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    SubjectRe: [PATCH -v2 1/2] x86: Reserve [0xa0000, 0x100000] in e820 map
    On 04/13/2010 04:02 PM, H. Peter Anvin wrote:
    >>
    >> Are you sure? what is BAR range? greater than 1M ?
    >>
    >> e820_reserve_resources() will make that range to be reserved and BUSY in resource tree.
    >> and if driver for that device want to call pci_request_region, it will get failure...
    >>
    >
    > Yes, > 1 MB in that case, I'm fairly sure.

    that is ok. actually that is handled by e820_reserve_resource_late(), and it will not put BUSY on the entry at all.

    YH


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