From: Zhenzhong Duan <zhenzhong.duan@oracle.com>
To: Jean Delvare <jdelvare@suse.de>
Cc: "Luck, Tony" <tony.luck@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
"Yu, Fenghua" <fenghua.yu@intel.com>
Subject: Re: memcpy_fromio in dmi_scan.c
Date: Thu, 25 Apr 2013 09:51:32 +0800 [thread overview]
Message-ID: <51788C24.9020608@oracle.com> (raw)
In-Reply-To: <1366831328.4618.476.camel@chaos.site>
On 2013-04-25 03:22, Jean Delvare wrote:
> What is strange is that the call to memcpy_fromio was added a long
> time ago, long before dmi_scan was enabled on ia64.
I think memcpy_fromio is used to copy bios data to a mem buffer to speed
up read access.
zduan
next prev parent reply other threads:[~2013-04-25 1:52 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-22 13:18 memcpy_fromio in dmi_scan.c Jean Delvare
2013-04-23 3:25 ` DuanZhenzhong
2013-04-23 7:28 ` Jean Delvare
2013-04-23 22:00 ` Luck, Tony
2013-04-24 19:22 ` Jean Delvare
2013-04-24 20:16 ` Luck, Tony
2013-04-25 2:07 ` Robin Holt
2013-04-25 9:52 ` Robin Holt
2013-04-25 20:37 ` Andrew Morton
2013-07-08 13:54 ` Jean Delvare
2013-04-25 1:51 ` Zhenzhong Duan [this message]
2013-04-25 10:02 ` Robin Holt
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