Jan Beulich
2012-Jan-02 14:23 UTC
[PATCH] PCI: shrink pci_dev_info''s is_extfn/is_virtfn members
They are used as boolean flags only, so convert them accordingly
(shrinking the structure size by 8 bytes).
Signed-off-by: Jan Beulich <jbeulich@suse.com>
--- a/xen/arch/ia64/xen/hypercall.c
+++ b/xen/arch/ia64/xen/hypercall.c
@@ -695,8 +695,8 @@ long do_physdev_op(int cmd, XEN_GUEST_HA
if ( copy_from_guest(&manage_pci_ext, arg, 1) != 0 )
break;
- pdev_info.is_extfn = manage_pci_ext.is_extfn;
- pdev_info.is_virtfn = manage_pci_ext.is_virtfn;
+ pdev_info.is_extfn = !!manage_pci_ext.is_extfn;
+ pdev_info.is_virtfn = !!manage_pci_ext.is_virtfn;
pdev_info.physfn.bus = manage_pci_ext.physfn.bus;
pdev_info.physfn.devfn = manage_pci_ext.physfn.devfn;
ret = pci_add_device(0, manage_pci_ext.bus,
--- a/xen/include/xen/pci.h
+++ b/xen/include/xen/pci.h
@@ -33,8 +33,8 @@
#define MAX_MSIX_TABLE_ENTRIES 2048
#define MAX_MSIX_TABLE_PAGES 8
struct pci_dev_info {
- unsigned is_extfn;
- unsigned is_virtfn;
+ bool_t is_extfn;
+ bool_t is_virtfn;
struct {
u8 bus;
u8 devfn;
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