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Tue, 3 Mar 2026 06:51:18 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at policy01-mors.netcup.net X-Spam-Flag: NO X-Spam-Score: -2.898 X-Spam-Level: Received: from mxe9fb.netcup.net (unknown [10.243.12.53]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by policy01-mors.netcup.net (Postfix) with ESMTPS id 4fQ4fr5rMyz8t4J; Tue, 3 Mar 2026 06:51:15 +0100 (CET) Received: from [IPV6:2a02:8108:8984:1d00:a0cf:1912:4be:477f] (unknown [IPv6:2a02:8108:8984:1d00:a0cf:1912:4be:477f]) by mxe9fb.netcup.net (Postfix) with ESMTPSA id CACDA6329E; Tue, 3 Mar 2026 06:51:14 +0100 (CET) Authentication-Results: mxe9fb; spf=pass (sender IP is 2a02:8108:8984:1d00:a0cf:1912:4be:477f) smtp.mailfrom=linux@leemhuis.info smtp.helo=[IPV6:2a02:8108:8984:1d00:a0cf:1912:4be:477f] Received-SPF: pass (mxe9fb: connection is authenticated) Message-ID: Date: Tue, 3 Mar 2026 06:51:14 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: -next build error due to "kbuild: Leave objtool binary around with 'make clean'" To: Nathan Chancellor , =?UTF-8?Q?Michal_Such=C3=A1nek?= Cc: Nicolas Schier , Josh Poimboeuf , Peter Zijlstra , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Rainer Fiebig , Linux Next Mailing List References: <20260227-avoid-objtool-binary-removal-clean-v1-1-122f3e55eae9@kernel.org> <03045f41-fe4c-44ff-b01c-6e325d82255a@leemhuis.info> <20260302204903.GA2007498@ax162> From: Thorsten Leemhuis Content-Language: de-DE, en-US Autocrypt: addr=linux@leemhuis.info; 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charset=UTF-8 Content-Transfer-Encoding: 8bit X-PPP-Message-ID: <177251707521.2147633.2558930100194810901@mxe9fb.netcup.net> X-Rspamd-Server: rspamd-worker-8404 X-Rspamd-Queue-Id: CACDA6329E X-NC-CID: 3KNLM+Upkk88ekiWwqt0aw1s4gKdNnbM4Me96bjrHwSdo85vu0M= On 3/2/26 21:49, Nathan Chancellor wrote: > On Mon, Mar 02, 2026 at 08:43:57PM +0100, Michal Suchánek wrote: >> On Mon, Mar 02, 2026 at 08:18:17PM +0100, Thorsten Leemhuis wrote: >>> On 2/28/26 06:40, Nathan Chancellor wrote: >>>> The difference between 'make clean' and 'make mrproper' is documented in >>>> 'make help' as: >>> [...] >>> Thx for fixing this regression, sadly this caused my daily -next rpm >>> builds for Fedora to fail on x86_64 during a "make mrproper": >>> >>> "" >>> kernel.spec:2485: InitBuildVars: Copy files >>> + /usr/bin/make -s 'HOSTCFLAGS=-O2 -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 ' 'HOSTLDFLAGS=-Wl,-z,relro -Wl,--as-needed -Wl,-z,pack-relative-relocs -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -Wl,--build-id=sha1 -specs=/usr/lib/rpm/redhat/redhat-package-notes ' -j32 mrproper >>> find: cannot delete ‘/builddir/build/BUILD/kernel-7.0.0-build/kernel-next-20260302/linux-7.0.0-0.0.next.20260302.121.vanilla.fc42.x86_64/tools/objtool/.check.o.cmd’: No such file or directory >>> find: cannot delete ‘/builddir/build/BUILD/kernel-7.0.0-build/kernel-next-20260302/linux-7.0.0-0.0.next.20260302.121.vanilla.fc42.x86_64/tools/objtool/.elf.o.cmd’: No such file or directory >>> [and many more like these] >>> "" >>> For the full build log, see: >>> https://download.copr.fedorainfracloud.org/results/@kernel-vanilla/next/fedora-42-x86_64/10183736-next-next-all/builder-live.log.gz > [...] >> Or does the objtool_clean run multiple times in parallel, once through >> the clean target, and once as dependency of the mrproper target? > > More than likely this based on my reading of the submake processes from > the build log. For what it's worth, I cannot reproduce this error on > either a really fast or really slow build machine but it should not be > hard to avoid by using 'xargs rm -f' like the rest of Kbuild does for > removing things, which should suppress the error if the file does not > exist. Thorsten, could you see if this diff makes a difference for you? Yeah, that makes things work again, thx! > If so, I'll squash it in with a note. Great, thx! Ciao, Thorsten > diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile > index 50d3e38e6137..76bcd4e85de3 100644 > --- a/tools/objtool/Makefile > +++ b/tools/objtool/Makefile > @@ -142,7 +142,7 @@ $(LIBSUBCMD)-clean: > $(Q)$(RM) -r -- $(LIBSUBCMD_OUTPUT) > > clean: $(LIBSUBCMD)-clean > - $(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete > + $(Q)find $(OUTPUT) \( -name '*.o' -o -name '\.*.cmd' -o -name '\.*.d' \) -type f -print | xargs $(RM) > $(Q)$(RM) $(OUTPUT)arch/x86/lib/cpu-feature-names.c $(OUTPUT)fixdep > $(Q)$(RM) $(OUTPUT)arch/x86/lib/inat-tables.c $(OUTPUT)fixdep > $(Q)$(RM) -- $(OUTPUT)FEATURE-DUMP.objtool