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xen-devel
Re: [Xen-devel] page table walk in xen_{create, destroy}_contiguous_regi
>> Is there a particular reason why these functions need to walk the page
>> table rather than doing a much cheaper p2m
>> translation? vstart is assumed to be in the direct mapping area anyway
>> (otherwise the uses of __pa() in the same
>> functions wouldn't be valid).
>>
>> Thanks, Jan
>
>Looks like the walks are not really needed.
Subject: Replace page table walks by simple address calculation
Signed-off-by: jbeulich@xxxxxxxxxx
Makes the code both smaller and faster.
xenlinux-ccr-dcr-no-pgtable-walk.patch
Description: Text document
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