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| author | Oleg Nesterov | 2008-04-29 10:00:29 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2008-04-29 17:06:11 +0200 |
| commit | d2ba7e2ae206e9ab24e8937d99d0d5513bfd08e5 (patch) | |
| tree | 4cdd43bbf03885705fed5c80e982d19d397afaeb /arch/Kconfig | |
| parent | cleanup_workqueue_thread: remove the unneeded "cpu" parameter (diff) | |
| download | kernel-qcow2-linux-d2ba7e2ae206e9ab24e8937d99d0d5513bfd08e5.tar.gz kernel-qcow2-linux-d2ba7e2ae206e9ab24e8937d99d0d5513bfd08e5.tar.xz kernel-qcow2-linux-d2ba7e2ae206e9ab24e8937d99d0d5513bfd08e5.zip | |
simplify cpu_hotplug_begin()/put_online_cpus()
cpu_hotplug_begin() must be always called under cpu_add_remove_lock, this
means that only one process can be cpu_hotplug.active_writer. So we don't
need the cpu_hotplug.writer_queue, we can wake up the ->active_writer
directly.
Also, fix the comment.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Dipankar Sarma <dipankar@in.ibm.com>
Acked-by: Gautham R Shenoy <ego@in.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Srivatsa Vaddagiri <vatsa@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/Kconfig')
0 files changed, 0 insertions, 0 deletions