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| author | Robin Holt <holt@sgi.com> | 2009-04-13 14:40:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-13 15:04:33 -0700 |
| commit | efdd06ed181a88a11e612238c1ac04668e665395 (patch) | |
| tree | 6d66f74c82edf9986eeab5b3edef4697d5b6bb5c /drivers/misc/sgi-xp/xpc_sn2.c | |
| parent | a374c57b0764432a80303abee3d1afd1939b5a0a (diff) | |
| download | op-kernel-dev-efdd06ed181a88a11e612238c1ac04668e665395.zip op-kernel-dev-efdd06ed181a88a11e612238c1ac04668e665395.tar.gz | |
sgi-xpc: implement opencomplete messaging
sgi-xpc has a window of failure where an open message can be sent and a
subsequent data message can get lost. We have added a new message
(opencomplete) which closes that window.
Signed-off-by: Robin Holt <holt@sgi.com>
Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/misc/sgi-xp/xpc_sn2.c')
| -rw-r--r-- | drivers/misc/sgi-xp/xpc_sn2.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/misc/sgi-xp/xpc_sn2.c b/drivers/misc/sgi-xp/xpc_sn2.c index 43ad296..09bc198 100644 --- a/drivers/misc/sgi-xp/xpc_sn2.c +++ b/drivers/misc/sgi-xp/xpc_sn2.c @@ -431,6 +431,13 @@ xpc_send_chctl_openreply_sn2(struct xpc_channel *ch, unsigned long *irq_flags) } static void +xpc_send_chctl_opencomplete_sn2(struct xpc_channel *ch, + unsigned long *irq_flags) +{ + XPC_SEND_NOTIFY_IRQ_SN2(ch, XPC_CHCTL_OPENCOMPLETE, irq_flags); +} + +static void xpc_send_chctl_msgrequest_sn2(struct xpc_channel *ch) { XPC_SEND_NOTIFY_IRQ_SN2(ch, XPC_CHCTL_MSGREQUEST, NULL); @@ -2380,6 +2387,7 @@ xpc_init_sn2(void) xpc_send_chctl_closereply = xpc_send_chctl_closereply_sn2; xpc_send_chctl_openrequest = xpc_send_chctl_openrequest_sn2; xpc_send_chctl_openreply = xpc_send_chctl_openreply_sn2; + xpc_send_chctl_opencomplete = xpc_send_chctl_opencomplete_sn2; xpc_save_remote_msgqueue_pa = xpc_save_remote_msgqueue_pa_sn2; |
