Re: [RFC] ARC: setup cpu possible mask according to status field in dts

2018-01-05 Thread Vineet Gupta
On 12/22/2017 11:08 AM, Eugeniy Paltsev wrote: As we have option in u-boot to set CPU mask for running linux, we want to pass information to kernel about CPU cores should be brought up. So we patch kernel dtb in u-boot to set CPUs status. On linux boot we setup cpu possible mask according to st

[RFC] ARC: setup cpu possible mask according to status field in dts

2017-12-22 Thread Eugeniy Paltsev
As we have option in u-boot to set CPU mask for running linux, we want to pass information to kernel about CPU cores should be brought up. So we patch kernel dtb in u-boot to set CPUs status. On linux boot we setup cpu possible mask according to status field in each cpu node. It is generic method