diff options
| author | Lai Jiangshan <[email protected]> | 2008-07-06 17:23:55 +0800 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2008-07-18 16:07:32 +0200 |
| commit | 3cac97cbb14aed00d83eb33d4613b0fe3aaea863 (patch) | |
| tree | ba775ff62be34c2a7c17149516509d6c7d70f4d5 /kernel/sysctl_binary.c | |
| parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
rcu classic: simplify the next pending batch
use a batch number(rcp->pending) instead of a flag(rcp->next_pending)
rcu_start_batch() need to change this flag, so mb()s is needed
for memory-access safe.
but(after this patch applied) rcu_start_batch() do not change
this batch number(rcp->pending), rcp->pending is managed by
__rcu_process_callbacks only, and troublesome mb()s are eliminated.
And codes look simpler and clearer.
Signed-off-by: Lai Jiangshan <[email protected]>
Cc: "Paul E. McKenney" <[email protected]>
Cc: Dipankar Sarma <[email protected]>
Cc: Gautham Shenoy <[email protected]>
Cc: Dhaval Giani <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'kernel/sysctl_binary.c')
0 files changed, 0 insertions, 0 deletions