Subject: [PATCH v5 07/17] powerpc/64s: move THP trace point creation out of hash specific file

From: Nicholas Piggin <[email-masked]>
Date: Mon, 29 Nov 2021 13:07:53 +1000

In preparation for making hash MMU support configurable, move THP
trace point function definitions out of an otherwise hash-specific
file.

Signed-off-by: Nicholas Piggin <[email-masked]>
---
 arch/powerpc/mm/book3s64/Makefile       | 2 +-
 arch/powerpc/mm/book3s64/hash_pgtable.c | 1 -
 arch/powerpc/mm/book3s64/trace.c        | 8 ++++++++
 3 files changed, 9 insertions(+), 2 deletions(-)
 create mode 100644 arch/powerpc/mm/book3s64/trace.c

diff --git a/arch/powerpc/mm/book3s64/Makefile b/arch/powerpc/mm/book3s64/Makefile
index 319f4b7f3357..1579e18e098d 100644
--- a/arch/powerpc/mm/book3s64/Makefile
+++ b/arch/powerpc/mm/book3s64/Makefile
@@ -5,7 +5,7 @@ ccflags-y	:= $(NO_MINIMAL_TOC)
 CFLAGS_REMOVE_slb.o = $(CC_FLAGS_FTRACE)
 
 obj-y				+= hash_pgtable.o hash_utils.o slb.o \
-				   mmu_context.o pgtable.o hash_tlb.o
+				   mmu_context.o pgtable.o hash_tlb.o trace.o
 obj-$(CONFIG_PPC_HASH_MMU_NATIVE)	+= hash_native.o
 obj-$(CONFIG_PPC_RADIX_MMU)	+= radix_pgtable.o radix_tlb.o
 obj-$(CONFIG_PPC_4K_PAGES)	+= hash_4k.o
diff --git a/arch/powerpc/mm/book3s64/hash_pgtable.c b/arch/powerpc/mm/book3s64/hash_pgtable.c
index ad5eff097d31..7ce8914992e3 100644
--- a/arch/powerpc/mm/book3s64/hash_pgtable.c
+++ b/arch/powerpc/mm/book3s64/hash_pgtable.c
@@ -16,7 +16,6 @@
 
 #include <mm/mmu_decl.h>
 
-#define CREATE_TRACE_POINTS
 #include <trace/events/thp.h>
 
 #if H_PGTABLE_RANGE > (USER_VSID_RANGE * (TASK_SIZE_USER64 / TASK_CONTEXT_SIZE))
diff --git a/arch/powerpc/mm/book3s64/trace.c b/arch/powerpc/mm/book3s64/trace.c
new file mode 100644
index 000000000000..b86e7b906257
--- /dev/null
+++ b/arch/powerpc/mm/book3s64/trace.c
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * This file is for defining trace points and trace related helpers.
+ */
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#define CREATE_TRACE_POINTS
+#include <trace/events/thp.h>
+#endif
-- 
2.23.0