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author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-06-24 22:14:09 -0700 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 13:10:38 +0200 |
commit | c987d12f8455b19b3b057d63bac3de161bd809fc (patch) | |
tree | eb42d14516ea0d24d023d00ed0100cbee42df28c /arch/x86/kernel | |
parent | f47f9d538ecc938bed589e9d39ad7b454f3b506c (diff) | |
download | op-kernel-dev-c987d12f8455b19b3b057d63bac3de161bd809fc.zip op-kernel-dev-c987d12f8455b19b3b057d63bac3de161bd809fc.tar.gz |
x86: remove end_pfn in 64bit
and use max_pfn directly.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r-- | arch/x86/kernel/aperture_64.c | 6 | ||||
-rw-r--r-- | arch/x86/kernel/e820.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/early-quirks.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/machine_kexec_64.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/pci-calgary_64.c | 4 | ||||
-rw-r--r-- | arch/x86/kernel/pci-dma.c | 4 | ||||
-rw-r--r-- | arch/x86/kernel/pci-gart_64.c | 4 | ||||
-rw-r--r-- | arch/x86/kernel/pci-swiotlb_64.c | 2 |
8 files changed, 14 insertions, 12 deletions
diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c index 600470d..9f90780 100644 --- a/arch/x86/kernel/aperture_64.c +++ b/arch/x86/kernel/aperture_64.c @@ -407,7 +407,9 @@ void __init gart_iommu_hole_init(void) agp_aper_base == aper_base && agp_aper_order == aper_order) { /* the same between two setting from NB and agp */ - if (!no_iommu && end_pfn > MAX_DMA32_PFN && !printed_gart_size_msg) { + if (!no_iommu && + max_pfn > MAX_DMA32_PFN && + !printed_gart_size_msg) { printk(KERN_ERR "you are using iommu with agp, but GART size is less than 64M\n"); printk(KERN_ERR "please increase GART size in your BIOS setup\n"); printk(KERN_ERR "if BIOS doesn't have that option, contact your HW vendor!\n"); @@ -448,7 +450,7 @@ out: /* Got the aperture from the AGP bridge */ } else if (swiotlb && !valid_agp) { /* Do nothing */ - } else if ((!no_iommu && end_pfn > MAX_DMA32_PFN) || + } else if ((!no_iommu && max_pfn > MAX_DMA32_PFN) || force_iommu || valid_agp || fallback_aper_force) { diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index 1b76b25..3900ff5 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -527,7 +527,7 @@ __init void e820_setup_gap(void) #ifdef CONFIG_X86_64 if (!found) { - gapstart = (end_pfn << PAGE_SHIFT) + 1024*1024; + gapstart = (max_pfn << PAGE_SHIFT) + 1024*1024; printk(KERN_ERR "PCI: Warning: Cannot find a gap in the 32bit " "address range\n" KERN_ERR "PCI: Unassigned devices with 32bit resource " diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c index 84fd9f2..a4665f3 100644 --- a/arch/x86/kernel/early-quirks.c +++ b/arch/x86/kernel/early-quirks.c @@ -50,7 +50,7 @@ static void __init fix_hypertransport_config(int num, int slot, int func) static void __init via_bugs(int num, int slot, int func) { #ifdef CONFIG_GART_IOMMU - if ((end_pfn > MAX_DMA32_PFN || force_iommu) && + if ((max_pfn > MAX_DMA32_PFN || force_iommu) && !gart_iommu_aperture_allowed) { printk(KERN_INFO "Looks like a VIA chipset. Disabling IOMMU." diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c index 576a03d..7830dc4 100644 --- a/arch/x86/kernel/machine_kexec_64.c +++ b/arch/x86/kernel/machine_kexec_64.c @@ -110,7 +110,7 @@ static int init_pgtable(struct kimage *image, unsigned long start_pgtable) { pgd_t *level4p; level4p = (pgd_t *)__va(start_pgtable); - return init_level4_page(image, level4p, 0, end_pfn << PAGE_SHIFT); + return init_level4_page(image, level4p, 0, max_pfn << PAGE_SHIFT); } static void set_idt(void *newidt, u16 limit) diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c index e28ec49..6959b5c 100644 --- a/arch/x86/kernel/pci-calgary_64.c +++ b/arch/x86/kernel/pci-calgary_64.c @@ -1394,7 +1394,7 @@ void __init detect_calgary(void) return; } - specified_table_size = determine_tce_table_size(end_pfn * PAGE_SIZE); + specified_table_size = determine_tce_table_size(max_pfn * PAGE_SIZE); for (bus = 0; bus < MAX_PHB_BUS_NUM; bus++) { struct calgary_bus_info *info = &bus_info[bus]; @@ -1459,7 +1459,7 @@ int __init calgary_iommu_init(void) if (ret) { printk(KERN_ERR "PCI-DMA: Calgary init failed %d, " "falling back to no_iommu\n", ret); - if (end_pfn > MAX_DMA32_PFN) + if (max_pfn > MAX_DMA32_PFN) printk(KERN_ERR "WARNING more than 4GB of memory, " "32bit PCI may malfunction.\n"); return ret; diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index cb0bdf4..8467ec2 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -75,7 +75,7 @@ early_param("dma32_size", parse_dma32_size_opt); void __init dma32_reserve_bootmem(void) { unsigned long size, align; - if (end_pfn <= MAX_DMA32_PFN) + if (max_pfn <= MAX_DMA32_PFN) return; /* @@ -94,7 +94,7 @@ void __init dma32_reserve_bootmem(void) static void __init dma32_free_bootmem(void) { - if (end_pfn <= MAX_DMA32_PFN) + if (max_pfn <= MAX_DMA32_PFN) return; if (!dma32_bootmem_ptr) diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c index 021f3c6..d0d18db 100644 --- a/arch/x86/kernel/pci-gart_64.c +++ b/arch/x86/kernel/pci-gart_64.c @@ -751,10 +751,10 @@ void __init gart_iommu_init(void) return; if (no_iommu || - (!force_iommu && end_pfn <= MAX_DMA32_PFN) || + (!force_iommu && max_pfn <= MAX_DMA32_PFN) || !gart_iommu_aperture || (no_agp && init_k8_gatt(&info) < 0)) { - if (end_pfn > MAX_DMA32_PFN) { + if (max_pfn > MAX_DMA32_PFN) { printk(KERN_WARNING "More than 4GB of memory " "but GART IOMMU not available.\n" KERN_WARNING "falling back to iommu=soft.\n"); diff --git a/arch/x86/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb_64.c index 490da7f..82299cd 100644 --- a/arch/x86/kernel/pci-swiotlb_64.c +++ b/arch/x86/kernel/pci-swiotlb_64.c @@ -38,7 +38,7 @@ const struct dma_mapping_ops swiotlb_dma_ops = { void __init pci_swiotlb_init(void) { /* don't initialize swiotlb if iommu=off (no_iommu=1) */ - if (!iommu_detected && !no_iommu && end_pfn > MAX_DMA32_PFN) + if (!iommu_detected && !no_iommu && max_pfn > MAX_DMA32_PFN) swiotlb = 1; if (swiotlb_force) swiotlb = 1; |