diff mbox series

[01/12] PCI: Set PCI bus accessors to noinline

Message ID 20180918235848.26694-2-keith.busch@intel.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show
Series error handling and pciehp maintenance | expand

Commit Message

Keith Busch Sept. 18, 2018, 11:58 p.m. UTC 
The pci bus config accessors could compile inlined with other accessor
functions, which makes it so they can't be traced. This patch forces
these to never be inlined so that ftrace can hook into these functions.

Signed-off-by: Keith Busch <keith.busch@intel.com>
---
 drivers/pci/access.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index a3ad2fe185b9..544922f097c0 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -33,7 +33,7 @@  DEFINE_RAW_SPINLOCK(pci_lock);
 #endif
 
 #define PCI_OP_READ(size, type, len) \
-int pci_bus_read_config_##size \
+int noinline pci_bus_read_config_##size \
 	(struct pci_bus *bus, unsigned int devfn, int pos, type *value)	\
 {									\
 	int res;							\
@@ -48,7 +48,7 @@  int pci_bus_read_config_##size \
 }
 
 #define PCI_OP_WRITE(size, type, len) \
-int pci_bus_write_config_##size \
+int noinline pci_bus_write_config_##size \
 	(struct pci_bus *bus, unsigned int devfn, int pos, type value)	\
 {									\
 	int res;							\