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From: Sathvika Vasireddy <sv@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: peterz@infradead.org, npiggin@gmail.com,
	linux-kernel@vger.kernel.org, aik@ozlabs.ru, mingo@redhat.com,
	sv@linux.ibm.com, rostedt@goodmis.org, jpoimboe@redhat.com,
	naveen.n.rao@linux.vnet.ibm.com, mbenes@suse.cz,
	chenzhongjin@huawei.com
Subject: [PATCH v6 12/16] objtool: Read special sections with alts only when specific options are selected
Date: Mon, 14 Nov 2022 23:27:50 +0530	[thread overview]
Message-ID: <20221114175754.1131267-13-sv@linux.ibm.com> (raw)
In-Reply-To: <20221114175754.1131267-1-sv@linux.ibm.com>

Call add_special_section_alts() only when stackval or orc or uaccess or
noinstr options are passed to objtool.

Tested-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Reviewed-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Sathvika Vasireddy <sv@linux.ibm.com>
---
 tools/objtool/check.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 71cf4b4ba1da..752a6ffd5c4c 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -2392,9 +2392,11 @@ static int decode_sections(struct objtool_file *file)
 	 * Must be before add_jump_destinations(), which depends on 'func'
 	 * being set for alternatives, to enable proper sibling call detection.
 	 */
-	ret = add_special_section_alts(file);
-	if (ret)
-		return ret;
+	if (opts.stackval || opts.orc || opts.uaccess || opts.noinstr) {
+		ret = add_special_section_alts(file);
+		if (ret)
+			return ret;
+	}
 
 	ret = add_jump_destinations(file);
 	if (ret)
-- 
2.31.1


  parent reply	other threads:[~2022-11-14 18:10 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-14 17:57 [PATCH v6 00/16] objtool: Enable and implement --mcount option on powerpc Sathvika Vasireddy
2022-11-14 17:57 ` [PATCH v6 01/16] powerpc: Fix __WARN_FLAGS() for use with Objtool Sathvika Vasireddy
2022-11-14 17:57 ` [PATCH v6 02/16] powerpc: Override __ALIGN and __ALIGN_STR macros Sathvika Vasireddy
2022-11-14 17:57 ` [PATCH v6 03/16] powerpc: Fix objtool unannotated intra-function call warnings Sathvika Vasireddy
2022-11-14 17:57 ` [PATCH v6 04/16] powerpc: Curb " Sathvika Vasireddy
2022-11-14 17:57 ` [PATCH v6 05/16] powerpc: Skip objtool from running on drivers/crypto/vmx/aesp8-ppc.o Sathvika Vasireddy
2022-11-14 17:57 ` [PATCH v6 06/16] powerpc: Fix objtool unannotated intra-function call warnings on PPC32 Sathvika Vasireddy
2022-11-14 17:57 ` [PATCH v6 07/16] powerpc: Skip objtool from running on VDSO files Sathvika Vasireddy
2022-11-14 17:57 ` [PATCH v6 08/16] objtool: Fix SEGFAULT Sathvika Vasireddy
2022-11-14 17:57 ` [PATCH v6 09/16] objtool: Use target file endianness instead of a compiled constant Sathvika Vasireddy
2022-11-14 17:57 ` [PATCH v6 10/16] objtool: Use target file class size " Sathvika Vasireddy
2022-11-14 17:57 ` [PATCH v6 11/16] objtool: Add --mnop as an option to --mcount Sathvika Vasireddy
2022-11-14 17:57 ` Sathvika Vasireddy [this message]
2022-11-14 17:57 ` [PATCH v6 13/16] objtool: Use macros to define arch specific reloc types Sathvika Vasireddy
2022-11-14 17:57 ` [PATCH v6 14/16] objtool: Add arch specific function arch_ftrace_match() Sathvika Vasireddy
2022-11-14 17:57 ` [PATCH v6 15/16] objtool/powerpc: Enable objtool to be built on ppc Sathvika Vasireddy
2022-11-14 17:57 ` [PATCH v6 16/16] objtool/powerpc: Add --mcount specific implementation Sathvika Vasireddy
2022-12-08 13:02 ` [PATCH v6 00/16] objtool: Enable and implement --mcount option on powerpc Michael Ellerman

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