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Subject[GIT PULL] printk for 4.21
Linus,

please pull the latest printk changes from

git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk tags/printk-for-4.21

==================

- Keep spinlocks busted until the end of panic()

- Fix races between calculating number of messages that would fit
into user space buffers, filling the buffers, and switching
printk.time parameter

- Some code clean up

----------------------------------------------------------------
Sergey Senozhatsky (1):
panic: avoid deadlocks in re-entrant console drivers

Tetsuo Handa (3):
printk: Make printk_emit() local function.
printk: fix printk_time race.
printk: Remove print_prefix() calls with NULL buffer.

include/linux/printk.h | 5 --
kernel/panic.c | 6 ++-
kernel/printk/printk.c | 131 ++++++++++++++++++++++++-------------------------
3 files changed, 68 insertions(+), 74 deletions(-)

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