Title: [8233] trunk/arch/blackfin/mach-common/entry.S: Disable all irqs before calling trace_hardirqs_on().
- Revision
- 8233
- Author
- adamliyi
- Date
- 2010-01-25 23:17:02 -0500 (Mon, 25 Jan 2010)
Log Message
Disable all irqs before calling trace_hardirqs_on().
Otherwise, trace_hardirqs_on() simply returns and "irqsoff" tracer cannot record expected trace.
Modified Paths
Diff
Modified: trunk/arch/blackfin/mach-common/entry.S (8232 => 8233)
--- trunk/arch/blackfin/mach-common/entry.S 2010-01-26 04:02:44 UTC (rev 8232)
+++ trunk/arch/blackfin/mach-common/entry.S 2010-01-26 04:17:02 UTC (rev 8233)
@@ -997,6 +997,9 @@
[sp + PT_RESERVED] = p1;
#ifdef CONFIG_TRACE_IRQFLAGS
+ /* trace_hardirqs_on() checks if all irqs are disabled. But here IRQ 15
+ * is turned on, so disable all irqs. */
+ cli r0;
sp += -12;
call _trace_hardirqs_on;
sp += 12;
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