[Skiboot] [PATCH 5/5] Force noinline for pci_add_(one_)device_node(s)()

[Stewart Smith]

We call all of these things recursively, so don't use excess stack.

Signed-off-by: Stewart Smith <stewart at linux.ibm.com>
---
 core/pci.c         | 20 ++++++++++----------
 include/compiler.h |  1 +
 2 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/core/pci.c b/core/pci.c
index 7dbe6aace69e..57154b07474d 100644
--- a/core/pci.c
+++ b/core/pci.c
@@ -1524,11 +1524,11 @@ static void pci_print_summary_line(struct phb *phb, struct pci_device *pd,
 			  rev_class & 0xff, rev_class >> 8, cname, slotstr);
 }
 
-static void pci_add_one_device_node(struct phb *phb,
-				    struct pci_device *pd,
-				    struct dt_node *parent_node,
-				    struct pci_lsi_state *lstate,
-				    uint8_t swizzle)
+static void __noinline pci_add_one_device_node(struct phb *phb,
+					       struct pci_device *pd,
+					       struct dt_node *parent_node,
+					       struct pci_lsi_state *lstate,
+					       uint8_t swizzle)
 {
 	struct dt_node *np;
 	const char *cname;
@@ -1653,11 +1653,11 @@ static void pci_add_one_device_node(struct phb *phb,
 	dt_add_property(np, "ranges", ranges_direct, sizeof(ranges_direct));
 }
 
-void pci_add_device_nodes(struct phb *phb,
-			  struct list_head *list,
-			  struct dt_node *parent_node,
-			  struct pci_lsi_state *lstate,
-			  uint8_t swizzle)
+void __noinline pci_add_device_nodes(struct phb *phb,
+				     struct list_head *list,
+				     struct dt_node *parent_node,
+				     struct pci_lsi_state *lstate,
+				     uint8_t swizzle)
 {
 	struct pci_device *pd;
 
diff --git a/include/compiler.h b/include/compiler.h
index 35bf16525761..9a4602e7377f 100644
--- a/include/compiler.h
+++ b/include/compiler.h
@@ -31,6 +31,7 @@
 /* not __const as this has a different meaning (const) */
 #define __attrconst		__attribute__((const))
 #define __warn_unused_result	__attribute__((warn_unused_result))
+#define __noinline		__attribute__((noinline))
 
 #if 0 /* Provided by gcc stddef.h */
 #define offsetof(type,m)	__builtin_offsetof(type,m)
-- 
2.20.1