[PATCH] x86_64: Fix zero mcfg entry workaround on x86-64
I broke this earlier when moving the patch from i386 to x86-64. Need to return the virtual address here, not the physical address. This fixes some boot time crashes on x86-64. Cc: gregkh@suse.de Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -46,7 +46,7 @@ static char __iomem *get_virt(unsigned int seg, unsigned bus)
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if (pci_mmcfg_config_num == 1 &&
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cfg->pci_segment_group_number == 0 &&
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(cfg->start_bus_number | cfg->end_bus_number) == 0)
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return cfg->base_address;
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return pci_mmcfg_virt[0].virt;
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/* Fall back to type 0 */
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return 0;
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