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| author | Dawei Li <dawei.li@shingroup.cn> | 2024-04-24 05:55:46 +0300 |
|---|---|---|
| committer | Andreas Larsson <andreas@gaisler.com> | 2024-05-08 20:42:15 +0300 |
| commit | 3e4b2f08296e7ae08eae967161523d0500093646 (patch) | |
| tree | b737c169899a44753b3e0cc2913b5be3e0896a31 /arch/sparc | |
| parent | c4650ba96cb01b83cb87fb4eddc2e313ea17f4cb (diff) | |
| download | linux-3e4b2f08296e7ae08eae967161523d0500093646.tar.xz | |
sparc/of: Remove on-stack cpumask var
In general it's preferable to avoid placing cpumasks on the stack, as
for large values of NR_CPUS these can consume significant amounts of
stack space and make stack overflows more likely.
@cpumask of irq_set_affinity() is read-only and free of change, drop
unneeded cpumask var.
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Dawei Li <dawei.li@shingroup.cn>
Reviewed-by: Andreas Larsson <andreas@gaisler.com>
Link: https://lore.kernel.org/r/20240424025548.3765250-4-dawei.li@shingroup.cn
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/kernel/of_device_64.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c index c350c58c7f69..f98c2901f335 100644 --- a/arch/sparc/kernel/of_device_64.c +++ b/arch/sparc/kernel/of_device_64.c @@ -624,10 +624,7 @@ static unsigned int __init build_one_device_irq(struct platform_device *op, out: nid = of_node_to_nid(dp); if (nid != -1) { - cpumask_t numa_mask; - - cpumask_copy(&numa_mask, cpumask_of_node(nid)); - irq_set_affinity(irq, &numa_mask); + irq_set_affinity(irq, cpumask_of_node(nid)); } return irq; |