linux-kernel - Re: [PATCH 0 of 2] Add memcpy_cachebypass, a memcpy that doesn't cache reads

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Message-Id: <20061130213820.5ed22d81.akpm@osdl.org>
Date:	Thu, 30 Nov 2006 21:38:20 -0800
From:	Andrew Morton <akpm@...l.org>
To:	"Bryan O'Sullivan" <bos@...hscale.com>
Cc:	dreier@...co.com, davem@...emloft.net,
	linux-kernel@...r.kernel.org, openib-general@...nib.org
Subject: Re: [PATCH 0 of 2] Add memcpy_cachebypass, a memcpy that doesn't
 cache reads

On Wed, 29 Nov 2006 15:35:07 -0700
"Bryan O'Sullivan" <bos@...hscale.com> wrote:

> These patches add a memcpy that doesn't cache reads, and use it in the
> ipath driver's OpenIB receive path.
> 
> This version incorporates a few changes asked for last time around by DaveM.

Everybody seems to be hiding.

The name memcpy_cachebypass() doesn't tell us whether it bypasses caching
on the source, the dest or both.  It'd be nice if it did.

<tries to remember what copy_user_zeroing_intel_nocache() does>
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