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    SubjectRe: [PATCH -v2 1/2] x86: Reserve [0xa0000, 0x100000] in e820 map
    On 04/13/2010 04:03 PM, Yinghai wrote:
    > 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.

    OK... why is that handled differently?


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