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authorFrank Blaschka <frank.blaschka@de.ibm.com>2014-11-07 17:52:22 +0100
committerAlex Williamson <alex.williamson@redhat.com>2014-11-07 17:52:22 +0100
commit1d53a3a7d3b886bcc60b90e41693b82a791c25ba (patch)
tree0c3ccdb3b8b5c769b458b185b2eb209468e8667e /drivers/vfio/pci/vfio_pci.c
parentLinux 3.18-rc3 (diff)
downloadlinux-1d53a3a7d3b886bcc60b90e41693b82a791c25ba.tar.xz
linux-1d53a3a7d3b886bcc60b90e41693b82a791c25ba.zip
vfio: make vfio run on s390
add Kconfig switch to hide INTx add Kconfig switch to let vfio announce PCI BARs are not mapable Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio/pci/vfio_pci.c')
-rw-r--r--drivers/vfio/pci/vfio_pci.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 9558da3f06a0..255201f22126 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -215,7 +215,7 @@ static int vfio_pci_get_irq_count(struct vfio_pci_device *vdev, int irq_type)
if (irq_type == VFIO_PCI_INTX_IRQ_INDEX) {
u8 pin;
pci_read_config_byte(vdev->pdev, PCI_INTERRUPT_PIN, &pin);
- if (pin)
+ if (IS_ENABLED(CONFIG_VFIO_PCI_INTX) && pin)
return 1;
} else if (irq_type == VFIO_PCI_MSI_IRQ_INDEX) {
@@ -406,7 +406,8 @@ static long vfio_pci_ioctl(void *device_data,
info.flags = VFIO_REGION_INFO_FLAG_READ |
VFIO_REGION_INFO_FLAG_WRITE;
- if (pci_resource_flags(pdev, info.index) &
+ if (IS_ENABLED(CONFIG_VFIO_PCI_MMAP) &&
+ pci_resource_flags(pdev, info.index) &
IORESOURCE_MEM && info.size >= PAGE_SIZE)
info.flags |= VFIO_REGION_INFO_FLAG_MMAP;
break;