Re: [PATCH 1/3] printk: introduce console_reset_on_panic() function

2016-01-31 Thread kbuild test robot
Hi Sergey, [auto build test ERROR on linus/master] [also build test ERROR on v4.5-rc1 next-20160129] [cannot apply to tip/core/locking] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Sergey-Se

[PATCH 1/3] printk: introduce console_reset_on_panic() function

2016-01-31 Thread Sergey Senozhatsky
CPU stop IPI issued from panic() on CPUA, can leave console_sem locked on CPUB if that cpu was holding the console_sem lock at the time when IPI arrived. console_flush_on_panic() is trying to workaround it by ignoring the return status of console_trylock() and unconditionally executing console_unlo