Messages in this thread | | | Date | Tue, 24 Feb 2009 13:12:29 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [BUG] dmi_scan_machine uses uninitialized address on x86 / EFI |
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Thomas Jourdan wrote: > > On x86/EFI platforms, if efi_enabled is true, the dmi_scan_machine function > fails, even if valid DMI table is present. In the setup_arch function, > efi_init is called after dmi_scan_machine. But this is efi_init which will > initialize the smbios address, needed by dmi_scan_machine. > > This leads to dmi_scan_machine ioremapping physical address 0, instead of > the address provided by the EFI system table. The following patch fixes the > problem. >
Hi Thomas,
What is the concrete manifestation of the bug (i.e. how critical is it?) We are late in the 2.6.29-rc cycle, and this patch seems to have some risk associated with it.
Huang, Peter, Yinghai: any opinions?
-hpa
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
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