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From:   Sathvika Vasireddy <sv@linux.ibm.com>
To:     linuxppc-dev@lists.ozlabs.org
Cc:     jpoimboe@redhat.com, peterz@infradead.org,
        linux-kernel@vger.kernel.org, aik@ozlabs.ru, mpe@ellerman.id.au,
        mingo@redhat.com, christophe.leroy@csgroup.eu, rostedt@goodmis.org,
        mbenes@suse.cz, npiggin@gmail.com, chenzhongjin@huawei.com,
        naveen.n.rao@linux.vnet.ibm.com, sv@linux.ibm.com
Subject: [PATCH v2 05/16] powerpc: Skip objtool from running on drivers/crypto/vmx/aesp8-ppc.o
Date:   Mon, 29 Aug 2022 11:22:12 +0530
Message-Id: <20220829055223.24767-6-sv@linux.ibm.com>
In-Reply-To: <20220829055223.24767-1-sv@linux.ibm.com>
References: <20220829055223.24767-1-sv@linux.ibm.com>
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With objtool enabled, below warnings are seen when trying to build:

drivers/crypto/vmx/aesp8-ppc.o: warning: objtool: aes_p8_set_encrypt_key+0x44: unannotated intra-function call

drivers/crypto/vmx/aesp8-ppc.o: warning: objtool: .text+0x2448: unannotated intra-function call

drivers/crypto/vmx/aesp8-ppc.o: warning: objtool: .text+0x2d68: unannotated intra-function call

Skip objtool from running on this file, for two main reasons:

Since this file comes from OpenSSL, and since it is a perl file
which generates a .S file, it may not be the best choice to
make too many code changes to such files, unless absolutely
necessary.

Second reason is that, at least as far as the objtool --mcount
functionality is concerned, we do not have to run objtool on
that file because that file does not have any calls to _mcount.

Signed-off-by: Sathvika Vasireddy <sv@linux.ibm.com>
---
 drivers/crypto/vmx/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/crypto/vmx/Makefile b/drivers/crypto/vmx/Makefile
index 2560cfea1dec..7b41f0da6807 100644
--- a/drivers/crypto/vmx/Makefile
+++ b/drivers/crypto/vmx/Makefile
@@ -9,3 +9,5 @@ targets += aesp8-ppc.S ghashp8-ppc.S
 
 $(obj)/aesp8-ppc.S $(obj)/ghashp8-ppc.S: $(obj)/%.S: $(src)/%.pl FORCE
 	$(call if_changed,perl)
+
+OBJECT_FILES_NON_STANDARD_aesp8-ppc.o := y
-- 
2.31.1