Ian Pratt
2005-Sep-13 11:18 UTC
RE: [Xen-devel] [PATCH] Automatic bigsmp detection for i386 systemswith more than 8 cpus
> Ian, Keir, > What do you think of the bigsmp patch?If only we had a bigsmp to test it on :-)>From my POV it makes sense to include it, and a cursory look throughlooked sane. Not sure whether Keir has had a chance to look yet. Ian> >-----Original Message----- > >From: xen-devel-bounces@lists.xensource.com [mailto:xen-devel- > >bounces@lists.xensource.com] On Behalf Of Kamble, Nitin A > >Sent: Friday, September 09, 2005 4:56 PM > >To: xen-devel; ian.pratt@cl.cam.ac.uk; Keir Fraser > >Cc: akpm@osdl.org; Pallipadi, Venkatesh > >Subject: [Xen-devel] [PATCH] Automatic bigsmp detection for i386 > >systemswith more than 8 cpus > > > >Ian, Keir, > > Linux kernel is able to enable bigsmp mode automatically > if SMP i386 > >kernel finds more than 8 cpus in the system. This patch adds this > >missing feature to Xen hypervisor, to enable Xen booting fine on > systems > >with more than 8 CPUS without any commandline options. > > > >For reference here is the original patch for Linux Kernel. > >http://www.kernel.org/pub/linux/kernel/people/akpm/patches/2. > 6/2.6.13/2 > . > >6.13-mm1/broken-out/x86-automatically-enable-bigsmp-when-we-h > ave-more-t > h > >an-8-cpus-2.patch > > > >Please apply and/or provide comments. > > > >Signed-off-by: Nitin Kamble <nitin.a.kamble@intel.com> > >Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> > >Signed-off-by: Andrew Morton <akpm@osdl.org> > > > >Thanks & Regards, > >Nitin > >------------------------------------------------------------- > ---------- > - > >----------- > >Sr Software Engineer > >Open Source Technology Center, Intel Corp > >_______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Keir Fraser
2005-Sep-13 12:44 UTC
Re: [Xen-devel] [PATCH] Automatic bigsmp detection for i386 systemswith more than 8 cpus
On 13 Sep 2005, at 12:18, Ian Pratt wrote:> > If only we had a bigsmp to test it on :-) > > From my POV it makes sense to include it, and a cursory look through > looked sane. Not sure whether Keir has had a chance to look yet.I like to keep those files reasonably in sync with Linux, and prefer to do that with ''big bang'' re-sync every one in a while. I don''t see that patch in 2.6.13.1, and I''m wary about applying it until I see it in a mainline kernel.org kernel. In any case, the drawback of not applying right now is simply that bigsmp systems need bigsmp added to the boot line, which isn;t too much of a hardship for the very few users it affects. Probably I''ll do another big re-sync with 2.6.14, and presumably that will get us the auto-bigsmp patch at the same time. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel