Author: hselasky
Date: Fri Jun 3 09:10:37 2016
New Revision: 301261
URL: https://svnweb.freebsd.org/changeset/base/301261
Log:
MFC r300489:
Use DELAY() instead of _sleep() when SCHEDULER_STOPPED() is set inside
pause_sbt(). This allows pause() to continue working during a panic()
which is not invoking KDB. This is useful when debugging graphics
drivers using the LinuxKPI.
Modified:
stable/10/sys/kern/kern_synch.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/kern/kern_synch.c
==============================================================================
--- stable/10/sys/kern/kern_synch.c Fri Jun 3 09:07:40 2016
(r301260)
+++ stable/10/sys/kern/kern_synch.c Fri Jun 3 09:10:37 2016
(r301261)
@@ -362,7 +362,7 @@ pause_sbt(const char *wmesg, sbintime_t
if (sbt == 0)
sbt = tick_sbt;
- if (cold || kdb_active) {
+ if (cold || kdb_active || SCHEDULER_STOPPED()) {
/*
* We delay one second at a time to avoid overflowing the
* system specific DELAY() function(s):
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