Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode

[Jan Kiszka]

On 2011-08-25 11:16, Avi Kivity wrote:
> On 08/25/2011 12:07 PM, Jan Kiszka wrote:
>>>>
>>>
>>>  On which version of grub does this work?  This isn't having any effect
>>>  on my Fedora grub.
>>
>> It's both grub1 (0.97) in graphical mode as used by OpenSUSE 11.4 and
>> grub2 (1.99-rc1) of Ubuntu 11.04.
>>
>> Is Fedora's grub still slow or was it already fast before? Which Fedora?
>>
> 
> Still slow.  I tried an old F11 image I had lying around, and -snapshot 
> /dev/sda, but this laptop was installed many years ago.  I'll download 
> some more images and try.

You may also want to instrument vga_update_memory_access if some
requirement for linear mapping is not fulfilled.

Jan

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