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(parent: d4e5268) | patch
x86,objtool: Explicitly mark idtentry_body()s tail REACHABLE
authorPeter Zijlstra <peterz@infradead.org>
Fri, 8 Apr 2022 09:45:56 +0000 (11:45 +0200)
committerPeter Zijlstra <peterz@infradead.org>
Tue, 19 Apr 2022 19:58:48 +0000 (21:58 +0200)
commitd66e9d50ea5cd76b2c4875c758efad665283d7ad
tree40e05c3bf3f9a9667f1dd324edb115f83c3a2da6tree | snapshot
parentd4e5268a08b211b536fed29beb24271ecd85187ecommit | diff
x86,objtool: Explicitly mark idtentry_body()s tail REACHABLE

Objtool can figure out that some \cfunc()s are noreturn and then
complains about certain instances having unreachable tails:

  vmlinux.o: warning: objtool: asm_exc_xen_unknown_trap()+0x16: unreachable instruction

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20220408094718.441854969@infradead.org
arch/x86/entry/entry_64.S diff | blob | history
Domain: System / Kernel;