lkml.org 
[lkml]   [2011]   [Nov]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 0/9] rework of extended state handling, LWP support
On Tue, Nov 29, 2011 at 01:31:09PM -0800, Andi Kleen wrote:
> Hans Rosenfeld <hans.rosenfeld@amd.com> writes:
> >
> > The lazy allocation of the xstate area has been removed. The support for
> > extended states that cannot be saved/restored lazily, like AMD's LWP,
> > need this. Since optimized library functions using SSE etc. are widely
> > used today, most processes would have an xstate area anyway, making the
> > memory overhead negligible.
>
> Do you have any data on that? It sounds dubious for specialized
> workloads.

What kind of specialized workload do you mean?


Hans


--
%SYSTEM-F-ANARCHISM, The operating system has been overthrown



\
 
 \ /
  Last update: 2011-11-30 18:41    [W:0.199 / U:0.784 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site