This is a note to let you know that I've just added the patch titled
MIPS: ftrace: Fix a microMIPS build problem
to the 3.17-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:
mips-ftrace-fix-a-micromips-build-problem.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From aedd153f5bb5b1f1d6d9142014f521ae2ec294cc Mon Sep 17 00:00:00 2001
From: Markos Chandras <[email protected]>
Date: Mon, 20 Oct 2014 09:39:31 +0100
Subject: MIPS: ftrace: Fix a microMIPS build problem
From: Markos Chandras <[email protected]>
commit aedd153f5bb5b1f1d6d9142014f521ae2ec294cc upstream.
Code before the .fixup section needs to have the .insn directive.
This has no side effects on MIPS32/64 but it affects the way microMIPS
loads the address for the return label.
Fixes the following build problem:
mips-linux-gnu-ld: arch/mips/built-in.o: .fixup+0x4a0: Unsupported jump between
ISA modes; consider recompiling with interlinking enabled.
mips-linux-gnu-ld: final link failed: Bad value
Makefile:819: recipe for target 'vmlinux' failed
The fix is similar to 1658f914ff91c3bf ("MIPS: microMIPS:
Disable LL/SC and fix linker bug.")
Signed-off-by: Markos Chandras <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/8117/
Signed-off-by: Ralf Baechle <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/mips/include/asm/ftrace.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/mips/include/asm/ftrace.h
+++ b/arch/mips/include/asm/ftrace.h
@@ -24,7 +24,7 @@ do { \
asm volatile ( \
"1: " load " %[tmp_dst], 0(%[tmp_src])\n" \
" li %[tmp_err], 0\n" \
- "2:\n" \
+ "2: .insn\n" \
\
".section .fixup, \"ax\"\n" \
"3: li %[tmp_err], 1\n" \
@@ -46,7 +46,7 @@ do { \
asm volatile ( \
"1: " store " %[tmp_src], 0(%[tmp_dst])\n"\
" li %[tmp_err], 0\n" \
- "2:\n" \
+ "2: .insn\n" \
\
".section .fixup, \"ax\"\n" \
"3: li %[tmp_err], 1\n" \
Patches currently in stable-queue which might be from
[email protected] are
queue-3.17/mips-ftrace-fix-a-micromips-build-problem.patch
queue-3.17/mips-cp1emu-fix-isa-restrictions-for-cop1x_op-instructions.patch
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