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| author | Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp> | 2009-06-29 14:44:57 +0900 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-29 09:19:27 +0200 |
| commit | 54d35f29f49224d86b994acb6e5969b9ba09022d (patch) | |
| tree | e50a3c51e4c38c6e726275ceeaee1d581cd04a89 /kernel/sched.c | |
| parent | 348b346b238d9c0e5694c8d0b835a099cb383835 (diff) | |
| download | lwn-54d35f29f49224d86b994acb6e5969b9ba09022d.tar.gz lwn-54d35f29f49224d86b994acb6e5969b9ba09022d.zip | |
sched: Hide runqueues from direct reference at source code level for __raw_get_cpu_var()
Hide __raw_get_cpu_var() as well - thus all the direct
references to runqueues will abstracted out.
Signed-off-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
LKML-Reference: <20090629.144457.886429910353660979.mitake@dcl.info.waseda.ac.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched.c')
| -rw-r--r-- | kernel/sched.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 168b2680ae27..ebc5151f88c8 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -692,6 +692,7 @@ static inline int cpu_of(struct rq *rq) #define this_rq() (&__get_cpu_var(runqueues)) #define task_rq(p) cpu_rq(task_cpu(p)) #define cpu_curr(cpu) (cpu_rq(cpu)->curr) +#define raw_rq() (&__raw_get_cpu_var(runqueues)) inline void update_rq_clock(struct rq *rq) { @@ -6669,7 +6670,7 @@ EXPORT_SYMBOL(yield); */ void __sched io_schedule(void) { - struct rq *rq = &__raw_get_cpu_var(runqueues); + struct rq *rq = raw_rq(); delayacct_blkio_start(); atomic_inc(&rq->nr_iowait); @@ -6681,7 +6682,7 @@ EXPORT_SYMBOL(io_schedule); long __sched io_schedule_timeout(long timeout) { - struct rq *rq = &__raw_get_cpu_var(runqueues); + struct rq *rq = raw_rq(); long ret; delayacct_blkio_start(); |