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Re: [Qemu-devel] Qemu and mmap_min_addr


From: Richard Purdie
Subject: Re: [Qemu-devel] Qemu and mmap_min_addr
Date: Fri, 02 May 2008 15:51:19 +0100

On Wed, 2008-04-30 at 16:31 +0300, Jussi Hakala wrote:
> Paul Brook wrote:
> > You have to use a nonzero GUEST_BASE to offset the guest VM.  However this 
> > hasn't been tested in a while, and has probably bitrotted.
> 
> For preliminary testing, setting GUEST_BASE to 65536 seemed to work. 
> I'll investigate further and report back to you :)

I was also looking at this problem and setting GUEST_BASE seemed to fix
my test cases although I've not tried it in a wider environment.

I was wondering if mismatching the host and guest memory layouts like
that incurred a performance penalty though?

Regards,

Richard






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