lkml.org 
[lkml]   [2015]   [Jan]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC v4 1/2] x86/xen: add xen_is_preemptible_hypercall()
On Thu, Jan 22, 2015 at 05:40:45PM -0800, Andy Lutomirski wrote:
> On Thu, Jan 22, 2015 at 4:29 PM, Luis R. Rodriguez
> <mcgrof@do-not-panic.com> wrote:
> > From: "Luis R. Rodriguez" <mcgrof@suse.com>
> >
> > On kernels with voluntary or no preemption we can run
> > into situations where a hypercall issued through userspace
> > will linger around as it addresses sub-operatiosn in kernel
> > context (multicalls). Such operations can trigger soft lockup
> > detection.
>
> Looks reasonable.

I'll add a reviewed-by...

LUis


\
 
 \ /
  Last update: 2015-01-27 03:01    [W:0.073 / U:0.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site