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From: Sathvika Vasireddy <sv@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: peterz@infradead.org, linux-kernel@vger.kernel.org,
	aik@ozlabs.ru, mingo@redhat.com, sv@linux.ibm.com,
	rostedt@goodmis.org, jpoimboe@redhat.com, paulus@samba.org,
	naveen.n.rao@linux.vnet.ibm.com, mbenes@suse.cz
Subject: [RFC PATCH v3 06/12] objtool: Read special sections with alts only when specific options are selected
Date: Sat, 25 Jun 2022 00:02:32 +0530	[thread overview]
Message-ID: <20220624183238.388144-7-sv@linux.ibm.com> (raw)
In-Reply-To: <20220624183238.388144-1-sv@linux.ibm.com>

This patch reads special sections which have alternate
instructions, only when stackval or orc or uaccess or
noinstr options are passed to objtool.

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 7f0dc504dd92..98e869721bc4 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -2261,9 +2261,11 @@ 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)
-- 
2.25.1


  parent reply	other threads:[~2022-06-24 18:37 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-24 18:32 [RFC PATCH v3 00/12] objtool: Enable and implement --mcount option on powerpc Sathvika Vasireddy
2022-06-24 18:32 ` [RFC PATCH v3 01/12] objtool: Fix SEGFAULT Sathvika Vasireddy
2022-07-08 15:10   ` Christophe Leroy
2022-06-24 18:32 ` [RFC PATCH v3 02/12] objtool: Use target file endianness instead of a compiled constant Sathvika Vasireddy
2022-06-24 18:32 ` [RFC PATCH v3 03/12] objtool: Use target file class size " Sathvika Vasireddy
2022-07-08 17:35   ` Christophe Leroy
2022-06-24 18:32 ` [RFC PATCH v3 04/12] objtool: Add --mnop as an option to --mcount Sathvika Vasireddy
2022-06-24 18:32 ` [RFC PATCH v3 05/12] powerpc: Skip objtool from running on VDSO files Sathvika Vasireddy
2022-06-24 18:32 ` Sathvika Vasireddy [this message]
2022-06-24 18:32 ` [RFC PATCH v3 07/12] objtool: Use macros to define arch specific reloc types Sathvika Vasireddy
2022-07-04 11:14   ` Peter Zijlstra
2022-07-04 15:53     ` Christophe Leroy
2022-07-04 16:18       ` Peter Zijlstra
2022-06-24 18:32 ` [RFC PATCH v3 08/12] objtool: Add arch specific function arch_ftrace_match() Sathvika Vasireddy
2022-06-24 18:32 ` [RFC PATCH v3 09/12] objtool/powerpc: Enable objtool to be built on ppc Sathvika Vasireddy
2022-06-24 18:32 ` [RFC PATCH v3 10/12] objtool/powerpc: Add --mcount specific implementation Sathvika Vasireddy
2022-06-24 18:32 ` [RFC PATCH v3 11/12] powerpc: Remove unreachable() from WARN_ON() Sathvika Vasireddy
2022-06-25  6:46   ` Christophe Leroy
2022-06-27 15:21     ` Sathvika Vasireddy
2022-06-27 15:35     ` Sathvika Vasireddy
2022-06-27 15:46       ` Christophe Leroy
2022-06-29 18:30       ` Christophe Leroy
2022-06-30  8:05         ` Naveen N. Rao
2022-06-30  9:58           ` Christophe Leroy
2022-06-30 10:33             ` Christophe Leroy
2022-06-30 10:37             ` Naveen N. Rao
2022-06-30 15:58               ` Segher Boessenkool
2022-07-04 12:01                 ` Peter Zijlstra
2022-07-04 11:43               ` Peter Zijlstra
2022-07-01  2:13           ` Chen Zhongjin
2022-07-01  6:56             ` Sathvika Vasireddy
2022-07-01 11:40               ` [RFC PATCH v3 11/12] powerpc: Remove unreachable() from WARN_ON() (gcc issue ?) Christophe Leroy
2022-07-04 11:45         ` [RFC PATCH v3 11/12] powerpc: Remove unreachable() from WARN_ON() Peter Zijlstra
2022-07-04 12:34           ` Christophe Leroy
2022-07-05 15:48             ` Segher Boessenkool
2022-07-04 12:05     ` Peter Zijlstra
2022-07-04 12:44       ` Christophe Leroy
2022-07-04 14:19         ` Peter Zijlstra
2022-06-24 18:32 ` [RFC PATCH v3 12/12] objtool/powerpc: Fix unannotated intra-function call warnings Sathvika Vasireddy
2022-07-08 15:06 ` [RFC PATCH v3 00/12] objtool: Enable and implement --mcount option on powerpc Christophe Leroy
2022-07-08 15:42   ` Christophe Leroy

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