Re: [PATCH 1/3] mpt2sas: remove the use of writeq, since writeq is not atomic
From: Roland Dreier <roland@kernel.org>
Date: 2011-05-19 04:17:13
Also in:
linux-arch, linux-scsi, lkml
On Wed, May 18, 2011 at 11:31 AM, Milton Miller [off-list ref] wrote:
So the real question should be why is x86-32 supplying a broken writeq instead of letting drivers work out what to do it when needed?
Sounds a lot like what I was asking a couple of years ago :) http://lkml.org/lkml/2009/4/19/164 But Ingo insisted that non-atomic writeq would be fine: http://lkml.org/lkml/2009/4/19/167 - R.