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authorKeith Busch <keith.busch@intel.com>2018-09-19 02:58:37 +0300
committerBjorn Helgaas <bhelgaas@google.com>2018-10-05 00:37:37 +0300
commit5180fd913558825e910e255d879232c63aaa5c24 (patch)
treef075888dd6526bc38625207e41c0cc8d911c2b37 /drivers/pci/access.c
parent62b36c3ea664b34004b9d29bf541b6c6ce30e33c (diff)
downloadlinux-5180fd913558825e910e255d879232c63aaa5c24.tar.xz
PCI: Uninline PCI bus accessors for better ftracing
The PCI bus config accessors could be inlined into other accessor functions, which makes it so they can't be traced. Force them to never be inlined so that ftrace can hook into these functions. Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/access.c')
-rw-r--r--drivers/pci/access.c4
1 files changed, 2 insertions, 2 deletions
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; \