From 9ebd48965864093b2616cab2df2ea9a73f3aab53 Mon Sep 17 00:00:00 2001 From: Andriy Skulysh Date: Wed, 27 Apr 2016 21:37:16 -0400 Subject: [PATCH] staging: lustre: libcfs: Fix NUMA emulated mode Kernel commit c1c3443c9c5e9be92641029ed229a41563e44506 assigns all allowed cpus to emulated node. End cpt initialization loop when all CPUs are assigned. Signed-off-by: Andriy Skulysh Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3992 Reviewed-on: http://review.whamcloud.com/7724 Reviewed-by: Liang Zhen Reviewed-by: Oleg Drokin Signed-off-by: James Simmons Signed-off-by: Greg Kroah-Hartman --- drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c index 389fb9eeea75..b52518c54efe 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c @@ -755,8 +755,13 @@ cfs_cpt_table_create(int ncpt) struct cfs_cpu_partition *part; int n; - if (cpt >= ncpt) - goto failed; + /* + * Each emulated NUMA node has all allowed CPUs in + * the mask. + * End loop when all partitions have assigned CPUs. + */ + if (cpt == ncpt) + break; part = &cptab->ctb_parts[cpt];