AuxXxilium/linux_dsm_epyc7002
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64438e1bc0
linux_dsm_epyc7002/arch/s390
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Heiko Carstens 64438e1bc0 s390/numa: let NODES_SHIFT depend on NEED_MULTIPLE_NODES 
Qian Cai reported:
"""
When NUMA=n and nr_node_ids=2, in apply_wqattrs_prepare(), it has,

for_each_node(node) {
        if (wq_calc_node_cpumask(...

where it will trigger a booting warning,

WARNING: workqueue cpumask: online intersect > possible intersect

because it found 2 nodes and wq_numa_possible_cpumask[1] is an empty
cpumask.
"""

Let NODES_SHIFT depend on NEED_MULTIPLE_NODES like it is done
on other architectures in order to fix this.

Fixes: 701dc81e74 ("s390/mm: remove fake numa support")
Reported-by: Qian Cai <cai@lca.pw>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2020-06-16 13:44:05 +02:00
..
appldata s390 updates for the 5.8 merge window 2020-06-08 12:05:31 -07:00
boot mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
configs s390 updates for the 5.7 merge window 2020-04-04 09:45:50 -07:00
crypto s390/crypto: use scnprintf() instead of snprintf() 2020-06-16 13:44:05 +02:00
hypfs fs_parse: fold fs_parameter_desc/fs_parameter_spec 2020-02-07 14:48:37 -05:00
include s390/vdso: fix vDSO clock_getres() 2020-06-16 13:44:05 +02:00
kernel s390/vdso: fix vDSO clock_getres() 2020-06-16 13:44:05 +02:00
kvm Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
lib s390 updates for the 5.8 merge window 2020-06-08 12:05:31 -07:00
mm mmap locking API: convert mmap_sem comments 2020-06-09 09:39:14 -07:00
net s390/bpf: Use bcr 0,%0 as tail call nop filler 2020-06-02 21:04:04 +02:00
numa s390/mm: remove fake numa support 2020-02-27 16:02:21 +01:00
oprofile
pci mmap locking API: use coccinelle to convert mmap_sem rwsem call sites 2020-06-09 09:39:14 -07:00
purgatory .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
scripts
tools .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
Kbuild
Kconfig s390/numa: let NODES_SHIFT depend on NEED_MULTIPLE_NODES 2020-06-16 13:44:05 +02:00
Kconfig.debug treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile s390: make 'install' not depend on vmlinux 2020-02-17 18:01:58 +01:00