diff options
Diffstat (limited to 'arch/ia64/sn')
-rw-r--r-- | arch/ia64/sn/kernel/sn2/sn_hwperf.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c index ca882744d75..4b0d1538e7e 100644 --- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c +++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c | |||
@@ -33,6 +33,7 @@ | |||
33 | #include <linux/smp_lock.h> | 33 | #include <linux/smp_lock.h> |
34 | #include <linux/nodemask.h> | 34 | #include <linux/nodemask.h> |
35 | #include <linux/smp.h> | 35 | #include <linux/smp.h> |
36 | #include <linux/mutex.h> | ||
36 | 37 | ||
37 | #include <asm/processor.h> | 38 | #include <asm/processor.h> |
38 | #include <asm/topology.h> | 39 | #include <asm/topology.h> |
@@ -50,7 +51,7 @@ static void *sn_hwperf_salheap = NULL; | |||
50 | static int sn_hwperf_obj_cnt = 0; | 51 | static int sn_hwperf_obj_cnt = 0; |
51 | static nasid_t sn_hwperf_master_nasid = INVALID_NASID; | 52 | static nasid_t sn_hwperf_master_nasid = INVALID_NASID; |
52 | static int sn_hwperf_init(void); | 53 | static int sn_hwperf_init(void); |
53 | static DECLARE_MUTEX(sn_hwperf_init_mutex); | 54 | static DEFINE_MUTEX(sn_hwperf_init_mutex); |
54 | 55 | ||
55 | #define cnode_possible(n) ((n) < num_cnodes) | 56 | #define cnode_possible(n) ((n) < num_cnodes) |
56 | 57 | ||
@@ -884,10 +885,10 @@ static int sn_hwperf_init(void) | |||
884 | int e = 0; | 885 | int e = 0; |
885 | 886 | ||
886 | /* single threaded, once-only initialization */ | 887 | /* single threaded, once-only initialization */ |
887 | down(&sn_hwperf_init_mutex); | 888 | mutex_lock(&sn_hwperf_init_mutex); |
888 | 889 | ||
889 | if (sn_hwperf_salheap) { | 890 | if (sn_hwperf_salheap) { |
890 | up(&sn_hwperf_init_mutex); | 891 | mutex_unlock(&sn_hwperf_init_mutex); |
891 | return e; | 892 | return e; |
892 | } | 893 | } |
893 | 894 | ||
@@ -936,7 +937,7 @@ out: | |||
936 | sn_hwperf_salheap = NULL; | 937 | sn_hwperf_salheap = NULL; |
937 | sn_hwperf_obj_cnt = 0; | 938 | sn_hwperf_obj_cnt = 0; |
938 | } | 939 | } |
939 | up(&sn_hwperf_init_mutex); | 940 | mutex_unlock(&sn_hwperf_init_mutex); |
940 | return e; | 941 | return e; |
941 | } | 942 | } |
942 | 943 | ||