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| author |   Cliff Wickman <cpw@sgi.com> | 2010-06-02 16:22:02 -0500 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2010-06-08 21:13:46 +0200 |
| commit | 39847e7f3c8198b14102fe7ba4b3a6a1d84bbcfe (patch) | |
| tree | 18d8b66fc06c036f516978a4826d75c0cc1a7676 /kernel/mutex.c | |
| parent | x86, UV: BAU structure rearranging (diff) | |
| download | linux-dev-39847e7f3c8198b14102fe7ba4b3a6a1d84bbcfe.tar.xz linux-dev-39847e7f3c8198b14102fe7ba4b3a6a1d84bbcfe.zip | |
x86, UV: Correct BAU software acknowledge
Correct the acknowledgment and the reset of a BAU
software-acknowledged message.
A retry message should be testing only for timed-out resources
(mask << 8). (And we delete a log message that might cause
unnecessary concern) The acknowledge MMR is
|--timed-out--|---pending--|, each is 8 bits.
The IPI-driven reset of software acknowledge resources frees
both timed out and pending resources.
Signed-off-by: Cliff Wickman <cpw@sgi.com>
Cc: gregkh@suse.de
LKML-Reference: <E1OJvNy-0004aP-7O@eag09.americas.sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/mutex.c')
0 files changed, 0 insertions, 0 deletions