[PATCH v10 2/3] powerpc: Use cpu_smallcore_sibling_mask at SMT level on bigcores

2018-10-10 Thread Gautham R. Shenoy
From: "Gautham R. Shenoy" POWER9 SMT8 cores consist of two groups of threads, where threads in each group shares L1-cache. The scheduler is not aware of this distinction as the current sched-domain hierarchy has all the threads of the core defined at the SMT domain. SMT [Thread

[PATCH v10 2/3] powerpc: Use cpu_smallcore_sibling_mask at SMT level on bigcores

2018-10-10 Thread Gautham R. Shenoy
From: "Gautham R. Shenoy" POWER9 SMT8 cores consist of two groups of threads, where threads in each group shares L1-cache. The scheduler is not aware of this distinction as the current sched-domain hierarchy has all the threads of the core defined at the SMT domain. SMT [Thread