[lkml]   [2006]   [Apr]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [Fastboot] [PATCH] kexec on ia64
    On Tue, 04 Apr 2006 20:49:49 -0600 (Eric W. Biederman) wrote:

    > KAMEZAWA Hiroyuki <> writes:
    > > Hi, I have a question about kexec/kdump.
    > >
    > > How does kdump know memory layout (of old kernel) now ?
    > >
    > > I'm working for memory hotplug. When memory is hot-added, memory layout changes.
    > > But I think there is no code to manage memory layout information of added
    > > memory.
    > It is passed from one kernel to another, and it is memorized when you load
    > the crash dump kernel. If your memory layout changes you need to reload
    > the crash dump kernel from user space with the appropriate hotplug script.
    > Unless this happens often it shouldn't be a problem.

    > And yes this does leave a small race during which kexec on panic won't
    > work.

    Hmm.. Okay.
    Before reloading kdump kernel, kdump continues to use old information.
    (when adding, it's not be big problem.)

    Thank you.
    - Kame

    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2006-04-05 06:32    [W:0.021 / U:19.720 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site