Re: [Xenomai-core] T_FPU without effect

2006-04-15 Thread Gilles Chanteperdrix
Jan Kiszka wrote: thread in primary mode uses FPU for the first time on x86, the FPU hardware is initialized in the fault handler, this is the expected behaviour. This allow the nucleus to not switch FPU context for user-space threads that never use the FPU. But doesn't this lazy

[Xenomai-core] Re: [REQUEST] eliminate the rthal_critical_enter/exit() from rthal_irq_request()

2006-04-15 Thread Philippe Gerum
Dmitry Adamushko wrote: Hi, the following question/suggestion : it could be good to eliminate the use of rthal_critical_enter/exit() from rthal_irq_request() if it's not strictly necessary. the proposal : int rthal_irq_request (unsigned irq, rthal_irq_handler_t