Re: some thoughts about TSC based delay_tsc()

2007-11-21 Thread Ingo Molnar
* Marin Mitov <[EMAIL PROTECTED]> wrote: > On Wednesday 21 November 2007 09:27:54 pm you wrote: > > * Marin Mitov <[EMAIL PROTECTED]> wrote: > > > Hi Ingo, > > > > > > The patch is quite good ;-) but we forget when it is needed :-( In > > > fact we need it only for PREEMPT SMP kernels - it could

Re: some thoughts about TSC based delay_tsc()

2007-11-21 Thread Marin Mitov
On Wednesday 21 November 2007 09:27:54 pm you wrote: > * Marin Mitov <[EMAIL PROTECTED]> wrote: > > Hi Ingo, > > > > The patch is quite good ;-) but we forget when it is needed :-( In > > fact we need it only for PREEMPT SMP kernels - it could hurt PREEMPT > > UP kernels (no migration possible), so