Re: x86 TLB shootdown changes

On Wed, 20 Nov 2019 23:41:10 +0000
Andrew Doran <[email protected]> wrote:

> The idea with this change is threefold:
> 
> 1. Shave some time off processing of the IPIs.
> 2. Reduce cacheline/bus traffic on systems with many CPUs.
> 3. Minimise time spent at IPL_VM.
> 
> diff:
> 	http://www.netbsd.org/~ad/2019/tlb.diff
> 
> libmicro comparison:
> 	http://www.netbsd.org/~ad/2019/tlb.html
> 
> Comments?
> 
> Thanks,
> Andrew

Thanks for the improvment, looks good to me and quite impressive speed
up at least as seen in thie micro benchmark.

Kind regards,
para

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