Re: [PATCH v2] Make 83xx perfmon support selectable

2008-03-21 Thread Scott Wood
On Thu, Mar 20, 2008 at 07:59:41PM -0400, Jerry Van Baren wrote: > Per Andy (and my limited reading of the UMs), some 83xx have the PMR > registers and some don't. The compiler either supports the PMR register > or it doesn't. If you make it runtime configurable, people running CPUs > that

Re: [PATCH v2] Make 83xx perfmon support selectable

2008-03-20 Thread Jerry Van Baren
Kumar Gala wrote: On Mar 18, 2008, at 12:05 PM, Scott Wood wrote: On Fri, Mar 07, 2008 at 05:59:03PM -0600, Andy Fleming wrote: Not all e300 cores support the performance monitors, and the ones that don't will be confused by the mf/mtpmr instructions. This allows the support to be optional,

Re: [PATCH v2] Make 83xx perfmon support selectable

2008-03-19 Thread Kumar Gala
On Mar 18, 2008, at 12:05 PM, Scott Wood wrote: On Fri, Mar 07, 2008 at 05:59:03PM -0600, Andy Fleming wrote: Not all e300 cores support the performance monitors, and the ones that don't will be confused by the mf/mtpmr instructions. This allows the support to be optional, so the 8349 can tur

Re: [PATCH v2] Make 83xx perfmon support selectable

2008-03-18 Thread Scott Wood
On Fri, Mar 07, 2008 at 05:59:03PM -0600, Andy Fleming wrote: > Not all e300 cores support the performance monitors, and the ones > that don't will be confused by the mf/mtpmr instructions. This > allows the support to be optional, so the 8349 can turn it off > while the 8379 can turn it on. Sadl

Re: [PATCH v2] Make 83xx perfmon support selectable

2008-03-10 Thread Kumar Gala
On Mar 7, 2008, at 5:59 PM, Andy Fleming wrote: Not all e300 cores support the performance monitors, and the ones that don't will be confused by the mf/mtpmr instructions. This allows the support to be optional, so the 8349 can turn it off while the 8379 can turn it on. Sadly, those aren't co

Re: [PATCH v2] Make 83xx perfmon support selectable

2008-03-08 Thread Jerry Van Baren
Andy Fleming wrote: > Not all e300 cores support the performance monitors, and the ones > that don't will be confused by the mf/mtpmr instructions. This > allows the support to be optional, so the 8349 can turn it off > while the 8379 can turn it on. Sadly, those aren't config options, > so it wi

[PATCH v2] Make 83xx perfmon support selectable

2008-03-07 Thread Andy Fleming
Not all e300 cores support the performance monitors, and the ones that don't will be confused by the mf/mtpmr instructions. This allows the support to be optional, so the 8349 can turn it off while the 8379 can turn it on. Sadly, those aren't config options, so it will be left to the defconfigs a