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Message-ID: <ZseBZ1DIi4Y5zC2W@x1>
Date: Thu, 22 Aug 2024 15:20:23 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Namhyung Kim <namhyung@...nel.org>
Cc: sedat.dilek@...il.com, 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 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

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