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| author | Wolfram Sang <wsa@the-dreams.de> | 2018-12-11 20:58:20 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2018-12-11 20:58:20 +0100 |
| commit | 66693960f574aa830986e1603657af36423b24eb (patch) | |
| tree | 035aae54d64d79e514f95e18cc3dcf411a98c55e /arch/microblaze/kernel/ftrace.c | |
| parent | 3ca3f86f7f4856222a8b697d60d32717160a1a1b (diff) | |
| parent | 40e020c129cfc991e8ab4736d2665351ffd1468d (diff) | |
| download | linux-66693960f574aa830986e1603657af36423b24eb.tar.gz linux-66693960f574aa830986e1603657af36423b24eb.tar.bz2 linux-66693960f574aa830986e1603657af36423b24eb.zip | |
Merge tag 'v4.20-rc6' into i2c/for-5.0
Linux 4.20-rc6
Diffstat (limited to 'arch/microblaze/kernel/ftrace.c')
| -rw-r--r-- | arch/microblaze/kernel/ftrace.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/arch/microblaze/kernel/ftrace.c b/arch/microblaze/kernel/ftrace.c index d57563c58a26..224eea40e1ee 100644 --- a/arch/microblaze/kernel/ftrace.c +++ b/arch/microblaze/kernel/ftrace.c @@ -22,8 +22,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) { unsigned long old; - int faulted, err; - struct ftrace_graph_ent trace; + int faulted; unsigned long return_hooker = (unsigned long) &return_to_handler; @@ -63,18 +62,8 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) return; } - err = ftrace_push_return_trace(old, self_addr, &trace.depth, 0, NULL); - if (err == -EBUSY) { + if (function_graph_enter(old, self_addr, 0, NULL)) *parent = old; - return; - } - - trace.func = self_addr; - /* Only trace if the calling function expects to */ - if (!ftrace_graph_entry(&trace)) { - current->curr_ret_stack--; - *parent = old; - } } #endif /* CONFIG_FUNCTION_GRAPH_TRACER */ |