Messages in this thread | | | Date | Fri, 3 Apr 2015 11:37:45 -0700 | Subject | Re: [PATCH] x86/asm/entry/64: pack interrupt dispatch table tighter | From | Linus Torvalds <> |
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On Fri, Apr 3, 2015 at 11:35 AM, H. Peter Anvin <hpa@zytor.com> wrote: > > For the record, I actually measured the impact of the jump-to-jump when > I wrote it. It has a small, *but measurable*, positive impact.
What did you compare against, and how did you measure that? I don't see how it could *possibly* be faster than just a simple aligned "push + jmp".
Linus
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