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Tue, 16 Jun 2026 06:13:49 -0400 (EDT) Date: Tue, 16 Jun 2026 15:42:45 +0530 From: Greg KH To: Florian Fainelli Cc: stable@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , Ian Rogers , Jiri Olsa , Namhyung Kim , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Nathan Chancellor , Nick Desaulniers , Tom Rix , "open list:PERFORMANCE EVENTS SUBSYSTEM" , "open list:PERFORMANCE EVENTS SUBSYSTEM" , "open list:BPF [MISC]" , "open list:CLANG/LLVM BUILD SUPPORT" , bcm-kernel-feedback-list@broadcom.com Subject: Re: [PATCH stable 6.1 v2 5/5] perf build: Remove -Wno-unused-but-set-variable from the flex flags when building with clang < 13.0.0 Message-ID: <2026061639-curfew-hexagon-386b@gregkh> References: <20260520163320.3073037-1-florian.fainelli@broadcom.com> <20260520163320.3073037-6-florian.fainelli@broadcom.com> <6541a5f4-a150-44b9-af27-8712cdafc1ae@broadcom.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6541a5f4-a150-44b9-af27-8712cdafc1ae@broadcom.com> On Wed, May 20, 2026 at 09:35:02AM -0700, Florian Fainelli wrote: > On 5/20/26 09:33, Florian Fainelli wrote: > > From: Arnaldo Carvalho de Melo > > > > clang < 13.0.0 doesn't grok -Wno-unused-but-set-variable, so just remove > > it to avoid: > > > > error: unknown warning option '-Wno-unused-but-set-variable'; did you mean '-Wno-unused-const-variable'? [-Werror,-Wunknown-warning-option] > > make[4]: *** [/git/perf-6.5.0-rc4/tools/build/Makefile.build:128: /tmp/build/perf/util/pmu-flex.o] Error 1 > > make[4]: *** Waiting for unfinished jobs.... > > > > Fixes: ddc8e4c966923ad1 ("perf build: Disable fewer bison warnings") > > Cc: Adrian Hunter > > Cc: Ian Rogers > > Cc: Jiri Olsa > > Cc: Namhyung Kim > > Link: https://lore.kernel.org/lkml/ZNUSWr52jUnVaaa%2F@kernel.org/ > > Signed-off-by: Arnaldo Carvalho de Melo > > Signed-off-by: Florian Fainelli > > Change-Id: I8db8a372d1e83d26fbe8beda2bcf4d1a871a2b80 > > Argh, sorry the Change-Id snuck in there, let me know if you need me to > resubmit. I got it, no worries.