From: Andrew Morton <akpm@osdl.org>
To: "Bryan O'Sullivan" <bos@pathscale.com>
Cc: dreier@cisco.com, davem@davemloft.net,
linux-kernel@vger.kernel.org, openib-general@openib.org
Subject: Re: [PATCH 0 of 2] Add memcpy_cachebypass, a memcpy that doesn't cache reads
Date: Thu, 30 Nov 2006 21:38:20 -0800 [thread overview]
Message-ID: <20061130213820.5ed22d81.akpm@osdl.org> (raw)
In-Reply-To: <patchbomb.1164843307@eng-12.pathscale.com>
On Wed, 29 Nov 2006 15:35:07 -0700
"Bryan O'Sullivan" <bos@pathscale.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>
next prev parent reply other threads:[~2006-12-01 5:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-29 22:35 Bryan O'Sullivan
2006-11-29 22:35 ` [PATCH 1 of 2] Add memcpy_cachebypass, a memcpy that tries to reduce cache pressure Bryan O'Sullivan
2006-11-29 22:35 ` [PATCH 2 of 2] IB/ipath - use memcpy_cachebypass in RDMA interrupt handler to reduce packet loss Bryan O'Sullivan
2006-12-01 5:38 ` Andrew Morton [this message]
2006-12-01 17:13 ` [PATCH 0 of 2] Add memcpy_cachebypass, a memcpy that doesn't cache reads Bryan O'Sullivan
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