On Tue, Jan 08, 2019 at 02:07:27PM +0000, Julien Thierry wrote: > CPU does not received signals for interrupts with a priority masked by > ICC_PMR_EL1. This means the CPU might not come back from a WFI > instruction. > > Make sure ICC_PMR_EL1 does not mask interrupts when doing a WFI. > > Since the logic of cpu_do_idle is becoming a bit more complex than just > two instructions, lets turn it from ASM to C.
I haven't checked all the call paths, so asking here: does the core code normally call arch_cpu_idle() with IRQs off? -- Catalin
