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(parent: 2756613) | patch
documentation: Call out slow consoles as cause of stall warnings
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Tue, 4 Aug 2015 18:54:04 +0000 (11:54 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Tue, 6 Oct 2015 18:22:38 +0000 (11:22 -0700)
commitda873def8da5883a6c04d11f73dcd836c216cf4f
tree31acd41769b785280e4af9a69964f5974841fe6btree | snapshot
parent27566139b6e2f6cfe273e8bb0e538d7616c2ea00commit | diff
documentation: Call out slow consoles as cause of stall warnings

The Linux kernel outputs copious text during boot, and a slow serial
console can result in stall warnings, particularly when messages are
printed with interrupts disabled.  This commit adds this to the list
of causes of RCU CPU stall warning messages.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Documentation/RCU/stallwarn.txt diff | blob | history
Beck SC1x5 Kernel