On 02/23/2018 08:41 AM, Eugeniy Paltsev wrote: > Currently GFRC is running regardless state of ARC cores in the SMP cluster. > That means even if ARC cores are halted when doing JTAG debugging GFRC > [our source of wall-time] continues to run giving us unexpected warnings > once we allow ARC cores to run due to some tasks being stuck for too > long. > > Starting from ARC HS v3.0 it's possible to tie GFRC to state of up-to 4 > ARC cores with help of GFRC's CORE register where we set a mask for > cores which state we need to rely on. > > We update cpu mask every time new cpu came online instead of using > hardcoded one or using mask generated from "possible_cpus" as we > want it set correctly even if we run kernel on HW which has fewer cores > than expected (or we launch kernel via debugger and kick fever cores > than HW has) > > Signed-off-by: Alexey Brodkin<abrodkin at synopsys.com> > Signed-off-by: Eugeniy Paltsev<Eugeniy.Paltsev at synopsys.com> Acked-by: vineet Gupta <vgupta at synopsys.com>
