From: William Lee Irwin III <wli@holomorphy.com>
Date: Tue, 21 Dec 2004 06:34:53 +0000
Subject: Re: [1/3] fix HyperSPARC DVMA
Message-Id: <20041221063453.GD771@holomorphy.com>
List-Id: <sparclinux.vger.kernel.org>
References: <20041221042037.GY771@holomorphy.com>
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To: sparclinux@vger.kernel.org

William Lee Irwin III wrote:
>> DVMA is having aliasing problems.

On Mon, Dec 20, 2004 at 11:55:35PM -0600, Bob Breuer wrote:
> Here's an updated description for the patch:
> HyperSPARC was hit by 2 problems: 1) The iotlb entries must be flushed
> to ram and 2) to maintain cache coherency on HyperSPARC the page color
> of a cacheable DVMA address and its physical address must match.
> This patch adds cache flushes of iotlb changes for all non-viking cpus
> and optional page coloring of the ranges returned by bit_map_get_string,
> with the page coloring only being used on HyperSPARCs for now.

Thanks, I'll update the patch description before sending it on.


-- wli