Re: [PATCH 0 of 2] Add memcpy_cachebypass, a memcpy that doesn'tcache reads

From: Andrew Morton
Date: Fri Dec 01 2006 - 00:46:01 EST


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