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| author | Mark Rutland <mark.rutland@arm.com> | 2015-08-04 19:27:34 +0300 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2015-08-04 20:51:04 +0300 |
| commit | 7f08a414f29e7daea661d03231998625257ed3f1 (patch) | |
| tree | 568dc0dce2d1185cfc972ea3e3a10831189fb86d | |
| parent | 97942c2862d74689b6241802f2aa43972042389f (diff) | |
| download | linux-7f08a414f29e7daea661d03231998625257ed3f1.tar.xz | |
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>
| -rw-r--r-- | arch/arm64/include/asm/atomic_ll_sc.h | 2 |
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" \ |