Re: [Qemu-devel] [PATCH v3] spapr: set vsmt to MAX(8, smp_threads)

2018-02-12 Thread David Gibson
On Mon, Feb 12, 2018 at 12:11:27PM +0100, Greg Kurz wrote: > On Sat, 10 Feb 2018 20:23:07 +1100 > David Gibson wrote: > > > On Fri, Feb 09, 2018 at 03:06:49PM +0100, Greg Kurz wrote: > > > On Fri, 9 Feb 2018 09:18:58 +0100 > > > Laurent Vivier wrote: > > > > > > > We ignore silently the valu

Re: [Qemu-devel] [PATCH v3] spapr: set vsmt to MAX(8, smp_threads)

2018-02-12 Thread Greg Kurz
On Sat, 10 Feb 2018 20:23:07 +1100 David Gibson wrote: > On Fri, Feb 09, 2018 at 03:06:49PM +0100, Greg Kurz wrote: > > On Fri, 9 Feb 2018 09:18:58 +0100 > > Laurent Vivier wrote: > > > > > We ignore silently the value of smp_threads when we set > > > the default VSMT value, and if smp_threa

Re: [Qemu-devel] [PATCH v3] spapr: set vsmt to MAX(8, smp_threads)

2018-02-10 Thread David Gibson
On Fri, Feb 09, 2018 at 03:06:49PM +0100, Greg Kurz wrote: > On Fri, 9 Feb 2018 09:18:58 +0100 > Laurent Vivier wrote: > > > We ignore silently the value of smp_threads when we set > > the default VSMT value, and if smp_threads is greater than VSMT > > kernel is going into trouble later. > > >

Re: [Qemu-devel] [PATCH v3] spapr: set vsmt to MAX(8, smp_threads)

2018-02-10 Thread David Gibson
On Fri, Feb 09, 2018 at 09:18:58AM +0100, Laurent Vivier wrote: > We ignore silently the value of smp_threads when we set > the default VSMT value, and if smp_threads is greater than VSMT > kernel is going into trouble later. > > Fixes: 8904e5a750 > ("spapr: Adjust default VSMT value for better mi

Re: [Qemu-devel] [PATCH v3] spapr: set vsmt to MAX(8, smp_threads)

2018-02-09 Thread Greg Kurz
On Fri, 9 Feb 2018 09:18:58 +0100 Laurent Vivier wrote: > We ignore silently the value of smp_threads when we set > the default VSMT value, and if smp_threads is greater than VSMT > kernel is going into trouble later. > Hi Laurent, I've looked a bit more and I'm not sure what kernel troubles