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Message-ID: <5101F4E3.2020001@linux.vnet.ibm.com>
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>
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