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SubjectRe: [PATCH] x86/pci: make pci_mem_start to be aligned only -v4
Linus Torvalds wrote:
>
> On Sat, 18 Apr 2009, Yinghai Lu wrote:
>> without your patch got
>>
>> 00000100-000973ff : System RAM
>> 00097400-0009ffff : reserved
>> 000a0000-000bffff : PCI Bus #00
>> 000c0000-000cffff : pnp 00:0c
>> 000e0000-000fffff : pnp 00:0c
>> 00100000-b7f9ffff : System RAM
>> 00200000-00c68f6b : Kernel code
>> 00c68f6c-01332f7f : Kernel data
>> 015a6000-01fcaa57 : Kernel bss
>> 20000000-23ffffff : GART
>> b7fa0000-b7fadfff : RAM buffer
>> b7fae000-b7faffff : System RAM
>> b7fb0000-b7fbdfff : ACPI Tables
>> b7fbe000-b7feffff : ACPI Non-volatile Storage
>> b7ff0000-b7ffffff : reserved
>> b7ff0000-b7ffffff : RAM buffer
>> b8000000-beffffff : PCI Bus #00
>> bf000000-bfffffff : PCI Bus #80
>
> Yeah, that "RAM buffer" inside the b7ff0000-b7ffffff reserved area is
> obviously crap.

reserved from 0xb7ff0000 - 0xffffffff ranges are registered via e820_reserve_resources_late
didn't have IORESOURCE_BUSY
but RAM buffer area has that IORESOURCE_BUSY

YH


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