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authorMax Asbock <masbock@us.ibm.com>2005-06-22 04:16:33 +0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-22 06:07:34 +0400
commitb8acb808468a88a188d7c5aba3681c583a5785f9 (patch)
tree7a4e5367e05cc52bc8008baaa8c35ed05989ec60 /drivers/misc/ibmasm/ibmasm.h
parentf5ccc842318efcd7c05dee3203dfdbbafae47bd6 (diff)
downloadlinux-b8acb808468a88a188d7c5aba3681c583a5785f9.tar.xz
[PATCH] ibmasm driver: correctly wake up sleeping threads
Due to my incomplete understanding of the wait_event_interruptible() function threads waiting for service processor events were not woken up. This patch fixes that problem. Signed-off-by: Max Asbock <masbock@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/misc/ibmasm/ibmasm.h')
-rw-r--r--drivers/misc/ibmasm/ibmasm.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/misc/ibmasm/ibmasm.h b/drivers/misc/ibmasm/ibmasm.h
index 1e83406382e7..35c4def5af18 100644
--- a/drivers/misc/ibmasm/ibmasm.h
+++ b/drivers/misc/ibmasm/ibmasm.h
@@ -108,6 +108,7 @@ struct event_buffer {
};
struct event_reader {
+ int cancelled;
unsigned int next_serial_number;
wait_queue_head_t wait;
struct list_head node;
@@ -185,6 +186,7 @@ extern void ibmasm_receive_event(struct service_processor *sp, void *data, unsi
extern void ibmasm_event_reader_register(struct service_processor *sp, struct event_reader *reader);
extern void ibmasm_event_reader_unregister(struct service_processor *sp, struct event_reader *reader);
extern int ibmasm_get_next_event(struct service_processor *sp, struct event_reader *reader);
+extern void ibmasm_cancel_next_event(struct event_reader *reader);
/* heartbeat - from SP to OS */
extern void ibmasm_register_panic_notifier(void);