lkml.org 
[lkml]   [2009]   [Feb]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [BUG] dmi_scan_machine uses uninitialized address on x86 / EFI
    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.



    \
     
     \ /
      Last update: 2009-02-24 22:15    [W:0.023 / U:91.876 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site