Re: [PATCH] cryptoapi: Fix sleeping
From: Matt Mackall (mpm_at_selenic.com)
Date: 08/14/03
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Date: Thu, 14 Aug 2003 11:33:25 -0500 To: Robert Love <rml@tech9.net>
On Thu, Aug 14, 2003 at 09:29:20AM -0700, Robert Love wrote:
> On Wed, 2003-08-13 at 18:58, Matt Mackall wrote:
>
> > This is part of cryptoapi and given the large chunks of work you could
> > potentially hand to it, it's probably a good idea for it to work this
> > way. You hand it a long list of sg segments, it does the transform and
> > reschedules if it thinks it's safe. But its test of when it was safe
> > was not complete.
>
> Right. My concern is that you said sometimes it is called when
> preemption is disabled.
Sure, but it's called here rather indirectly. Apparently I'm the first
person to try using cryptoapi with per_cpu. And at present there's
nothing in the api to tell it "don't do that" - but see my followup
patch.
-- Matt Mackall : http://www.selenic.com : of or relating to the moon - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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