linux-kernel - [PATCH] objtool: remove workaround for unreachable warnings from old GCC

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Message-Id: <1535341183-19994-1-git-send-email-yamada.masahiro@socionext.com>
Date:   Mon, 27 Aug 2018 12:39:43 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Ingo Molnar <mingo@...hat.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>, x86@...nel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org
Subject: [PATCH] objtool: remove workaround for unreachable warnings from old GCC

Commit cafa0010cd51 ("Raise the minimum required gcc version to 4.6")
bumped the minimum GCC version to 4.6 for all architectures.

This effectively reverts commit da541b20021c ("objtool: Skip
unreachable warnings for GCC 4.4 and older"), which was a workaround
for GCC 4.4 or older.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 scripts/Makefile.build | 2 --
 1 file changed, 2 deletions(-)

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 1c48572..5a2d1c9 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -246,8 +246,6 @@ objtool_args += --no-fp
 endif
 ifdef CONFIG_GCOV_KERNEL
 objtool_args += --no-unreachable
-else
-objtool_args += $(call cc-ifversion, -lt, 0405, --no-unreachable)
 endif
 ifdef CONFIG_RETPOLINE
 ifneq ($(RETPOLINE_CFLAGS),)
-- 
2.7.4