On Wed, 6 Aug 2008 16:17:10 +0000, Ricardo Mendoza <ricmm@xxxxxxxxxx> wrote: > I see, I hadn't read that thread before. Yoichi's rev of the patch > should go in but we should put some effort in finding a better route for > CPUs that are not forcefully aware by hardware of interrupts in their > wait call. > > Was some work ever done on Ralf's idea in the "WAIT vs. tickless kernel" > ML thread? Regarding patching the return from exception code to contain > a check for this particular loop. Yes. My last proposal is: http://www.linux-mips.org/archives/linux-mips/2007-11/msg00123.html To support vr41's standby instruction in same way, we might have to synthesise rollback_handle_int, etc. or r4k_wait at runtime... --- Atsushi Nemoto
