This is a note to let you know that I've just added the patch titled
arm64: errata: use KBUILD_CFLAGS_MODULE for erratum #843419
to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm64-errata-use-kbuild_cflags_module-for-erratum-843419.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From b6dd8e0719c0d2d01429639a11b7bc2677de240c Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@xxxxxxx>
Date: Thu, 8 Oct 2015 11:11:17 +0100
Subject: arm64: errata: use KBUILD_CFLAGS_MODULE for erratum #843419
From: Will Deacon <will.deacon@xxxxxxx>
commit b6dd8e0719c0d2d01429639a11b7bc2677de240c upstream.
Commit df057cc7b4fa ("arm64: errata: add module build workaround for
erratum #843419") sets CFLAGS_MODULE to ensure that the large memory
model is used by the compiler when building kernel modules.
However, CFLAGS_MODULE is an environment variable and intended to be
overridden on the command line, which appears to be the case with the
Ubuntu kernel packaging system, so use KBUILD_CFLAGS_MODULE instead.
Cc: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Fixes: df057cc7b4fa ("arm64: errata: add module build workaround for erratum #843419")
Reported-by: Dann Frazier <dann.frazier@xxxxxxxxxxxxx>
Tested-by: Dann Frazier <dann.frazier@xxxxxxxxxxxxx>
Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm64/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -31,7 +31,7 @@ endif
CHECKFLAGS += -D__aarch64__
ifeq ($(CONFIG_ARM64_ERRATUM_843419), y)
-CFLAGS_MODULE += -mcmodel=large
+KBUILD_CFLAGS_MODULE += -mcmodel=large
endif
# Default value
Patches currently in stable-queue which might be from will.deacon@xxxxxxx are
queue-4.1/arm64-errata-use-kbuild_cflags_module-for-erratum-843419.patch
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