From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ben Widawsky <ben@bwidawsk.net>
Subject: Re: [PATCH] drm/i915: Use a global lock for modifying
 global irq flags
Date: Tue, 24 Apr 2012 14:05:25 -0700
Message-ID: <20120424140525.51344200@bwidawsk.net>
References: <1335300527-8202-1-git-send-email-chris@chris-wilson.co.uk>
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To: Chris Wilson <chris@chris-wilson.co.uk>
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On Tue, 24 Apr 2012 21:48:47 +0100
Chris Wilson <chris@chris-wilson.co.uk> wrote:

> We were attempting to use a per-ring spinlock whilst modifying global
> IRQ flags. A recipe for rare missed interrupts.
> 
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

Regardless of whether or not this currently fixes anything, I need this
for an upcoming patch.

Acked-by: Ben Widawsky <ben@bwidawsk.net>