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    Subject[patch 01/38] memory detection: stop at first memory hole.
    From: Heiko Carstens <heiko.carstens@de.ibm.com>

    If both sclp and diag memory detection don't work stop at the first
    memory hole. Otherwise the code might loop forever...

    Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
    Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
    ---

    arch/s390/kernel/early.c | 7 +++----
    1 files changed, 3 insertions(+), 4 deletions(-)

    Index: quilt-2.6/arch/s390/kernel/early.c
    ===================================================================
    --- quilt-2.6.orig/arch/s390/kernel/early.c 2007-04-27 16:01:49.000000000 +0200
    +++ quilt-2.6/arch/s390/kernel/early.c 2007-04-27 16:04:52.000000000 +0200
    @@ -253,11 +253,10 @@
    break;
    #endif
    /*
    - * Finish memory detection at the first hole, unless
    - * - we reached the hsa -> skip it.
    - * - we know there must be more.
    + * Finish memory detection at the first hole
    + * if storage size is unknown.
    */
    - if (cc == -1UL && !memsize && old_addr != ADDR2G)
    + if (cc == -1UL && !memsize)
    break;
    if (memsize && addr >= memsize)
    break;
    --
    blue skies,
    Martin.

    "Reality continues to ruin my life." - Calvin.

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