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KVM: PPC: Book3S: PR: Optimize entry path
authorAlexander Graf <agraf@suse.de>
Wed, 25 Apr 2012 12:28:23 +0000 (14:28 +0200)
committerAlexander Graf <agraf@suse.de>
Sun, 6 May 2012 14:19:09 +0000 (16:19 +0200)
By shuffling a few instructions around we can execute more memory
loads in parallel, giving us a small performance boost.

With this patch and a simple priviledged SPR access loop guest, I get
a speed bump from 2013052 to 2035607 exits per second.

Signed-off-by: Alexander Graf <agraf@suse.de>

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