Re: [PATCH] KVM:make cpuid_entry2_find more efficient

From: Borislav Petkov
Date: Tue Aug 09 2022 - 03:55:22 EST


On Tue, Aug 09, 2022 at 01:51:38PM +0800, Liam Ni wrote:
> Compared with the way of obtaining the pointer by
> fetching the value of the array and then fetching the pointer,
> the way of obtaining the pointer by the pointer offset is more efficient.

How did you determine that?

Hint: look at the generated assembler before and after your change and
see if there are any differences.

:-)

--
Regards/Gruss,
Boris.

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