Re: port-xen/42441 (DOM0 and DOMU work with only one cpu)

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

The following reply was made to PR port-xen/42441; it has been noted by GNATS.

From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
To: Martin Husemann <martin%duskware.de@localhost>
Cc: gnats-bugs%NetBSD.org@localhost, port-xen-maintainer%netbsd.org@localhost,
        gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost,
        petea_garstea%fincombank.com@localhost, gson%gson.org@localhost
Subject: Re: port-xen/42441 (DOM0 and DOMU work with only one cpu)
Date: Wed, 20 Jun 2018 12:23:23 +0200

 On Wed, Jun 20, 2018 at 12:18:57PM +0200, Martin Husemann wrote:
 > On Wed, Jun 20, 2018 at 07:30:01AM +0000, Andreas Gustafsson wrote:
 > >  It's not good enough for me.  DOM0 SMP support has been at the top of
 > >  my wish list of NetBSD features for years, and still is.
 > 
 > So what is wrong with DOM0 and SMP kernels? Can you reproduce failure?
 
 serveral dom0-only drivers (backends, some parts of xenbus) are not MP-safe.
 
 Just grep for 'splx' here ...
 
 -- 
 Manuel Bouyer <bouyer%antioche.eu.org@localhost>
      NetBSD: 26 ans d'experience feront toujours la difference
 --