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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2019-02-18 18:51:28 +0300 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2019-05-02 14:54:11 +0300 |
| commit | ec7bf4789d95a0053bac0dfa36fbefd8cc584eea (patch) | |
| tree | 5ad08bd5f30c065e312944baf8eafd0b4766f654 /arch/s390/kernel/entry.h | |
| parent | 78c98f9074135d3dab4e39544e0a537f92388fce (diff) | |
| download | linux-ec7bf4789d95a0053bac0dfa36fbefd8cc584eea.tar.xz | |
s390/ftrace: use HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
Make the call chain more reliable by tagging the ftrace stack entries
with the stack pointer that is associated with the return address.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/entry.h')
| -rw-r--r-- | arch/s390/kernel/entry.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h index c3816ae108b0..20420c2b8a14 100644 --- a/arch/s390/kernel/entry.h +++ b/arch/s390/kernel/entry.h @@ -65,7 +65,7 @@ int setup_profiling_timer(unsigned int multiplier); void __init time_init(void); int pfn_is_nosave(unsigned long); void s390_early_resume(void); -unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip); +unsigned long prepare_ftrace_return(unsigned long parent, unsigned long sp, unsigned long ip); struct s390_mmap_arg_struct; struct fadvise64_64_args; |