Re: [v2 PATCH] RISC-V: Optimize tlb flush path.

[Andreas Schwab]

On Aug 19 2019, "hch@xxxxxxxxxxxxx" <hch@xxxxxxxxxxxxx> wrote:

> This looks a little odd to m and assumes we never pass a size smaller
> than PAGE_SIZE.  Whule that is probably true, why not something like:
>
> 	if (size < PAGE_SIZE && size != -1)

ITYM size <= PAGE_SIZE.  And since size is unsigned it cannot be == -1
at the same time.

> 		local_flush_tlb_page(start);
> 	else
> 		local_flush_tlb_all();
>
> ?

Andreas.

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Andreas Schwab, schwab@xxxxxxxxxxxxxx
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