github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-01 02:53:36 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

perf/arm-cmn: Clean up unnecessary NUMA_NO_NODE check

Browse Source 
Checking for NUMA_NO_NODE is a misleading and, on reflection, entirely
unnecessary micro-optimisation. If it ever did happen that an incoming
CPU has no NUMA affinity while the current CPU does, a questionably-
useful PMU migration isn't the biggest thing wrong with that picture...

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/00634da33c21269a00844140afc7cc3a2ac1eb4d.1725474584.git.robin.murphy@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Robin Murphy 2024-09-04 19:41:54 +01:00 committed by Will Deacon
parent 0dc2f4963f
commit f04b611e66
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/perf/arm-cmn.c
View File

@ -2023,7 +2023,7 @@ static int arm_cmn_pmu_online_cpu(unsigned int cpu, struct hlist_node *cpuhp_nod
cmn = hlist_entry_safe(cpuhp_node, struct arm_cmn, cpuhp_node);
node = dev_to_node(cmn->dev);
if (node != NUMA_NO_NODE && cpu_to_node(cmn->cpu) != node && cpu_to_node(cpu) == node)
if (cpu_to_node(cmn->cpu) != node && cpu_to_node(cpu) == node)
arm_cmn_migrate(cmn, cpu);
return 0;
}