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authorndesaulniers@google.com <ndesaulniers@google.com>2018-10-15 10:22:21 -0700
committerMiguel Ojeda <miguel.ojeda.sandonis@gmail.com>2018-10-19 08:47:14 +0200
commitfe0640eb30b7da261ae84d252ed9ed3c7e68dfd8 (patch)
tree60b6fe584227bfc65fcc7ec15e9ab251716b1c2a /fs/afs/cmservice.c
parentCompiler Attributes: ext4: remove local __nonstring definition (diff)
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compiler.h: update definition of unreachable()
Fixes the objtool warning seen with Clang: arch/x86/mm/fault.o: warning: objtool: no_context()+0x220: unreachable instruction Fixes commit 815f0ddb346c ("include/linux/compiler*.h: make compiler-*.h mutually exclusive") Josh noted that the fallback definition was meant to work around a pre-gcc-4.6 bug. GCC still needs to work around https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82365, so compiler-gcc.h defines its own version of unreachable(). Clang and ICC can use this shared definition. Link: https://github.com/ClangBuiltLinux/linux/issues/204 Suggested-by: Andy Lutomirski <luto@amacapital.net> Suggested-by: Josh Poimboeuf <jpoimboe@redhat.com> Tested-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
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