lkml.org 
[lkml]   [2019]   [Aug]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [v2 PATCH] RISC-V: Optimize tlb flush path.
Date
On Aug 19 2019, "hch@infradead.org" <hch@infradead.org> 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.

--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1
"And now for something completely different."

\
 
 \ /
  Last update: 2019-08-20 09:16    [W:0.105 / U:0.268 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site