On Thu, May 22, 2008 at 7:11 AM, Rusty Russell <[EMAIL PROTECTED]> wrote:
> On Thursday 22 May 2008 06:35:12 ron minnich wrote:
>> This is another proposed patch for block devices to have them use mmap
>> instead of file io.
>>
>
> I was thinking of something else: if we added an ioctl to throw away (parts
> of) page tables, you can mmap (assuming alignments work) reads directly into
> the guest. ISTR Anthony Liguori speculating on something similar.
>
That sounds a bit nastier than one would like. Of course I have an
immediate Pavlovian wretch response to any sentence containing the
word ioctl.
-eric
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