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    SubjectRe: [PATCH 1/2] x86 boot: add E820_RESVD_KERN
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    On Mon, 2008-06-30 at 16:20 -0700, Yinghai Lu wrote:
    > On Mon, Jun 30, 2008 at 3:53 PM, Yinghai Lu <yhlu.kernel@gmail.com> wrote:
    > > On Mon, Jun 30, 2008 at 12:16 PM, Ingo Molnar <mingo@elte.hu> wrote:
    > >>
    > >> * Yinghai Lu <yhlu.kernel@gmail.com> wrote:
    > >>
    > >>> > For find_e820_area, this is safe enough. But what about conflict
    > >>> > between setup_data and ebda or ramdisk?
    > >>>
    > >>> can you have setup_data and ebda at the same time?
    > >>>
    > >>> setup_data and ramdisk should be ok, because bootloader is supposed to
    > >>> make them not to be conflicts.
    > >>
    > >> the more sanity checks we do before relying on some crutial data, the
    > >> better. It's easier to panic or sanitize data in some structured way and
    > >> complain about it in the syslog than to let things get corrupted. Boot
    > >> loaders are ... not unknown to be have bugs too, at times.
    > >
    > > to address Ying's concern, we could let reserve_setup_data
    > > call reserve_early in addition to e820_update_range...
    > >
    > > reserve_early will panic if RAMDISK overlap efi setup_data...
    > >
    >
    > Ying,
    > please check the attached patch
    >

    Tested-by: Huang, Ying <ying.huang@intel.com>

    Best Regards
    Huang Ying



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