[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v3 07/32] target-arm: add non-secure Translation
|
From: |
Sergey Fedorov |
|
Subject: |
Re: [Qemu-devel] [PATCH v3 07/32] target-arm: add non-secure Translation Block flag |
|
Date: |
Tue, 17 Jun 2014 14:07:11 +0400 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
On 17.06.2014 13:15, Edgar E. Iglesias wrote:
> Hi, I think the patch looks OK but I'm unsure if it brings any benefits
> unless we add separate TLBs for S and NS.
>
> I noticed that TTBR0 gets banked in the series, but are changes to
> SCR.NS flushing the TLBs? I might have missed that from the patches.
> You'll need it unless we add separate S/NS TLBs.
>
> Considering that changes to SCR.NS will flush the TLBs, the
> use of a per TB ns flag is limited, unless I am missing something...
Hi Edgar,
This seems to be used in patch 19/32.
// Sergey
>
> Cheers,
> Edgar
[Qemu-devel] [PATCH v3 15/32] target-arm: add NSACR register, Fabian Aggeler, 2014/06/10