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Re: [Xen-devel] Re: [Qemu-devel] Recursion in cpu_physical_memory_rw
From: |
Keir Fraser |
Subject: |
Re: [Xen-devel] Re: [Qemu-devel] Recursion in cpu_physical_memory_rw |
Date: |
Wed, 15 Nov 2006 11:52:41 -0000 |
User-agent: |
Microsoft-Entourage/11.2.5.060620 |
On 15/11/06 11:12, "Herbert Xu" <address@hidden> wrote:
>> Could we add a recursion counter to the memory-access functions, and bail if
>> it reaches some limit?
>
> Yes that would work too. However, chips such as rtl8139 should never
> do MMIO in this case (the real hardware would never allow that to occur)
> so we should do that accordingly.
We'd take a patch for Xen to do it the 'proper way' with an extended
memory-access API if that is also acceptable for the upstream Qemu
maintainers.
-- Keir
- Re: [Xen-devel] Re: [Qemu-devel] Recursion in cpu_physical_memory_rw,
Keir Fraser <=