@sladewatkins.net, rwarsow@gmx.de, 
	conor@kernel.org, allen.lkml@gmail.com, broonie@kernel.org, 
	Puranjay Mohan <puranjay@kernel.org>, "Naveen N. Rao" <naveen.n.rao@linux.ibm.com>, 
	"Paul E. McKenney" <paulmck@kernel.org>, Michael Ellerman <mpe@ellerman.id.au>, 
	Anders Roxell <anders.roxell@linaro.org>
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Hi Greg and Naresh,

On Fri, Jun 14, 2024 at 11:15=E2=80=AFAM Naresh Kamboju
<naresh.kamboju@linaro.org> wrote:
>
> On Thu, 13 Jun 2024 at 20:15, Naresh Kamboju <naresh.kamboju@linaro.org> =
wrote:
> >
> > On Thu, 13 Jun 2024 at 17:35, Greg Kroah-Hartman
> > <gregkh@linuxfoundation.org> wrote:
> > >
> > > This is the start of the stable review cycle for the 6.6.34 release.
> > > There are 137 patches in this series, all will be posted as a respons=
e
> > > to this one.  If anyone has any issues with these being applied, plea=
se
> > > let me know.
> > >
> > > Responses should be made by Sat, 15 Jun 2024 11:31:50 +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/v6.x/stable-review/pa=
tch-6.6.34-rc1.gz
> > > or in the git tree and branch at:
> > >         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-st=
able-rc.git linux-6.6.y
> > > and the diffstat can be found below.
> > >
> > > thanks,
> > >
> > > greg k-h
> >
> > The powerpc defconfig builds failed on stable-rc 6.6 branch due to belo=
w
> > build errors with gcc-13, gcc-8 and clang.
> >
> > Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
> >
> > Build log:
> > ----
> > arch/powerpc/net/bpf_jit_comp64.c: In function 'bpf_jit_build_body':
> > arch/powerpc/net/bpf_jit_comp64.c:1010:73: error: 'fimage' undeclared
> > (first use in this function); did you mean 'image'?
> >  1010 |                                 ret =3D
> > bpf_jit_emit_func_call_hlp(image, fimage, ctx, func_addr);
> >       |
> >          ^~~~~~
> >       |
> >          image
> > arch/powerpc/net/bpf_jit_comp64.c:1010:73: note: each undeclared
> > identifier is reported only once for each function it appears in
>
> Anders bisected this and found following patch,
>  first bad commit:
>  [2298022fd5c6c428872f5741592526b8f4aadcf8]
>   powerpc/64/bpf: fix tail calls for PCREL addressing

^ this patch can't be backported directly as it is using 'fimage' that
was introduced by:
90d862f370b6 ("powerpc/bpf: use bpf_jit_binary_pack_[alloc|finalize|free]")

We need to manually rework this patch for the backport.

Thanks,
Puranjay