Re: [PATCH v4 5/5] powerpc/watchdog: help remote CPUs to flush NMI printk output

2021-11-19 Thread Laurent Dufour
Le 19/11/2021 à 12:31, Nicholas Piggin a écrit : The printk layer at the moment does not seem to have a good way to force flush printk messages that are created in NMI context, except in the panic path. NMI-context printk messages normally get to the console with irq_work, but that won't help if

[PATCH v4 5/5] powerpc/watchdog: help remote CPUs to flush NMI printk output

2021-11-19 Thread Nicholas Piggin
The printk layer at the moment does not seem to have a good way to force flush printk messages that are created in NMI context, except in the panic path. NMI-context printk messages normally get to the console with irq_work, but that won't help if the CPU is stuck with irqs disabled, as can be the