diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2007-02-21 10:55:15 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-02-21 10:55:15 +0100 |
| commit | 6c732de2d3673e28c6a976c98ee6ba4d197a919a (patch) | |
| tree | 759b9e1d5a1a8ac33dee9ad5eb670ff99cb2d5ea /block | |
| 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>
Diffstat (limited to 'block')
0 files changed, 0 insertions, 0 deletions