Re: [RFC] cycle timer read extension for raw1394/libraw1394

2007-01-27 Thread Stefan Richter
Pieter Palmers wrote: > Stefan Richter wrote: >> Thus? >> preempt_disable(); >> local_irq_save(flags); >> >> read_cycle_timer; >> read_time_of_day; >> >> local_irq_restore(flags); >> preempt_enable(); >> >> in hpsb_read_cycle_timer. > My main issue was that I still had to fi

Re: [RFC] cycle timer read extension for raw1394/libraw1394

2007-01-27 Thread Pieter Palmers
Stefan Richter wrote: (Cc lkml) Pieter Palmers wrote to linux1394-devel: Attached are two patches containing an extension to libraw1394 and the kernel stack, implementing the simultaneous read of the isochronous cycle timer and the system clock (in usecs). This implements what has been requeste

Re: [RFC] cycle timer read extension for raw1394/libraw1394

2007-01-27 Thread Stefan Richter
(Cc lkml) Pieter Palmers wrote to linux1394-devel: > Attached are two patches containing an extension to libraw1394 and the > kernel stack, implementing the simultaneous read of the isochronous > cycle timer and the system clock (in usecs). This implements what has > been requested before on the l