[lkml]   [2009]   [Nov]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH] x86: make sure wakeup code is below 1M -v2
    ykzhao wrote:
    > On Wed, 2009-11-11 at 10:27 +0800, Yinghai Lu wrote:
    >> try to find_e820_area/reserve_early, and call acpi_reserve_memory early
    >> to get area is below 1M
    >> -v2: change function name to acpi_reserve_wakeup_memory according to Rafael
    > It seems that the function of find_e820_area is called in several
    > places.
    > >Initmem_init: bootmap = find_e820_area(0, end_pfn<<PAGE_SHIFT,
    > bootmap_size, PAGE_SIZE);
    > If we also call it in the acpi_reserve_wakeup_memory, do we get the same
    > base address as that obtained in initmem_init?

    no. find_e820_area will check the reserve res array that could be updated by reserve_early.


     \ /
      Last update: 2009-11-11 20:09    [W:0.020 / U:27.752 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site