From mboxrd@z Thu Jan 1 00:00:00 1970 From: samitolvanen@google.com (Sami Tolvanen) Date: Wed, 15 Nov 2017 13:34:19 -0800 Subject: [PATCH v2 09/18] arm64: explicitly pass --no-fix-cortex-a53-843419 to GNU gold In-Reply-To: <20171115213428.22559-1-samitolvanen@google.com> References: <20171115213428.22559-1-samitolvanen@google.com> Message-ID: <20171115213428.22559-10-samitolvanen@google.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Some versions of GNU gold are known to produce broken code with --fix-cortex-a53-843419 as explained in this bug: https://sourceware.org/bugzilla/show_bug.cgi?id=21491 If ARM64_ERRATUM_843419 is disabled and we're using GNU gold, pass --no-fix-cortex-a53-843419 to the linker to ensure the erratum fix is not used even if the linker is configured to enable it by default. Signed-off-by: Sami Tolvanen --- arch/arm64/Makefile | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 6059c8169513..ca700b201736 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -30,6 +30,11 @@ LDFLAGS_vmlinux += --fix-cortex-a53-843419 endif endif +ifeq ($(CONFIG_ARM64_ERRATUM_843419),) +# https://sourceware.org/bugzilla/show_bug.cgi?id=21491 +LDFLAGS_GOLD += --no-fix-cortex-a53-843419 +endif + KBUILD_DEFCONFIG := defconfig # Check for binutils support for specific extensions -- 2.15.0.448.gf294e3d99a-goog