linux-kernel - [PATCH] powerpc/Makefile: Remove workaround for gcc versions below 4.9

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Date:   Wed, 10 Mar 2021 12:43:12 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH] powerpc/Makefile: Remove workaround for gcc versions below
 4.9

Commit 6ec4476ac825 ("Raise gcc version requirement to 4.9")
made it impossible to build with gcc 4.8 and under.

Remove related workaround.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/Makefile | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 5f8544cf724a..32dd693b4e42 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -181,12 +181,6 @@ CC_FLAGS_FTRACE := -pg
 ifdef CONFIG_MPROFILE_KERNEL
 CC_FLAGS_FTRACE += -mprofile-kernel
 endif
-# Work around gcc code-gen bugs with -pg / -fno-omit-frame-pointer in gcc <= 4.8
-# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44199
-# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52828
-ifndef CONFIG_CC_IS_CLANG
-CC_FLAGS_FTRACE	+= $(call cc-ifversion, -lt, 0409, -mno-sched-epilog)
-endif
 endif
 
 CFLAGS-$(CONFIG_TARGET_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_TARGET_CPU))
-- 
2.25.0