cifs: Ratelimit kernel log messages

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[ Upstream commit ec7147a99e ]

Under some conditions, CIFS can repeatedly call the cifs_dbg() logging
wrapper. If done rapidly enough, the console framebuffer can softlockup
or "rcu_sched self-detected stall". Apply the built-in log ratelimiters
to prevent such hangs.

Signed-off-by: Jamie Bainbridge <jamie.bainbridge@gmail.com>
Signed-off-by: Steve French <smfrench@gmail.com>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

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Jamie Bainbridge 2015-11-07 22:13:49 +10:00 • committed by Sasha Levin

parent 5301c06477

commit ca7342a8a3

2 changed files with 5 additions and 6 deletions

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2

fs/cifs/cifs_debug.c

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9

fs/cifs/cifs_debug.h

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