On 04/21/2011 06:34 PM, Takuya Yoshikawa wrote:
From: Takuya Yoshikawa<yoshikawa.tak...@oss.ntt.co.jp>
This patch optimizes the guest page table walk by using get_user()
instead of copy_from_user().
With this patch applied, paging64_walk_addr_generic() has become
about 0.5us to 1.0us faster on my Phenom II machine with NPT on.
Applied, thanks. Care to send a follow-on patch that makes
cmpxchg_gpte() use ptep_user instead of calculating it by itself?
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
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