Date: Tue, 5 Apr 2011 14:15:58 +0000 (UTC) From: Attilio Rao <attilio@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/ddb db_command.c Message-ID: <201104062120.p36LKSd6009845@repoman.freebsd.org>
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attilio 2011-04-05 14:15:58 UTC
FreeBSD src repository
Modified files:
sys/ddb db_command.c
Log:
SVN rev 220362 on 2011-04-05 14:15:58Z by attilio
Extend the DDB command "watchdog" with the ability to specify a timeout
value.
The timeout is expressed in the form T(N) = (2^N * nanoseconds) and can
be easilly extracted from the watchdog interface as a WD_TO_* macro.
That new functionality is supposed to fix re-entering the kernel from DDB
re-enabling the watchdog again (previously disabled) and also offer the
possibility to break for deadlocked DDB commands.
Please note that retro-compatibility is retained.
Sponsored by: Sandvine Incorporated
Approved by: des
MFC after: 10 days
Revision Changes Path
1.85 +25 -8 src/sys/ddb/db_command.c
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