linux-kernel - Re: [PATCH 5.15 00/67] 5.15.142-rc1 review

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Date: Sat, 6 Jan 2024 16:54:34 -0800
From: Namhyung Kim <namhyung@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>, stable@...r.kernel.org, 
	patches@...ts.linux.dev, linux-kernel@...r.kernel.org, 
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org, linux@...ck-us.net, 
	shuah@...nel.org, patches@...nelci.org, lkft-triage@...ts.linaro.org, 
	pavel@...x.de, jonathanh@...dia.com, f.fainelli@...il.com, 
	sudipm.mukherjee@...il.com, srw@...dewatkins.net, rwarsow@....de, 
	conor@...nel.org, allen.lkml@...il.com, 
	Vegard Nossum <vegard.nossum@...cle.com>, Darren Kenny <darren.kenny@...cle.com>
Subject: Re: [PATCH 5.15 00/67] 5.15.142-rc1 review

Hello,

On Tue, Dec 5, 2023 at 10:17 AM Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> On Tue, Dec 05, 2023 at 12:46:43PM +0530, Harshit Mogalapalli wrote:
> > Hi Greg,
> >
> > On 05/12/23 8:46 am, Greg Kroah-Hartman wrote:
> > > This is the start of the stable review cycle for the 5.15.142 release.
> > > There are 67 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, 07 Dec 2023 03:14:57 +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-5.15.142-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
> > > Adrian Hunter <adrian.hunter@...el.com>
> > >      perf inject: Fix GEN_ELF_TEXT_OFFSET for jit
> > >
> > >
> >
> > ^^ This commit is causing the perf/ build failure:
> >
> > In file included from util/jitdump.c:29:
> > util/genelf.h:5:10: fatal error: linux/math.h: No such file or directory
> >     5 | #include <linux/math.h>
> >       |          ^~~~~~~~~~~~~~
> > compilation terminated.
> >
> > This was previously reported on 5.15.136-rc:
> >
> > Vegard shared his analysis on ways to fix here:
> >
> > https://lore.kernel.org/stable/fb1ce733-d612-4fa3-a1e4-716545625822@oracle.com/
>
> Now dropped from here and 4.19.y

Sorry for the super late reply and happy new year!

As Vegard noted we can change the header to <linux/kernel.h>
to avoid the build issue.  I don't expect more changes in this
code so it's unlikely we have conflicts here.  Let me know if
it happens later.

Anyway this code is needed to handle JIT-dump binaries
generated by perf inject.  I'll send a patch if it's ok to you.

Thanks,
Namhyung