Re: [patch 04/17] Add pagetable accessors to pack and unpack pagetableentries

[Jeremy Fitzhardinge]

Andi Kleen wrote:
> Why is there a difference for null syscall? I had assumed we patched all the 
> fast path cases relevant there. Do you have an idea where it comes from?

Sure.  There's indirect calls for things like sti/cli/iret.  It goes
back to native speed when you patch the real instructions inline.

    J
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