lkml.org 
[lkml]   [2018]   [Aug]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC 0/4] Virtio uses DMA API for all devices
On Mon, Aug 06, 2018 at 09:10:40AM -0700, Christoph Hellwig wrote:
> On Mon, Aug 06, 2018 at 07:06:05PM +0300, Michael S. Tsirkin wrote:
> > > I've done something very similar in the thread I posted a few years
> > > ago.
> >
> > Right so that was before spectre where a virtual call was cheaper :(
>
> Sorry, I meant days, not years. The whole point of the thread was the
> slowdowns due to retpolines, which are the software spectre mitigation.

Oh that makes sense then. Could you post a pointer pls so
this patchset is rebased on top (there are things to
change about 4/4 but 1-3 could go in if they don't add
overhead)?

--
MST

\
 
 \ /
  Last update: 2018-08-06 18:15    [W:0.087 / U:0.584 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site