openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Hitoshi Mitake 2009-06-29 14:44:57 +09:00 committed by Ingo Molnar
parent 348b346b23
commit 54d35f29f4
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
kernel/sched.c
View File

@ -692,6 +692,7 @@ static inline int cpu_of(struct rq *rq)
#define this_rq() (&__get_cpu_var(runqueues)) #define this_rq() (&__get_cpu_var(runqueues))
#define task_rq(p) cpu_rq(task_cpu(p)) #define task_rq(p) cpu_rq(task_cpu(p))
#define cpu_curr(cpu) (cpu_rq(cpu)->curr) #define cpu_curr(cpu) (cpu_rq(cpu)->curr)
#define raw_rq() (&__raw_get_cpu_var(runqueues))
inline void update_rq_clock(struct rq *rq) inline void update_rq_clock(struct rq *rq)
{ {
@ -6669,7 +6670,7 @@ EXPORT_SYMBOL(yield);
*/ */
void __sched io_schedule(void) void __sched io_schedule(void)
{ {
struct rq *rq = &__raw_get_cpu_var(runqueues); struct rq *rq = raw_rq();
delayacct_blkio_start(); delayacct_blkio_start();
atomic_inc(&rq->nr_iowait); atomic_inc(&rq->nr_iowait);
@ -6681,7 +6682,7 @@ EXPORT_SYMBOL(io_schedule);
long __sched io_schedule_timeout(long timeout) long __sched io_schedule_timeout(long timeout)
{ {
struct rq *rq = &__raw_get_cpu_var(runqueues); struct rq *rq = raw_rq();
long ret; long ret;
delayacct_blkio_start(); delayacct_blkio_start();