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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2009-06-12 10:26:44 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-06-12 10:27:38 +0200 |
| commit | dfd9f7abc0fb67b5781f340d982384cea53b2884 (patch) | |
| tree | 850baae88167699f45ba1dea1765b9156373db72 /arch/s390/kernel/early.c | |
| parent | [S390] kprobes: use probe_kernel_write (diff) | |
| download | linux-dfd9f7abc0fb67b5781f340d982384cea53b2884.tar.xz linux-dfd9f7abc0fb67b5781f340d982384cea53b2884.zip | |
[S390] ftrace: add dynamic ftrace support
Dynamic ftrace support for s390.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/early.c')
| -rw-r--r-- | arch/s390/kernel/early.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index cf09948faad6..fb263736826c 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -11,6 +11,7 @@ #include <linux/errno.h> #include <linux/string.h> #include <linux/ctype.h> +#include <linux/ftrace.h> #include <linux/lockdep.h> #include <linux/module.h> #include <linux/pfn.h> @@ -410,5 +411,8 @@ void __init startup_init(void) sclp_facilities_detect(); detect_memory_layout(memory_chunk); S390_lowcore.machine_flags = machine_flags; +#ifdef CONFIG_DYNAMIC_FTRACE + S390_lowcore.ftrace_func = (unsigned long)ftrace_caller; +#endif lockdep_on(); } |