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riscv: smp: Remove outdated comment about disabling preemption

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Commit f1a0a376ca ("sched/core: Initialize the idle task with
preemption disabled") removed a call to preempt_disable(), but not the
associated comment. Remove the outdated comment.

Fixes: f1a0a376ca ("sched/core: Initialize the idle task with preemption disabled")
Signed-off-by: Vivian Wang <wangruikang@iscas.ac.cn>
Link: https://patch.msgid.link/20260204-riscv-smp-comment-update-2026-01-v1-1-8b77aa181530@iscas.ac.cn
Signed-off-by: Paul Walmsley <pjw@kernel.org>
This commit is contained in:
Vivian Wang 2026-04-04 18:42:39 -06:00 committed by Paul Walmsley
parent 7d7c2d1c48
commit fe0cf82fde
1 changed files with 0 additions and 4 deletions
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4
arch/riscv/kernel/smpboot.c
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@ -259,10 +259,6 @@ asmlinkage __visible void smp_callin(void)
#ifndef CONFIG_HOTPLUG_PARALLEL
complete(&cpu_running);
#endif
/*
* Disable preemption before enabling interrupts, so we don't try to
* schedule a CPU that hasn't actually started yet.
*/
local_irq_enable();
cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
}