Re: [PATCH] Fix: PowerNV crash with 4.4.0-rc8 at sched_init_numa

2016-01-18 Thread Jan Stancek
"grant likely" > , > nik...@linux.vnet.ibm.com, vdavy...@parallels.com, "raghavendra kt" > , > linuxppc-dev@lists.ozlabs.org, linux-ker...@vger.kernel.org, > linux...@kvack.org > Sent: Friday, 15 January, 2016 8:01:23 PM > Subject: [PATCH] Fix: PowerN

[PATCH] Fix: PowerNV crash with 4.4.0-rc8 at sched_init_numa

2016-01-15 Thread Raghavendra K T
Commit c118baf80256 ("arch/powerpc/mm/numa.c: do not allocate bootmem memory for non existing nodes") avoided bootmem memory allocation for non existent nodes. When DEBUG_PER_CPU_MAPS enabled, powerNV system failed to boot because in sched_init_numa, cpumask_or operation was done on unallocated no