diff options
Diffstat (limited to 'arch/x86_64')
-rw-r--r-- | arch/x86_64/kernel/e820.c | 29 | ||||
-rw-r--r-- | arch/x86_64/pci/mmconfig.c | 9 |
2 files changed, 0 insertions, 38 deletions
diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c index e56c2adf57a4..d81e3d6dd241 100644 --- a/arch/x86_64/kernel/e820.c +++ b/arch/x86_64/kernel/e820.c | |||
@@ -104,35 +104,6 @@ e820_any_mapped(unsigned long start, unsigned long end, unsigned type) | |||
104 | return 0; | 104 | return 0; |
105 | } | 105 | } |
106 | 106 | ||
107 | /* | ||
108 | * This function checks if the entire range <start,end> is mapped with type. | ||
109 | * | ||
110 | * Note: this function only works correct if the e820 table is sorted and | ||
111 | * not-overlapping, which is the case | ||
112 | */ | ||
113 | int __init e820_all_mapped(unsigned long start, unsigned long end, unsigned type) | ||
114 | { | ||
115 | int i; | ||
116 | for (i = 0; i < e820.nr_map; i++) { | ||
117 | struct e820entry *ei = &e820.map[i]; | ||
118 | if (type && ei->type != type) | ||
119 | continue; | ||
120 | /* is the region (part) in overlap with the current region ?*/ | ||
121 | if (ei->addr >= end || ei->addr + ei->size <= start) | ||
122 | continue; | ||
123 | |||
124 | /* if the region is at the beginning of <start,end> we move | ||
125 | * start to the end of the region since it's ok until there | ||
126 | */ | ||
127 | if (ei->addr <= start) | ||
128 | start = ei->addr + ei->size; | ||
129 | /* if start is now at or beyond end, we're done, full coverage */ | ||
130 | if (start >= end) | ||
131 | return 1; /* we're done */ | ||
132 | } | ||
133 | return 0; | ||
134 | } | ||
135 | |||
136 | /* | 107 | /* |
137 | * Find a free area in a specific range. | 108 | * Find a free area in a specific range. |
138 | */ | 109 | */ |
diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c index 3c55c76c6fd5..8a4a0f9263ce 100644 --- a/arch/x86_64/pci/mmconfig.c +++ b/arch/x86_64/pci/mmconfig.c | |||
@@ -177,15 +177,6 @@ void __init pci_mmcfg_init(void) | |||
177 | (pci_mmcfg_config[0].base_address == 0)) | 177 | (pci_mmcfg_config[0].base_address == 0)) |
178 | return; | 178 | return; |
179 | 179 | ||
180 | if (!e820_all_mapped(pci_mmcfg_config[0].base_address, | ||
181 | pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN, | ||
182 | E820_RESERVED)) { | ||
183 | printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n", | ||
184 | pci_mmcfg_config[0].base_address); | ||
185 | printk(KERN_ERR "PCI: Not using MMCONFIG.\n"); | ||
186 | return; | ||
187 | } | ||
188 | |||
189 | /* RED-PEN i386 doesn't do _nocache right now */ | 180 | /* RED-PEN i386 doesn't do _nocache right now */ |
190 | pci_mmcfg_virt = kmalloc(sizeof(*pci_mmcfg_virt) * pci_mmcfg_config_num, GFP_KERNEL); | 181 | pci_mmcfg_virt = kmalloc(sizeof(*pci_mmcfg_virt) * pci_mmcfg_config_num, GFP_KERNEL); |
191 | if (pci_mmcfg_virt == NULL) { | 182 | if (pci_mmcfg_virt == NULL) { |