diff options
| author | Peter Zijlstra <[email protected]> | 2014-09-02 11:40:16 +0200 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2014-09-10 11:45:04 +0200 |
| commit | caa17d49f9a5cc09b3bbb101dc640f914f3b4ff7 (patch) | |
| tree | 2699fb03886e3c72d792e25e6ddb1055f61ca0e4 | |
| parent | 560cb12a4080a48b84da8b96878cafbd193c4d64 (diff) | |
locking, sparc64: Fix atomics
The patch folding the atomic ops had a silly fail in the _return primitives.
Fixes: 4f3316c2b5fe ("locking,arch,sparc: Fold atomic_ops")
Reported-by: Guenter Roeck <[email protected]>
Tested-by: Guenter Roeck <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Stephen Rothwell <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | arch/sparc/lib/atomic_64.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/sparc/lib/atomic_64.S b/arch/sparc/lib/atomic_64.S index 96d70b4dbe77..05dac43907d1 100644 --- a/arch/sparc/lib/atomic_64.S +++ b/arch/sparc/lib/atomic_64.S @@ -37,7 +37,7 @@ ENTRY(atomic_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \ cas [%o1], %g1, %g7; \ cmp %g1, %g7; \ bne,pn %icc, BACKOFF_LABEL(2f, 1b); \ - add %g1, %o0, %g1; \ + op %g1, %o0, %g1; \ retl; \ sra %g1, 0, %o0; \ 2: BACKOFF_SPIN(%o2, %o3, 1b); \ @@ -76,7 +76,7 @@ ENTRY(atomic64_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \ bne,pn %xcc, BACKOFF_LABEL(2f, 1b); \ nop; \ retl; \ - add %g1, %o0, %o0; \ + op %g1, %o0, %o0; \ 2: BACKOFF_SPIN(%o2, %o3, 1b); \ ENDPROC(atomic64_##op##_return); |