Re: [PATCH 1/2] HID: picolcd: Move output requests out of spinlocked sections

From: Jason Mike

Date: Mon Sep 28 2026 - 09:10:14 EST


On 2026-09-28 14:28:22 +0200, Sebastian Andrzej Siewior wrote:

> This is not limited to PREEMPT_RT.

Right, thanks for the correction. PREEMPT_RT was only the configuration
where I reproduced and tested the issue; the bug itself is not
PREEMPT_RT-specific.

> picolcd_data::lock. The important part is that the lock is a spinlock_t.
> Non-PREEMPT_RT builds should complain here, too.

Agreed. I'll update the commit message in v2 to make that explicit.
Thanks,
Aveline