lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

IB/ehca: Change idr spinlocks into rwlocks

Browse Source 
This eliminates lock contention among IRQs as well as the need to
disable IRQs around idr_find, because there are no IRQ writers.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Joachim Fenkes
2007-07-09 15:31:10 +02:00
committed by Roland Dreier
parent 28db6beb42
commit 26ed687fdd
6 changed files with 28 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/infiniband/hw/ehca/ehca_classes.h
View File

@@ -293,8 +293,8 @@ void ehca_cleanup_av_cache(void);
int ehca_init_mrmw_cache(void);
void ehca_cleanup_mrmw_cache(void);
extern spinlock_t ehca_qp_idr_lock;
extern spinlock_t ehca_cq_idr_lock;
extern rwlock_t ehca_qp_idr_lock;
extern rwlock_t ehca_cq_idr_lock;
extern struct idr ehca_qp_idr;
extern struct idr ehca_cq_idr;