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Re: [Qemu-devel] [PATCH] linux-user: Implement new ARM 64 bit cmpxchg ke
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH] linux-user: Implement new ARM 64 bit cmpxchg kernel helper |
Date: |
Thu, 8 Sep 2011 08:12:25 +0100 |
On 31 August 2011 17:24, Dr. David Alan Gilbert
<address@hidden> wrote:
> linux-user: Implement new ARM 64 bit cmpxchg kernel helper
>
> Linux 3.1 will have a new kernel-page helper for ARM implementing
> 64 bit cmpxchg. Implement this helper in QEMU linux-user mode:
> * Provide kernel helper emulation for 64bit cmpxchg
> * Allow guest to object to guest offset to ensure it can map a page
> * Populate page with kernel helper version
>
> Signed-off-by: Dr. David Alan Gilbert <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
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