[PATCH v2] ufs: core: Avoid IRQ thread wakeup during active UIC command

[Bart Van Assche]

On 3/18/26 12:32 PM, Marek Szyprowski wrote:
> I must have mixed something while calculating offsets for addr2line. I
> checked again and I found that there is already a script doing that.
> I've recompiled kernel with -Os (assuming that this way less code will
> be inlined) and this is the result:
> 
> [ ... ]
> 
> # ./scripts/faddr2line vmlinux "ufshcd_sl_intr+0x50/0x598"
> ufshcd_sl_intr+0x50/0x598:
> ufshcd_uic_cmd_compl at drivers/ufs/core/ufshcd.c:5570
> (inlined by) ufshcd_sl_intr at drivers/ufs/core/ufshcd.c:7144

Thanks! So it's the guard(spinlock_irqsave)(hba->host->host_lock)
statement. Not sure why it triggers an "invalid wait context" complaint.
Is CONFIG_PREEMPT_RT perhaps enabled in your kernel configuration?

Thanks,

Bart.