Hello,
On (03/31/17 17:37), Petr Mladek wrote:
> On Wed 2017-03-29 18:25:08, Sergey Senozhatsky wrote:
> > It's not always possible/safe to wake_up() printk kernel
> > thread from sysrq (theoretically). Thus we better switch
> > printk() to emergency mode in some of the sysrq handlers,
> > which a
On Wed 2017-03-29 18:25:08, Sergey Senozhatsky wrote:
> It's not always possible/safe to wake_up() printk kernel
> thread from sysrq (theoretically). Thus we better switch
> printk() to emergency mode in some of the sysrq handlers,
> which allows us to immediately flush pending kernel message
> to
It's not always possible/safe to wake_up() printk kernel
thread from sysrq (theoretically). Thus we better switch
printk() to emergency mode in some of the sysrq handlers,
which allows us to immediately flush pending kernel message
to the console.
This patch adds printk_emergency_begin/on sections
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