Re: [PATCH v1] powerpc/watchdog: help remote CPUs to flush NMI printk output

2021-11-19 Thread Nicholas Piggin
Excerpts from Daniel Axtens's message of November 12, 2021 4:08 pm: > Hi, > >> 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 conso

Re: [PATCH v1] powerpc/watchdog: help remote CPUs to flush NMI printk output

2021-11-11 Thread Daniel Axtens
Hi, > 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 disable

[PATCH v1] powerpc/watchdog: help remote CPUs to flush NMI printk output

2021-11-09 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