From: Gavin Shan <gwshan@xxxxxxxxxxxxxxxxxx>
The VFIO related components could be built as dynamic modules.
Unfortunately, CONFIG_EEH can't be configured to "m". The patch
fixes the build errors when configuring VFIO related components
as dynamic modules as follows:
CC [M] drivers/vfio/vfio_iommu_spapr_tce.o
In file included from drivers/vfio/vfio.c:33:0:
include/linux/vfio.h:101:43: warning: ‘struct pci_dev’ declared \
inside parameter list [enabled by default]
:
WRAP arch/powerpc/boot/zImage.pseries
WRAP arch/powerpc/boot/zImage.maple
WRAP arch/powerpc/boot/zImage.pmac
WRAP arch/powerpc/boot/zImage.epapr
MODPOST 1818 modules
ERROR: ".vfio_spapr_iommu_eeh_ioctl" [drivers/vfio/vfio_iommu_spapr_tce.ko]\
undefined!
ERROR: ".vfio_spapr_pci_eeh_open" [drivers/vfio/pci/vfio-pci.ko] undefined!
ERROR: ".vfio_spapr_pci_eeh_release" [drivers/vfio/pci/vfio-pci.ko] undefined!
Reported-by: Alexey Kardashevskiy <aik@xxxxxxxxx>
Signed-off-by: Gavin Shan <gwshan@xxxxxxxxxxxxxxxxxx>
[removed include "pci.h" in vfio.c]
Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxxxx>
---
Changes:
v2:
* removed #include <linux/pci.h> from vfio.c and tested
---
drivers/vfio/Makefile | 4 ++--
drivers/vfio/vfio_spapr_eeh.c | 6 ++++++
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/vfio/Makefile b/drivers/vfio/Makefile
index 50e30bc..4891cca 100644
--- a/drivers/vfio/Makefile
+++ b/drivers/vfio/Makefile
@@ -1,5 +1,5 @@
obj-$(CONFIG_VFIO) += vfio.o
obj-$(CONFIG_VFIO_IOMMU_TYPE1) += vfio_iommu_type1.o
-obj-$(CONFIG_VFIO_IOMMU_SPAPR_TCE) += vfio_iommu_spapr_tce.o
-obj-$(CONFIG_EEH) += vfio_spapr_eeh.o
+obj-$(CONFIG_VFIO_IOMMU_SPAPR_TCE) += vfio_iommu_spapr_tce.o \
+ vfio_spapr_eeh.o
obj-$(CONFIG_VFIO_PCI) += pci/
diff --git a/drivers/vfio/vfio_spapr_eeh.c b/drivers/vfio/vfio_spapr_eeh.c
index f834b4c..1a93e83 100644
--- a/drivers/vfio/vfio_spapr_eeh.c
+++ b/drivers/vfio/vfio_spapr_eeh.c
@@ -14,15 +14,19 @@
#include <asm/eeh.h>
/* We might build address mapping here for "fast" path later */
+#ifdef CONFIG_EEH
+
int vfio_spapr_pci_eeh_open(struct pci_dev *pdev)
{
return eeh_dev_open(pdev);
}
+EXPORT_SYMBOL_GPL(vfio_spapr_pci_eeh_open);
void vfio_spapr_pci_eeh_release(struct pci_dev *pdev)
{
eeh_dev_release(pdev);
}
+EXPORT_SYMBOL_GPL(vfio_spapr_pci_eeh_release);
long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group,
unsigned int cmd, unsigned long arg)
@@ -85,3 +89,5 @@ long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group,
return ret;
}
+EXPORT_SYMBOL_GPL(vfio_spapr_iommu_eeh_ioctl);
+#endif /* CONFIG_EEH */
--
2.0.0
--
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