Re: [PATCH] Use real cache invalidate

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To: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Subject: Re: [PATCH] Use real cache invalidate
From: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Date: Tue, 27 Nov 2007 14:16:23 +0000
Cc: linux-mips@xxxxxxxxxxxxxx
In-reply-to: <20071126224001.48CF6C2B26@xxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.17 (2007-11-01)

On Mon, Nov 26, 2007 at 11:40:01PM +0100, Thomas Bogendoerfer wrote:

> R10k non coherent machines need a real dma cache invalidate to get
> rid of speculative stores in cache.

Wonderful.  This should also deliver a slight performance benefit for
other systems.

  Ralf

References:
- [PATCH] Use real cache invalidate
  - From: Thomas Bogendoerfer

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