Messages in this thread |  | | Date | Mon, 30 Jan 2012 14:09:19 -0800 | From | Tejun Heo <> | Subject | Re: [PATCH 1/4] PM/Freezer: Make thaw_processes() thaw only userspace tasks |
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On Tue, Jan 31, 2012 at 03:34:57AM +0530, Srivatsa S. Bhat wrote: > Currently the situation is: > > freeze_processes() - freezes only userspace tasks > freeze_kernel_threads() - freezes only kernel threads > thaw_kernel_threads() - thaws only kernel threads > thaw_processes() - thaws *everything* (both userspace tasks and kernel threads) > > The point that thaw_processes() thaws everything is rather unintuitive > and can lead to bugs. So, modify thaw_processes() so that it thaws only > userspace processes. This way we can also have more control over what > exactly gets thawed in different situations. > > Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Maybe I'm misreading it but doesn't this introduce window where kernel tasks aren't thawed between this patch and the following ones? It looks like this one should come later.
Thanks.
-- tejun
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