>> +ia64 - is safe_halt call racy vs interrupts? (does it >sleep?) (See #4a) >> >> safe_halt() makes a call to PAL[1] to go to a lower power state. It does >> not do anything that would require a sleep. >> > >So it won't need an interrupt to be revived out of that state? >Thank you Tony, I'll take ia64 off the list.
Ummm ... no. The processor will stay in the low power state until an unmasked external interrupt occurs (or one of several other more intrusive events like reset, machine check, PMI occur). -Tony
