diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-02-02 14:29:33 +1100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-02-02 14:29:33 +1100 |
| commit | 215e871aaa3d94540121a3809d80d0c5e5686e4f (patch) | |
| tree | 0ed6469c5ad04db8cfa0edb58c676d5155df20cd /drivers/pci/dmar.c | |
| parent | b6cf160c4b788a31f6a4017a469b956ca77febf4 (diff) | |
| parent | fd7d1ced29e5beb88c9068801da7a362606d8273 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6: (64 commits)
PCI: make pci_bus a struct device
PCI: fix codingstyle issues in include/linux/pci.h
PCI: fix codingstyle issues in drivers/pci/pci.h
PCI: PCIE ASPM support
PCI: Fix fakephp deadlock
PCI: modify SB700 SATA MSI quirk
PCI: Run ACPI _OSC method on root bridges only
PCI ACPI: AER driver should only register PCIe devices with _OSC
PCI ACPI: Added a function to register _OSC with only PCIe devices.
PCI: constify function pointer tables
PCI: Convert drivers/pci/proc.c to use unlocked_ioctl
pciehp: block new requests from the device before power off
pciehp: workaround against Bad DLLP during power off
pciehp: wait for 1000ms before LED operation after power off
PCI: Remove pci_enable_device_bars() from documentation
PCI: Remove pci_enable_device_bars()
PCI: Remove users of pci_enable_device_bars()
PCI: Add pci_enable_device_{io,mem} intefaces
PCI: avoid save the same type of cap multiple times
PCI: correctly initialize a structure for pcie_save_pcix_state()
...
Diffstat (limited to 'drivers/pci/dmar.c')
| -rw-r--r-- | drivers/pci/dmar.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 5dfdfdac92e..91b2dc956be 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -25,6 +25,7 @@ #include <linux/pci.h> #include <linux/dmar.h> +#include "iova.h" #undef PREFIX #define PREFIX "DMAR:" @@ -263,8 +264,8 @@ parse_dmar_table(void) if (!dmar) return -ENODEV; - if (!dmar->width) { - printk (KERN_WARNING PREFIX "Zero: Invalid DMAR haw\n"); + if (dmar->width < PAGE_SHIFT_4K - 1) { + printk(KERN_WARNING PREFIX "Invalid DMAR haw\n"); return -EINVAL; } @@ -301,11 +302,24 @@ parse_dmar_table(void) int __init dmar_table_init(void) { - parse_dmar_table(); + int ret; + + ret = parse_dmar_table(); + if (ret) { + printk(KERN_INFO PREFIX "parse DMAR table failure.\n"); + return ret; + } + if (list_empty(&dmar_drhd_units)) { printk(KERN_INFO PREFIX "No DMAR devices found\n"); return -ENODEV; } + + if (list_empty(&dmar_rmrr_units)) { + printk(KERN_INFO PREFIX "No RMRR found\n"); + return -ENODEV; + } + return 0; } |