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authorMiquel Raynal <miquel.raynal@bootlin.com>2020-01-27 17:49:15 +0100
committerMiquel Raynal <miquel.raynal@bootlin.com>2020-01-27 17:49:15 +0100
commit4575243c5c173f8adbc08a5c6ea2269742ea2b47 (patch)
treed084fde0a55f38f1924e45f9629dad7747759df7 /kernel/trace/fgraph.c
parent701ddf0bbfc761b8bdc974ce9c4e05f9833683e3 (diff)
parentd85339d9ea2660b550f12aca8bd040be4395c963 (diff)
Merge tag 'nand/for-5.6' into mtd/next
Raw NAND * Macronix: Use match_string() helper * Atmel: switch to using devm_fwnode_gpiod_get() * Denali: rework the SKIP_BYTES feature and add reset controlling * Brcmnand: set appropriate DMA mask * Various cleanup. Onenand drivers * Rename Samsung and Omap2 drivers to avoid possible build warnings * Enable compile testing * Various build issues * Kconfig cleanup SPI-NAND * Support for Toshiba TC58CVG2S0HRAIJ
Diffstat (limited to 'kernel/trace/fgraph.c')
-rw-r--r--kernel/trace/fgraph.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/trace/fgraph.c b/kernel/trace/fgraph.c
index a2659735db73..1af321dec0f1 100644
--- a/kernel/trace/fgraph.c
+++ b/kernel/trace/fgraph.c
@@ -96,6 +96,20 @@ ftrace_push_return_trace(unsigned long ret, unsigned long func,
return 0;
}
+/*
+ * Not all archs define MCOUNT_INSN_SIZE which is used to look for direct
+ * functions. But those archs currently don't support direct functions
+ * anyway, and ftrace_find_rec_direct() is just a stub for them.
+ * Define MCOUNT_INSN_SIZE to keep those archs compiling.
+ */
+#ifndef MCOUNT_INSN_SIZE
+/* Make sure this only works without direct calls */
+# ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
+# error MCOUNT_INSN_SIZE not defined with direct calls enabled
+# endif
+# define MCOUNT_INSN_SIZE 0
+#endif
+
int function_graph_enter(unsigned long ret, unsigned long func,
unsigned long frame_pointer, unsigned long *retp)
{