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Date: Mon, 22 Aug 2022 10:12:12 -0300 From: Arnaldo Carvalho de Melo <acme@...nel.org> To: Nick Desaulniers <ndesaulniers@...gle.com> Cc: Borislav Petkov <bp@...e.de>, Masahiro Yamada <masahiroy@...nel.org>, Alexei Starovoitov <alexei.starovoitov@...il.com>, Nick Desaulniers <ndesaulniers@...gle.com>, Ingo Molnar <mingo@...nel.org>, Nathan Chancellor <nathan@...nel.org>, Alexandre Belloni <alexandre.belloni@...tlin.com>, Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: [tools/ breakage] asm goto: eradicate CC_HAS_ASM_GOTO Hey, The cset below broke tools/perf/, please either not update tools/ headers (tools developers will notice the difference when building tools by means of tools/perf/check-headers.sh and see what is needed to keep it in sync) or do a 'make tools/all'. Someone seems to have sent a fix, I'll take a look. - Arnaldo asm goto: eradicate CC_HAS_ASM_GOTO GCC has supported asm goto since 4.5, and Clang has since version 9.0.0. The minimum supported versions of these tools for the build according to Documentation/process/changes.rst are 5.1 and 11.0.0 respectively. Remove the feature detection script, Kconfig option, and clean up some fallback code that is no longer supported. The removed script was also testing for a GCC specific bug that was fixed in the 4.7 release. Also remove workarounds for bpftrace using clang older than 9.0.0, since other BPF backend fixes are required at this point. Link: https://lore.kernel.org/lkml/CAK7LNATSr=BXKfkdW8f-H5VT_w=xBpT2ZQcZ7rm6JfkdE+QnmA@mail.gmail.com/ Link: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48637 Acked-by: Borislav Petkov <bp@...e.de> Suggested-by: Masahiro Yamada <masahiroy@...nel.org> Suggested-by: Alexei Starovoitov <alexei.starovoitov@...il.com> Signed-off-by: Nick Desaulniers <ndesaulniers@...gle.com> Reviewed-by: Ingo Molnar <mingo@...nel.org> Reviewed-by: Nathan Chancellor <nathan@...nel.org> Reviewed-by: Alexandre Belloni <alexandre.belloni@...tlin.com> Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
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