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objtool: Set insn->func for alternatives 

In preparation of function attributes, we need each instruction to
have a valid link back to its function.

Therefore make sure we set the function association for alternative
instruction sequences; they are, after all, still part of the function.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra 2019-02-25 10:31:24 +01:00 committed by Ingo Molnar
parent 40ea97290b
commit a4d09dde90
1 changed files with 1 additions and 0 deletions
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1
tools/objtool/check.c
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@ -695,6 +695,7 @@ static int handle_group_alt(struct objtool_file *file,
last_new_insn = insn;
insn->ignore = orig_insn->ignore_alts;
insn->func = orig_insn->func;
if (insn->type != INSN_JUMP_CONDITIONAL &&
insn->type != INSN_JUMP_UNCONDITIONAL)