Re: [PATCH] PPC: Don't sync timebase when inside VM

2012-03-08 Thread McClintock Matthew-B29882
On Thu, Mar 8, 2012 at 12:43 PM, Scott Wood wrote: > On 03/08/2012 12:24 PM, McClintock Matthew-B29882 wrote: >> On Thu, Mar 8, 2012 at 12:20 PM, Scott Wood wrote: >>> On 03/08/2012 11:31 AM, McClintock Matthew-B29882 wrote: On Fri, Mar 2, 2012 at 11:17 AM, Scott Wood wrote: > On

Re: [PATCH] PPC: Don't sync timebase when inside VM

2012-03-08 Thread Scott Wood
On 03/08/2012 12:24 PM, McClintock Matthew-B29882 wrote: > On Thu, Mar 8, 2012 at 12:20 PM, Scott Wood wrote: >> On 03/08/2012 11:31 AM, McClintock Matthew-B29882 wrote: >>> On Fri, Mar 2, 2012 at 11:17 AM, Scott Wood wrote: On 03/02/2012 10:30 AM, Alexander Graf wrote: > > On 02.03.

Re: [PATCH] PPC: Don't sync timebase when inside VM

2012-03-08 Thread McClintock Matthew-B29882
On Thu, Mar 8, 2012 at 12:20 PM, Scott Wood wrote: > On 03/08/2012 11:31 AM, McClintock Matthew-B29882 wrote: >> On Fri, Mar 2, 2012 at 11:17 AM, Scott Wood wrote: >>> On 03/02/2012 10:30 AM, Alexander Graf wrote: On 02.03.2012, at 17:20, Scott Wood wrote: > Again, for 85xx we shoul

Re: [PATCH] PPC: Don't sync timebase when inside VM

2012-03-08 Thread Scott Wood
On 03/08/2012 11:31 AM, McClintock Matthew-B29882 wrote: > On Fri, Mar 2, 2012 at 11:17 AM, Scott Wood wrote: >> On 03/02/2012 10:30 AM, Alexander Graf wrote: >>> >>> On 02.03.2012, at 17:20, Scott Wood wrote: Again, for 85xx we should *never* sync the timebase in the kernel, hypervisor

Re: [PATCH] PPC: Don't sync timebase when inside VM

2012-03-08 Thread McClintock Matthew-B29882
On Fri, Mar 2, 2012 at 11:17 AM, Scott Wood wrote: > On 03/02/2012 10:30 AM, Alexander Graf wrote: >> >> On 02.03.2012, at 17:20, Scott Wood wrote: >> >>> On Fri, Mar 02, 2012 at 03:12:33PM +0100, Alexander Graf wrote: When running inside a virtual machine, we can not modify timebase, so

Re: [PATCH] PPC: Don't sync timebase when inside VM

2012-03-02 Thread Scott Wood
On 03/02/2012 10:30 AM, Alexander Graf wrote: > > On 02.03.2012, at 17:20, Scott Wood wrote: > >> On Fri, Mar 02, 2012 at 03:12:33PM +0100, Alexander Graf wrote: >>> When running inside a virtual machine, we can not modify timebase, so >>> let's just not call the functions for it then. >>> >>> Th

Re: [PATCH] PPC: Don't sync timebase when inside VM

2012-03-02 Thread Alexander Graf
On 02.03.2012, at 17:20, Scott Wood wrote: > On Fri, Mar 02, 2012 at 03:12:33PM +0100, Alexander Graf wrote: >> When running inside a virtual machine, we can not modify timebase, so >> let's just not call the functions for it then. >> >> This resolves hangs when booting e500 SMP guests on overco

Re: [PATCH] PPC: Don't sync timebase when inside VM

2012-03-02 Thread Scott Wood
On Fri, Mar 02, 2012 at 03:12:33PM +0100, Alexander Graf wrote: > When running inside a virtual machine, we can not modify timebase, so > let's just not call the functions for it then. > > This resolves hangs when booting e500 SMP guests on overcommitted hosts. > > Reported-by: Stuart Yoder > Si

[PATCH] PPC: Don't sync timebase when inside VM

2012-03-02 Thread Alexander Graf
When running inside a virtual machine, we can not modify timebase, so let's just not call the functions for it then. This resolves hangs when booting e500 SMP guests on overcommitted hosts. Reported-by: Stuart Yoder Signed-off-by: Alexander Graf --- arch/powerpc/platforms/85xx/smp.c |7 +++