linux-kernel - [PATCH v2 23/23] objtool: Remove .fixup handling

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Date:   Wed, 10 Nov 2021 11:01:25 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     x86@...nel.org
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org,
        jpoimboe@...hat.com, mark.rutland@....com, dvyukov@...gle.com,
        seanjc@...gle.com, pbonzini@...hat.com, mbenes@...e.cz
Subject: [PATCH v2 23/23] objtool: Remove .fixup handling

The .fixup has gone the way of the Dodo, that test will always be
false.

Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
---
 tools/objtool/check.c |    8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -3296,14 +3296,10 @@ static bool ignore_unreachable_insn(stru
 		return true;
 
 	/*
-	 * Ignore any unused exceptions.  This can happen when a whitelisted
-	 * function has an exception table entry.
-	 *
-	 * Also ignore alternative replacement instructions.  This can happen
+	 * Ignore alternative replacement instructions.  This can happen
 	 * when a whitelisted function uses one of the ALTERNATIVE macros.
 	 */
-	if (!strcmp(insn->sec->name, ".fixup") ||
-	    !strcmp(insn->sec->name, ".altinstr_replacement") ||
+	if (!strcmp(insn->sec->name, ".altinstr_replacement") ||
 	    !strcmp(insn->sec->name, ".altinstr_aux"))
 		return true;