On Tue, 31 October 2006 19:32:12 +0000, Russell King wrote:
> On Tue, Oct 31, 2006 at 04:57:56PM +0100, J?rn Engel wrote:
> >
> > Why does the MMC block driver use a thread? Is there a technical
> > reason for this or could it be done in original process context as
> > well, removing some code and useless cpu scheduler overhead?
>
> As I understand it, there is no guarantee that a block drivers request
> function will be called in process context - it could be called in
> interrupt context.
Makes some sense. I would still like to understand when a request
function is called from interrupt context, but if it is, the thread is
certainly necessary.
Jörn
--
This above all: to thine own self be true.
-- Shakespeare
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