summaryrefslogtreecommitdiff
path: root/arch/arm64/include/asm/atomic_ll_sc.h
diff options
context:
space:
mode:
authorMark Rutland <mark.rutland@arm.com>2015-08-04 17:27:34 +0100
committerWill Deacon <will.deacon@arm.com>2015-08-04 18:51:04 +0100
commit7f08a414f29e7daea661d03231998625257ed3f1 (patch)
tree568dc0dce2d1185cfc972ea3e3a10831189fb86d /arch/arm64/include/asm/atomic_ll_sc.h
parent97942c2862d74689b6241802f2aa43972042389f (diff)
downloadlinux-7f08a414f29e7daea661d03231998625257ed3f1.tar.gz
arm64: make ll/sc __cmpxchg_case_##name asm consistent
The ll/sc __cmpxchg_case_##name assembly mostly uses symbolic names for operands, but in a single case uses %2 to refer to what is otherwise known as %[v]. This makes the code more painful to read than is necessary. Use %[v] instead. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/atomic_ll_sc.h')
-rw-r--r--arch/arm64/include/asm/atomic_ll_sc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/atomic_ll_sc.h b/arch/arm64/include/asm/atomic_ll_sc.h
index 6671978e60fe..b3b5c4ae3800 100644
--- a/arch/arm64/include/asm/atomic_ll_sc.h
+++ b/arch/arm64/include/asm/atomic_ll_sc.h
@@ -181,7 +181,7 @@ __LL_SC_PREFIX(__cmpxchg_case_##name(volatile void *ptr, \
unsigned long tmp, oldval; \
\
asm volatile( \
- " prfm pstl1strm, %2\n" \
+ " prfm pstl1strm, %[v]\n" \
"1: ldxr" #sz "\t%" #w "[oldval], %[v]\n" \
" eor %" #w "[tmp], %" #w "[oldval], %" #w "[old]\n" \
" cbnz %" #w "[tmp], 2f\n" \