linux-kernel - Re: [PATCH 2/5] lguest guest feedback tidyups

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:	Sun, 13 May 2007 19:43:39 +0100
From:	Al Viro <viro@....linux.org.uk>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>,
	virtualization <virtualization@...ts.linux-foundation.org>,
	Jeff Garzik <jeff@...zik.org>,
	Christoph Hellwig <hch@...radead.org>
Subject: Re: [PATCH 2/5] lguest guest feedback tidyups

On Fri, May 11, 2007 at 11:21:30AM +1000, Rusty Russell wrote:
>  	/* Devices are in page above top of "normal" mem. */
> -	lguest_devices = ioremap(max_pfn << PAGE_SHIFT, PAGE_SIZE);
> +	lguest_devices = (__force void*)ioremap(max_pfn<<PAGE_SHIFT,PAGE_SIZE);

Er...  What's being done here?  What are we mapping and what's going to
be accessed when we dereference that sucker?
-
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/