On Fri, 2010-07-23 at 10:38 +0530, Vaidyanathan Srinivasan wrote: > Yes. extended_cede_processor() will return with interrupts enabled in > the cpu. (This is done by the hypervisor). Under normal cases we > cannot be interrupted because no IO interrupts are routed to us after > xics_teardown_cpu() and since the CPU is out of the map, nobody will > send us IPIs.
What about decrementer ? > Though H_CEDE will return with interrupts enabled, it is unlikely that > an interrupt can be delivered in this context. Well, if interrupts are soft-disabled, even if one occurs, we will just mask and return, so that at least should be ok. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev