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Message-ID: <CA+icZUWt88VFaRON5j6+MQNgndiopmdpiWu+sopHW6usrpBhiA@mail.gmail.com>
Date: Thu, 22 Aug 2024 20:29:17 +0200
From: Sedat Dilek <sedat.dilek@...il.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>, Peter Zijlstra <peterz@...radead.org>, 
	Ingo Molnar <mingo@...hat.com>, Ian Rogers <irogers@...gle.com>, linux-perf-users@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Nathan Chancellor <nathan@...nel.org>
Subject: Re: [Linux-6.11-rc4] perf BROKEN with LLVM/Clang 19.1.0-rc3

On Thu, Aug 22, 2024 at 8:20 PM Arnaldo Carvalho de Melo
<acme@...nel.org> wrote:
>
> On Thu, Aug 22, 2024 at 11:17:21AM -0700, Namhyung Kim wrote:
> > > On Thu, Aug 22, 2024 at 7:40 PM Arnaldo Carvalho de Melo
> > > <acme@...nel.org> wrote:
> > > > From 155212c965b5b23a90b8558449dbfd1c60dad934 Mon Sep 17 00:00:00 2001
> > > > From: Arnaldo Carvalho de Melo <acme@...hat.com>
> > > > Date: Thu, 22 Aug 2024 14:13:49 -0300
> > > > Subject: [PATCH 1/1] perf python: Disable -Wno-cast-function-type-mismatch if
> > > >  present on clang
> > > >
> > > > The -Wcast-function-type-mismatch option was introduced in clang 19 and
> > > > its enabled by default, since we use -Werror, and python bindings do
> > > > casts that are valid but trips this warning, disable it if present.
> > > >
> > > > Reported-by: Sedat Dilek <sedat.dilek@...il.com>
> > > > Tested-by: Sedat Dilek <sedat.dilek@...il.com>
> > > > Cc: Ian Rogers <irogers@...gle.com>
> > > > Cc: Ingo Molnar <mingo@...hat.com>
> > > > Cc: Namhyung Kim <namhyung@...nel.org>
> > > > Cc: Nathan Chancellor <nathan@...nel.org>
> > > > Cc: Peter Zijlstra <peterz@...radead.org>
> > > > Link: https://lore.kernel.org/lkml/CA+icZUVtHn8X1Tb_Y__c-WswsO0K8U9uy3r2MzKXwTA5THtL7w@mail.gmail.com
> > > > Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> >
> > Can we also add 'Fixes' tag to make this picked by stable kernels?
>
> Fixes what? This isn't a regression, clang 19 isn't available for Fedora
> 40, the most recent.
>
> - Arnaldo

>From [1]:

LLVM Release Schedule - 19.1.x:

Jul 23rd: release/19.x branch created
Jul 26th: 19.1.0-rc1
Aug  6th: 19.1.0-rc2
Aug 20th: 19.1.0-rc3
Sep  3rd: 19.1.0 <--- XXX
Sep 17th: 19.1.1
Oct  1st: 19.1.2
Oct 15th: 19.1.3
Oct 29th: 19.1.4
Nov 12th: 19.1.5
Nov 26th: 19.1.6 (if necessary)

-Sedat-

[1] https://github.com/ClangBuiltLinux/linux/issues/2040

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