linux-kernel - Re: [Question] How to represent SYSTEM

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]

Message-ID: <20071003015242.GC12049@parisc-linux.org>
Date:	Tue, 2 Oct 2007 19:52:42 -0600
From:	Matthew Wilcox <matthew@....cx>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, andi@...stfloor.org,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"tony.luck@...el.com" <tony.luck@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>, pbadari@...ibm.com,
	"linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>
Subject: Re: [Question] How to represent SYSTEM_RAM in kerenel/resouce.c

On Wed, Oct 03, 2007 at 10:31:36AM +0900, KAMEZAWA Hiroyuki wrote:
> i386 and x86_64 registers System RAM as IORESOUCE_MEM | IORESOUCE_BUSY.
> ia64 registers System RAM as IORESOURCE_MEM.
> 
> Which is better ?

Should probably be BUSY.  Non-BUSY regions can have io resources
requested underneath them, but you wouldn't want a PCI device to be
assigned an address which overlaps with physical memory.

-- 
Intel are signing my paycheques ... these opinions are still mine
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
-
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/