[PATCH 1/2] intel_idle: prevent SKL-H boot failure when C8+C9+C10 enabled

2016-03-23 Thread Len Brown
From: Len Brown Some SKL-H configurations require "intel_idle.max_cstate=7" to boot. While that is an effective workaround, it disables C10. This patch detects the problematic configuration, and disables C8 and C9, keeping C10 enabled. Note that enabling SGX in BIOS SETUP

[PATCH 1/2] intel_idle: prevent SKL-H boot failure when C8+C9+C10 enabled

2016-03-23 Thread Len Brown
From: Len Brown Some SKL-H configurations require "intel_idle.max_cstate=7" to boot. While that is an effective workaround, it disables C10. This patch detects the problematic configuration, and disables C8 and C9, keeping C10 enabled. Note that enabling SGX in BIOS SETUP can also prevent this