lkml.org 
[lkml]   [2009]   [Sep]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] core, x86: Add user return notifiers

* Avi Kivity <avi@redhat.com> wrote:

> On 09/19/2009 09:40 AM, Avi Kivity wrote:
>> Add a general per-cpu notifier that is called whenever the kernel is
>> about to return to userspace. The notifier uses a thread_info flag
>> and existing checks, so there is no impact on user return or context
>> switch fast paths.
>>
>
> Ingo/Peter?

Would be nice to convert some existing open-coded return-to-user-space
logic to this facility. One such candidate would be lockdep_sys_exit?

Ingo


\
 
 \ /
  Last update: 2009-09-22 16:35    [W:0.840 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site