Re: [PATCH 1/2] accel/tcg: Optimize jump cache flush during tlb range flush

[Alex Bennée]

Idan Horowitz <idan.horowitz@gmail.com> writes:

> When the length of the range is large enough, clearing the whole cache is
> faster than iterating over the (possibly extremely large) set of pages
> contained in the range.
>
> This mimics the pre-existing similar optimization done on the flush of the
> tlb itself.
>
> Signed-off-by: Idan Horowitz <idan.horowitz@gmail.com>

For multi-patch series please include a cover letter which is the parent
of all the patches. This is the default for git-send-email.

The code itself looks fine but what sort of improvements are we talking
about here? What measurements have you taken and under what conditions?

-- 
Alex Bennée