From: Markos Chandras <markos.chandras@xxxxxxxxxx>
This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.
===============
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 <markos.chandras@xxxxxxxxxx>
Cc: linux-mips@xxxxxxxxxxxxxx
Patchwork: https://patchwork.linux-mips.org/patch/8117/
Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
arch/mips/include/asm/ftrace.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/mips/include/asm/ftrace.h b/arch/mips/include/asm/ftrace.h
index ce35c9af0c28..370ae7cc588a 100644
--- a/arch/mips/include/asm/ftrace.h
+++ b/arch/mips/include/asm/ftrace.h
@@ -24,7 +24,7 @@ do { \
asm volatile ( \
"1: " load " %[" STR(dst) "], 0(%[" STR(src) "])\n"\
" li %[" STR(error) "], 0\n" \
- "2:\n" \
+ "2: .insn\n" \
\
".section .fixup, \"ax\"\n" \
"3: li %[" STR(error) "], 1\n" \
@@ -46,7 +46,7 @@ do { \
asm volatile ( \
"1: " store " %[" STR(src) "], 0(%[" STR(dst) "])\n"\
" li %[" STR(error) "], 0\n" \
- "2:\n" \
+ "2: .insn\n" \
\
".section .fixup, \"ax\"\n" \
"3: li %[" STR(error) "], 1\n" \
--
2.1.3
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