diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2008-05-17 16:01:05 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-17 16:01:05 +0200 |
| commit | 0e50a4c6ab94ffe7e5515b86b5df9e5abc8c6b13 (patch) | |
| tree | 3c688483e71261f564fc43be3157b337ae340dca /drivers/pci/intel-iommu.c | |
| parent | 34b2cd5b688b012975fcfc3b3970fc3508fa82c4 (diff) | |
| parent | f26a3988917913b3d11b2bd741601a2c64ab9204 (diff) | |
Merge branch 'linus' into x86/pebstip-x86-pebs-2008-05-17-14-01-06
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();\ }\ |