linux-kernel - Re: [PATCH 1/2] kvm: Force IOMMU remapping on memory slot read-only flag changes

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:	Fri, 25 Jan 2013 10:58:43 +0800
From:	Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
To:	Alex Williamson <alex.williamson@...hat.com>
CC:	gleb@...hat.com, kvm@...r.kernel.org,
	yoshikawa_takuya_b1@....ntt.co.jp, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] kvm: Force IOMMU remapping on memory slot read-only
 flag changes

On 01/25/2013 06:04 AM, Alex Williamson wrote:
> Memory slot flags can be altered without changing other parameters of
> the slot.  The read-only attribute is the only one the IOMMU cares
> about, so generate an un-map, re-map when this occurs.  This also
> avoid unnecessarily re-mapping the slot when no IOMMU visible changes
> are made.
> 

Reviewed-by: Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>

--
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/