Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / dumpstack.c

diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index 87d103ded1c325a71d0ba65126bfd81996f78915..95ea5fa7d4445540c67bdb28ad13102df4248143 100644 (file)
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -10,10 +10,12 @@
 #include <linux/kdebug.h>
 #include <linux/module.h>
 #include <linux/ptrace.h>
+#include <linux/ftrace.h>
 #include <linux/kexec.h>
 #include <linux/bug.h>
 #include <linux/nmi.h>
 #include <linux/sysfs.h>
+#include <linux/ftrace.h>
 
 #include <asm/stacktrace.h>
 
@@ -195,6 +197,11 @@ unsigned __kprobes long oops_begin(void)
        int cpu;
        unsigned long flags;
 
+       /* notify the hw-branch tracer so it may disable tracing and
+          add the last trace to the trace buffer -
+          the earlier this happens, the more useful the trace. */
+       trace_hw_branch_oops();
+
        oops_enter();
 
        /* racy, but better than risking deadlock. */