Hello,
RFC
This patch set adds a printk() kernel thread which lets us to
print kernel messages to the console from a non-atomic/schedule-able
context, avoiding different sort of lockups, stalls, etc.
A completely reworked version, for more details please
see 0003 commit message and code comments/documentation.
v2->v3 (Petr, Pavel, Andreas):
-- rework offloading
-- use PM notifiers
-- dropped some patches, etc. etc.
v1->v2:
-- introduce printk_emergency mode and API to switch it on/off
-- move printk_pending out of per-CPU memory
-- add printk emergency_mode sysfs node
-- switch sysrq handlers (some of them) to printk_emergency
-- cleanus/etc.
Sergey Senozhatsky (5):
printk: move printk_pending out of per-cpu
printk: introduce printing kernel thread
printk: add enforce_emergency parameter
printk: enable printk offloading
printk: register PM notifier
include/linux/console.h | 3 +
kernel/printk/printk.c | 296 ++++++++++++++++++++++++++++++++++++++++++++----
2 files changed, 279 insertions(+), 20 deletions(-)
--
2.12.2
