linux-kernel - Re: [PATCH 1/5] HDQ Driver for OMAP2430/3430

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Message-Id: <20081014073058.e5d972e6.akpm@linux-foundation.org>
Date:	Tue, 14 Oct 2008 07:30:58 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Evgeniy Polyakov <johnpol@....mipt.ru>
Cc:	madhu.cr@...com, gadiyar@...com, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org
Subject: Re: [PATCH 1/5] HDQ Driver for OMAP2430/3430

> On Tue, 14 Oct 2008 17:42:49 +0400 Evgeniy Polyakov <johnpol@....mipt.ru> wrote:
> Hi.
> 
> On Tue, Oct 14, 2008 at 05:50:02AM -0700, Andrew Morton (akpm@...ux-foundation.org) wrote:
> > I think it's reasonable to permit the driver's operations to be interrupted
> > in this manner.  It's done in quite a few other places.  But the problem is
> > actually *testing* it.
> 
> Why not just skipping the waiting and returning error pretending user
> really sent a signal?

Better than nothing, but because signal_pending() isn't actually true,
upper layers wil behave differently.

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