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| author | Jose E. Marchesi <jose.marchesi@oracle.com> | 2014-05-17 11:20:27 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-05-17 17:18:51 -0400 |
| commit | 8c19f86e356cd28180eb199f07670de5f32f82b9 (patch) | |
| tree | 7400d6d0f6b88844d87a27f3c419dd6c60bb90d4 | |
| parent | 38736fdf39351c807caffcce75e2f89196889e42 (diff) | |
| download | glibc-8c19f86e356cd28180eb199f07670de5f32f82b9.tar.gz glibc-8c19f86e356cd28180eb199f07670de5f32f82b9.tar.xz glibc-8c19f86e356cd28180eb199f07670de5f32f82b9.zip | |
Fix sparc memcpy data corruption when using niagara2 optimized routines.
* sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S: Add missing membar to avoid block loads/stores to overlap previous stores.
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | NEWS | 2 | ||||
| -rw-r--r-- | sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S | 1 |
3 files changed, 8 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index 7e235ac392..ef667cc9b9 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2014-05-17 Jose E. Marchesi <jose.marchesi@oracle.com> + + [BZ #16958] + * sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S: Add missing + membar to avoid block loads/stores to overlap previous stores. + 2014-05-16 Aurelien Jarno <aurelien@aurel32.net> [BZ #16943] diff --git a/NEWS b/NEWS index 7703b6ee1c..9ab955a301 100644 --- a/NEWS +++ b/NEWS @@ -8,7 +8,7 @@ using `glibc' in the "product" field. Version 2.17.1 * The following bugs are resolved with this release: - 15003, 15006, 15073, 15122, 15759, 16510, 16885, 16916, 16943. + 15003, 15006, 15073, 15122, 15759, 16510, 16885, 16916, 16943, 16958. Version 2.17 diff --git a/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S b/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S index fb815e5e57..93f87f7390 100644 --- a/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S +++ b/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S @@ -211,6 +211,7 @@ ENTRY(__memcpy_niagara2) */ VISEntryHalf + membar #Sync alignaddr %o1, %g0, %g0 add %o1, (64 - 1), %o4 |