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Re: [Qemu-devel] [PATCH 2/6] kvm: support using KVM_MEM_READONLY flag fo
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From: |
Xiao Guangrong |
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Subject: |
Re: [Qemu-devel] [PATCH 2/6] kvm: support using KVM_MEM_READONLY flag for readonly regions |
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Date: |
Fri, 03 May 2013 14:02:28 +0800 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 |
On 04/28/2013 04:32 PM, Jordan Justen wrote:
> A slot that uses KVM_MEM_READONLY can be read from and code
> can execute from the region, but writes will trap.
>
> For regions that are readonly and also not writeable, we
> force the slot to be removed so reads or writes to the region
> will trap. (A memory region in this state is not executable
> within kvm.)
>
Reviewed-by: Xiao Guangrong <address@hidden>
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