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 allows us to immediately flush pending kernel message > > to the console. > > > > Signed-off-by: Sergey Senozhatsky <sergey.senozhat...@gmail.com> > > Suggested-by: Tetsuo Handa <penguin-ker...@i-love.sakura.ne.jp> > > It looks like a decent selection. It is pity that some of > them might produce rather long output and theoretically > cause a softlookup. But I do not know about a better solution > at the moment. In each case, it will not be worse than before > this patchset.
thanks. this patch will be replaced with a more 'generic' one, which I posted in reply yo Ye Xiaolong's report. -ss