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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 17:22:29 -0400 |
| commit | 9e6dad45f730560cc85fdb828fd85d49b953d623 (patch) | |
| tree | 6955cea2cc69f1334c268718275cd3de5944e40a | |
| parent | 1f2d5b7d006bb5a85538750328dee160058cdbca (diff) | |
| download | glibc-9e6dad45f730560cc85fdb828fd85d49b953d623.tar.gz | |
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
@@ -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. + 2014-05-13 Sami Kerola <kerolasa@iki.fi> * timezone/Makefile ($(objpfx)tzselect): Use zonedir instead @@ -9,7 +9,7 @@ Version 2.19.1 * The following bugs are resolved with this release: - 16545, 16623, 16885, 16916, 16943. + 16545, 16623, 16885, 16916, 16943, 16958. Version 2.19 diff --git a/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S b/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S index b43a9e3e53..a1a9642bd8 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 |