objtool: Add a comment for the unreachable annotation macros

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Add a comment for the unreachable annotation macros to explain their
purpose and the '__COUNTER__' label hack.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1570e48d9f87e0fc6f0126c32e7e1de6e109cb67.1509974104.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Josh Poimboeuf 2017-11-06 07:17:37 -06:00 • committed by Ingo Molnar

parent 783711f0d2

commit d0c2e691d1

1 changed files with 5 additions and 0 deletions

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include/linux/compiler.h

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