diff options
author | Boris Brezillon <boris.brezillon@bootlin.com> | 2018-12-18 20:00:52 +0100 |
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committer | Boris Brezillon <boris.brezillon@bootlin.com> | 2018-12-18 20:00:52 +0100 |
commit | f366d3854ec0fec0f9949dac46431598614a956b (patch) | |
tree | d60aa8b796ef2611b0ee28bccb38cca64a1aed2f /arch/s390/kernel/ftrace.c | |
parent | ccec4a4a4f27b22e51ec6a143319db49b7570581 (diff) | |
parent | b422847877e35d6818f65cb359a60f529fe22c4b (diff) |
Merge tag 'spi-nor/for-4.21' of git://git.infradead.org/linux-mtd into mtd/next
Core changes:
- Parse the 4BAIT SFDP section
- Add a bunch of SPI NOR entries to the flash_info table
- Add the concept of SFDP fixups and use it to fix a bug on MX25L25635F
- A bunch of minor cleanups/comestic changes
Diffstat (limited to 'arch/s390/kernel/ftrace.c')
-rw-r--r-- | arch/s390/kernel/ftrace.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c index 84be7f02d0c2..39b13d71a8fe 100644 --- a/arch/s390/kernel/ftrace.c +++ b/arch/s390/kernel/ftrace.c @@ -203,22 +203,13 @@ device_initcall(ftrace_plt_init); */ unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip) { - struct ftrace_graph_ent trace; - if (unlikely(ftrace_graph_is_dead())) goto out; if (unlikely(atomic_read(¤t->tracing_graph_pause))) goto out; ip -= MCOUNT_INSN_SIZE; - trace.func = ip; - trace.depth = current->curr_ret_stack + 1; - /* Only trace if the calling function expects to. */ - if (!ftrace_graph_entry(&trace)) - goto out; - if (ftrace_push_return_trace(parent, ip, &trace.depth, 0, - NULL) == -EBUSY) - goto out; - parent = (unsigned long) return_to_handler; + if (!function_graph_enter(parent, ip, 0, NULL)) + parent = (unsigned long) return_to_handler; out: return parent; } |