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| author | James Morris <jmorris@namei.org> | 2009-05-08 17:56:47 +1000 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2009-05-08 17:56:47 +1000 |
| commit | d254117099d711f215e62427f55dfb8ebd5ad011 (patch) | |
| tree | 0848ff8dd74314fec14a86497f8d288c86ba7c65 /arch/x86/kernel/dumpstack.c | |
| parent | 07ff7a0b187f3951788f64ae1f30e8109bc8e9eb (diff) | |
| parent | 8c9ed899b44c19e81859fbb0e9d659fe2f8630fc (diff) | |
Merge branch 'master' into next
Diffstat (limited to 'arch/x86/kernel/dumpstack.c')
| -rw-r--r-- | arch/x86/kernel/dumpstack.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index 87d103ded1c3..95ea5fa7d444 100644 --- 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. */ |