Messages in this thread | | | Date | Tue, 13 Apr 2010 16:03:45 -0700 | From | Yinghai <> | Subject | Re: [PATCH -v2 1/2] x86: Reserve [0xa0000, 0x100000] in e820 map |
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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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