lkml.org 
[lkml]   [2017]   [Dec]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC PATCH for 4.16 02/21] rseq: Introduce restartable sequences system call (v12)
On Thu, 14 Dec 2017, Mathieu Desnoyers wrote:

> If we port this concept to kernel-space (as I start to understand
> would be your wish), then a simple pointer store to the current
> task_struct would suffice.

Certainly such a port would be beneficial for non x86 archs.

But my company has extensive user space code that maintains a lot of
counters and does other tricks to get full performance out of the
hardware. Such a mechanism would also be good from user space. Why keep
the good stuff only inside the kernel?

\
 
 \ /
  Last update: 2017-12-14 22:14    [W:0.068 / U:0.428 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site