From: Matt Mackall <mpm@selenic.com>
To: Robert Love <rml@tech9.net>
Cc: Jeff Garzik <jgarzik@pobox.com>,
James Morris <jmorris@intercode.com.au>,
"David S. Miller" <davem@redhat.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] cryptoapi: Fix sleeping
Date: Thu, 14 Aug 2003 11:33:25 -0500 [thread overview]
Message-ID: <20030814163325.GL325@waste.org> (raw)
In-Reply-To: <1060878560.4709.474.camel@lettuce>
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
next prev parent reply other threads:[~2003-08-14 16:33 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-13 23:39 [PATCH] cryptoapi: Fix sleeping Matt Mackall
2003-08-14 0:21 ` Jeff Garzik
2003-08-14 0:34 ` Robert Love
2003-08-14 1:58 ` Matt Mackall
2003-08-14 16:29 ` Robert Love
2003-08-14 16:33 ` Matt Mackall [this message]
2003-08-14 0:44 ` Andrew Morton
2003-08-14 2:03 ` Matt Mackall
2003-08-14 7:15 ` Matt Mackall
2003-08-14 17:08 ` James Morris
2003-08-14 20:18 ` Matt Mackall
2003-08-15 3:39 ` James Morris
2003-08-15 3:50 ` Matt Mackall
2003-08-15 4:07 ` James Morris
2003-08-14 1:54 ` Matt Mackall
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