From: david mosberger <dmosberger@gmail.com>
To: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>,
linux-ia64@vger.kernel.org, "Luck, Tony" <tony.luck@intel.com>,
Linas Vepstas <linas@austin.ibm.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
long <tlnguyen@snoqualmie.dp.intel.com>,
linux-pci@atrey.karlin.mff.cuni.cz,
linuxppc64-dev <linuxppc64-dev@ozlabs.org>
Subject: Re: [PATCH 2.6.13-rc1 07/10] IOCHK interface for I/O error handling/detecting
Date: Thu, 7 Jul 2005 21:37:15 -0700 [thread overview]
Message-ID: <ed5aea4305070721373480591d@mail.gmail.com> (raw)
In-Reply-To: <42CB6961.2060508@jp.fujitsu.com>
On 7/5/05, Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> wrote:
> - could anyone write same barrier for intel compiler?
> Tony or David, could you help me?
I think it might be best to make ia64_mca_barrier() a proper
subroutine written in assembly code. Yes, that costs some time, but
we're talking about wasting 1,000+ cycles just to consume the value
read via readX(), so the call-overhead is actually overlapped and
completely trivial.
--david
next prev parent reply other threads:[~2005-07-08 4:37 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-06 4:53 [PATCH 2.6.13-rc1 01/10] IOCHK interface for I/O error handling/detecting Hidetoshi Seto
2005-07-06 5:00 ` [PATCH 2.6.13-rc1 02/10] " Hidetoshi Seto
2005-07-06 5:04 ` [PATCH 2.6.13-rc1 03/10] " Hidetoshi Seto
2005-07-12 19:51 ` Linas Vepstas
2005-07-13 0:18 ` Benjamin Herrenschmidt
2005-07-13 22:42 ` Linas Vepstas
2005-07-13 1:33 ` Hidetoshi Seto
2005-07-06 5:07 ` [PATCH 2.6.13-rc1 04/10] " Hidetoshi Seto
2005-07-06 5:11 ` [PATCH 2.6.13-rc1 05/10] " Hidetoshi Seto
2005-07-18 19:21 ` Grant Grundler
2005-07-06 5:14 ` [PATCH 2.6.13-rc1 06/10] " Hidetoshi Seto
2005-07-06 5:17 ` [PATCH 2.6.13-rc1 07/10] " Hidetoshi Seto
2005-07-08 4:37 ` david mosberger [this message]
2005-07-08 5:44 ` Hidetoshi Seto
2005-07-12 21:14 ` Linas Vepstas
2005-07-13 2:00 ` Hidetoshi Seto
2005-07-06 5:18 ` [PATCH 2.6.13-rc1 08/10] " Hidetoshi Seto
2005-07-12 22:22 ` Linas Vepstas
2005-07-13 1:36 ` Hidetoshi Seto
2005-07-06 5:20 ` [PATCH 2.6.13-rc1 09/10] " Hidetoshi Seto
2005-07-06 5:21 ` [PATCH 2.6.13-rc1 10/10] " Hidetoshi Seto
2005-07-06 6:26 ` [PATCH 2.6.13-rc1 01/10] " YOSHIFUJI Hideaki / 吉藤英明
2005-07-06 10:15 ` Hidetoshi Seto
2005-07-07 18:41 ` Greg KH
2005-07-07 22:27 ` Benjamin Herrenschmidt
2005-07-08 12:22 ` Hidetoshi Seto
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