| commit | 6c732de2d3673e28c6a976c98ee6ba4d197a919a | [log] [tgz] |
|---|---|---|
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | Wed Feb 21 10:55:15 2007 +0100 |
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | Wed Feb 21 10:55:15 2007 +0100 |
| tree | 759b9e1d5a1a8ac33dee9ad5eb670ff99cb2d5ea | |
| parent | 118bcd31b309d12638f67729d5d96d4974750249 [diff] |
[S390] etr: Add barrier() to etr_sync_cpu_start(). Force reading of *in_sync in while loop. Loops where the content that is checked for is changed by a different cpu always should have some sort of barrier() semantics. Otherwise this might lead to very subtle bugs. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>