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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 17:20:58 -0400 |
| commit | f2b605ed8882a922c403386b2af7e7a5eecbf39f (patch) | |
| tree | c675b3b1d795e1211e6c699d5c599b4916a5ab66 | |
| parent | d56700df46977b14e9fe54201132fed04475cd03 (diff) | |
| download | glibc-f2b605ed8882a922c403386b2af7e7a5eecbf39f.tar.gz glibc-f2b605ed8882a922c403386b2af7e7a5eecbf39f.tar.xz glibc-f2b605ed8882a922c403386b2af7e7a5eecbf39f.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 f008fb468d..2a14ec2399 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 482561767f..4cbe73644e 100644 --- a/NEWS +++ b/NEWS @@ -10,7 +10,7 @@ Version 2.18.1 * The following bugs are resolved with this release: 15073, 15128, 15909, 15996, 16150, 16169, 16387, 16510, 16885, 16916, - 16943. + 16943, 16958. Version 2.18 diff --git a/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S b/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S index 594405051f..63ba0811d0 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 |