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authorIngo Molnar <mingo@elte.hu>2008-01-30 13:33:00 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:33:00 +0100
commitd50efc6c40620b2e11648cac64ebf4a824e40382 (patch)
treedaf951117c86f2d4875216eee9e708a0c01c9e4b /lib/rwsem.c
parent3a556b26a2718e48aa2b6ce06ea4875ddcd0778e (diff)
downloadlinux-2.6.34-ux500-d50efc6c40620b2e11648cac64ebf4a824e40382.tar.gz
x86: fix UML and -regparm=3
introduce the "asmregparm" calling convention: for functions implemented in assembly with a fixed regparm input parameters calling convention. mark the semaphore and rwsem slowpath functions with that. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'lib/rwsem.c')
-rw-r--r--lib/rwsem.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/rwsem.c b/lib/rwsem.c
index 7d02700a4b0..3e3365e5665 100644
--- a/lib/rwsem.c
+++ b/lib/rwsem.c
@@ -187,7 +187,7 @@ rwsem_down_failed_common(struct rw_semaphore *sem,
/*
* wait for the read lock to be granted
*/
-struct rw_semaphore fastcall __sched *
+asmregparm struct rw_semaphore __sched *
rwsem_down_read_failed(struct rw_semaphore *sem)
{
struct rwsem_waiter waiter;
@@ -201,7 +201,7 @@ rwsem_down_read_failed(struct rw_semaphore *sem)
/*
* wait for the write lock to be granted
*/
-struct rw_semaphore fastcall __sched *
+asmregparm struct rw_semaphore __sched *
rwsem_down_write_failed(struct rw_semaphore *sem)
{
struct rwsem_waiter waiter;
@@ -216,7 +216,7 @@ rwsem_down_write_failed(struct rw_semaphore *sem)
* handle waking up a waiter on the semaphore
* - up_read/up_write has decremented the active part of count if we come here
*/
-struct rw_semaphore fastcall *rwsem_wake(struct rw_semaphore *sem)
+asmregparm struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem)
{
unsigned long flags;
@@ -236,7 +236,7 @@ struct rw_semaphore fastcall *rwsem_wake(struct rw_semaphore *sem)
* - caller incremented waiting part of count and discovered it still negative
* - just wake up any readers at the front of the queue
*/
-struct rw_semaphore fastcall *rwsem_downgrade_wake(struct rw_semaphore *sem)
+asmregparm struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem)
{
unsigned long flags;