Author: mav
Date: Sun Jul 11 17:08:37 2010
New Revision: 209901
URL: http://svn.freebsd.org/changeset/base/209901
Log:
Make kernel panic with reasonable message if no usable event timer found.
Modified:
head/sys/x86/x86/timeevents.c
Modified: head/sys/x86/x86/timeevents.c
==============================================================================
--- head/sys/x86/x86/timeevents.c Sun Jul 11 16:47:45 2010
(r209900)
+++ head/sys/x86/x86/timeevents.c Sun Jul 11 17:08:37 2010
(r209901)
@@ -309,6 +309,8 @@ cpu_initclocks_bsp(void)
timer[0] = et_find(timername[0], ET_FLAGS_PERIODIC, ET_FLAGS_PERIODIC);
if (timer[0] == NULL)
timer[0] = et_find(NULL, ET_FLAGS_PERIODIC, ET_FLAGS_PERIODIC);
+ if (timer[0] == NULL)
+ panic("No usable event timer found!");
et_init(timer[0], timer1cb, NULL, NULL);
timer[1] = et_find(timername[1][0] ? timername[1] : NULL,
ET_FLAGS_PERIODIC, ET_FLAGS_PERIODIC);
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