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/arm64/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/arm64/kernel/ftrace.c')
-rw-r--r-- | arch/arm64/kernel/ftrace.c | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/arch/arm64/kernel/ftrace.c b/arch/arm64/kernel/ftrace.c index 50986e388d2b..57e962290df3 100644 --- a/arch/arm64/kernel/ftrace.c +++ b/arch/arm64/kernel/ftrace.c @@ -216,8 +216,6 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr, { unsigned long return_hooker = (unsigned long)&return_to_handler; unsigned long old; - struct ftrace_graph_ent trace; - int err; if (unlikely(atomic_read(¤t->tracing_graph_pause))) return; @@ -229,18 +227,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr, */ old = *parent; - trace.func = self_addr; - trace.depth = current->curr_ret_stack + 1; - - /* Only trace if the calling function expects to */ - if (!ftrace_graph_entry(&trace)) - return; - - err = ftrace_push_return_trace(old, self_addr, &trace.depth, - frame_pointer, NULL); - if (err == -EBUSY) - return; - else + if (!function_graph_enter(old, self_addr, frame_pointer, NULL)) *parent = return_hooker; } |