linux-kernel - Re: memcpy_fromio in dmi

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 25 Apr 2013 09:51:32 +0800
From:	Zhenzhong Duan <zhenzhong.duan@...cle.com>
To:	Jean Delvare <jdelvare@...e.de>
CC:	"Luck, Tony" <tony.luck@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"Yu, Fenghua" <fenghua.yu@...el.com>
Subject: Re: memcpy_fromio in dmi_scan.c


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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/