diff options
| author | Yijing Wang <wangyijing@huawei.com> | 2014-10-27 03:44:37 +0100 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2014-11-11 23:14:30 +0100 |
| commit | 03f56e42d03eb7d0a47e40e9ae72a3ac0afeff08 (patch) | |
| tree | 566745f2b5cfd29a9c56fe53a6449aa9f0dc6e01 /arch/x86/pci/xen.c | |
| parent | PCI/MSI: Add pci_msi_ignore_mask to prevent writes to MSI/MSI-X Mask Bits (diff) | |
| download | linux-03f56e42d03eb7d0a47e40e9ae72a3ac0afeff08.tar.xz linux-03f56e42d03eb7d0a47e40e9ae72a3ac0afeff08.zip | |
Revert "PCI: Add x86_msi.msi_mask_irq() and msix_mask_irq()"
The problem fixed by 0e4ccb1505a9 ("PCI: Add x86_msi.msi_mask_irq() and
msix_mask_irq()") has been fixed in a simpler way by a previous commit
("PCI/MSI: Add pci_msi_ignore_mask to prevent writes to MSI/MSI-X Mask
Bits").
The msi_mask_irq() and msix_mask_irq() x86_msi_ops added by 0e4ccb1505a9
are no longer needed, so revert the commit.
default_msi_mask_irq() and default_msix_mask_irq() were added by
0e4ccb1505a9 and are still used by s390, so keep them for now.
[bhelgaas: changelog]
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: David Vrabel <david.vrabel@citrix.com>
CC: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
CC: xen-devel@lists.xenproject.org
Diffstat (limited to 'arch/x86/pci/xen.c')
| -rw-r--r-- | arch/x86/pci/xen.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index 5ef62ed20ba4..466b978e13a5 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -394,14 +394,7 @@ static void xen_teardown_msi_irq(unsigned int irq) { xen_destroy_irq(irq); } -static u32 xen_nop_msi_mask_irq(struct msi_desc *desc, u32 mask, u32 flag) -{ - return 0; -} -static u32 xen_nop_msix_mask_irq(struct msi_desc *desc, u32 flag) -{ - return 0; -} + #endif int __init pci_xen_init(void) @@ -425,8 +418,6 @@ int __init pci_xen_init(void) x86_msi.setup_msi_irqs = xen_setup_msi_irqs; x86_msi.teardown_msi_irq = xen_teardown_msi_irq; x86_msi.teardown_msi_irqs = xen_teardown_msi_irqs; - x86_msi.msi_mask_irq = xen_nop_msi_mask_irq; - x86_msi.msix_mask_irq = xen_nop_msix_mask_irq; pci_msi_ignore_mask = 1; #endif return 0; @@ -507,8 +498,6 @@ int __init pci_xen_initial_domain(void) x86_msi.setup_msi_irqs = xen_initdom_setup_msi_irqs; x86_msi.teardown_msi_irq = xen_teardown_msi_irq; x86_msi.restore_msi_irqs = xen_initdom_restore_msi_irqs; - x86_msi.msi_mask_irq = xen_nop_msi_mask_irq; - x86_msi.msix_mask_irq = xen_nop_msix_mask_irq; pci_msi_ignore_mask = 1; #endif xen_setup_acpi_sci(); |