diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-13 10:48:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-13 10:48:35 -0700 |
| commit | 25c55d97209090db1a5f601815433f085bd1af78 (patch) | |
| tree | b39c158f9df27826d18f8c8dc2e03fb1eed42d40 /drivers/pci/intel-iommu.c | |
| parent | 5dc93cf4576125f07cfc1b29cab0c9344c5b3d2b (diff) | |
| parent | c4e5fadd2a6fc0da465dcde761877d9a87313b33 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
ACPI/PCI: another multiple _OSC memory leak fix
x86/PCI: X86_PAT & mprotect
PCI: enable nv_msi_ht_cap_quirk for ALi bridges
PCI: Make the intel-iommu_wait_op macro work when jiffies are not running
ACPI/PCI: handle multiple _OSC
ACPI/PCI: handle multiple _OSC
x86/PCI: fix broken ISA DMA
PCI ACPI: fix uninitialized variable in __pci_osc_support_set
Diffstat (limited to 'drivers/pci/intel-iommu.c')
| -rw-r--r-- | drivers/pci/intel-iommu.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 1fd8bb765702..66c0fd21894b 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -49,7 +49,7 @@ #define DEFAULT_DOMAIN_ADDRESS_WIDTH 48 -#define DMAR_OPERATION_TIMEOUT (HZ*60) /* 1m */ +#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) /* 10sec */ #define DOMAIN_MAX_ADDR(gaw) ((((u64)1) << gaw) - 1) @@ -490,12 +490,12 @@ static int iommu_alloc_root_entry(struct intel_iommu *iommu) #define IOMMU_WAIT_OP(iommu, offset, op, cond, sts) \ {\ - unsigned long start_time = jiffies;\ + cycles_t start_time = get_cycles();\ while (1) {\ sts = op (iommu->reg + offset);\ if (cond)\ break;\ - if (time_after(jiffies, start_time + DMAR_OPERATION_TIMEOUT))\ + if (DMAR_OPERATION_TIMEOUT < (get_cycles() - start_time))\ panic("DMAR hardware is malfunctioning\n");\ cpu_relax();\ }\ |