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Message-Id: <20150408.121531.264247541235587759.davem@davemloft.net>
Date: Wed, 08 Apr 2015 12:15:31 -0400 (EDT)
From: David Miller <davem@...emloft.net>
To: alexander.h.duyck@...hat.com
Cc: netdev@...r.kernel.org
Subject: Re: [net-next PATCH 0/3] Replace wmb()/rmb() with
dma_wmb()/dma_rmb() where appropriate
From: Alexander Duyck <alexander.h.duyck@...hat.com>
Date: Tue, 07 Apr 2015 16:55:08 -0700
> This is a start of a side project cleaning up the drivers that can make use
> of the dma_wmb and dma_rmb calls. The general idea is to start removing
> the unnecessary wmb/rmb calls from a number of drivers and to make use of
> the lighter weight dma_wmb/dma_rmb calls as this should allow for an
> overall improvement in performance as each barrier can cost a significant
> number of cycles and on architectures such as x86 this is unnecessary.
>
> These changes are what I would consider low hanging fruit. The likelihood
> of the changes introducing an error should be low since the use of the
> barriers in these cases are fairly obvious.
Series applied, thanks.
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