Messages in this thread | | | Date | Fri, 2 May 2014 17:11:59 -0700 | Subject | Re: [PATCH] x86: Return to kernel without IRET | From | Linus Torvalds <> |
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On Fri, May 2, 2014 at 4:51 PM, Andy Lutomirski <luto@amacapital.net> wrote: > On my box, this saves about 100ns on each interrupt and trap that > happens while running in kernel space. This speeds up my kernel_pf > microbenchmark by about 17%.
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Now it just needs lots of testing to make sure it's all good. But I can't imagine what would go wrong.
Linus
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