Messages in this thread | | | Date | Sun, 03 Feb 2008 20:23:09 +0200 | From | Benny Halevy <> | Subject | Re: |
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am kara wrote: > hello, > > If kernel does kmap_atomic(temporary kernel mapping) > on behalf of a process by a cpu, does the process will > continue to run and no other process can be scheduled > to switch it off?(till kunmap_atomic is done)
Effectively, kmap_atomic implementations call pagefault_disable and that in turn is equivalent to preempt_disable() so the answer to your question seems to be "yes".
Benny
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