lkml.org 
[lkml]   [2019]   [Aug]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [v2 PATCH] RISC-V: Optimize tlb flush path.
On Wed, Aug 21, 2019 at 09:22:48AM +0530, Anup Patel wrote:
> I agree that IPI mechanism should be standardized for RISC-V but I
> don't support the idea of mandating CLINT as part of the UNIX
> platform spec. For example, the AndesTech SOC does not use CLINT
> instead they have PLMT for per-HART timer and PLICSW for per-HART
> IPIs.

The point is not really mandating a CLINT as know right now. The
point is to mandate one way to issue IPIs from S-mode to S-mode,
one way to read the time counter and one way to write the timer
threshold.

\
 
 \ /
  Last update: 2019-08-21 09:19    [W:0.057 / U:6.784 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site