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    Subject[patch 10/18] x86/PCI: dont call e820_all_mapped with -1 in the mmconfig case
    2.6.27-stable review patch.  If anyone has any objections, please let us know.

    ------------------

    From: Yinghai Lu <yinghai@kernel.org>

    commit 044cd80942e47b9de0915b627902adf05c52377f upstream.

    e820_all_mapped need end is (addr + size) instead of (addr + size - 1)

    Cc: stable@kernel.org
    Acked-by: Ingo Molnar <mingo@elte.hu>
    Signed-off-by: Yinghai Lu <yinghai@kernel.org>
    Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

    ---
    arch/x86/pci/mmconfig-shared.c | 6 +++---
    1 file changed, 3 insertions(+), 3 deletions(-)

    --- a/arch/x86/pci/mmconfig-shared.c
    +++ b/arch/x86/pci/mmconfig-shared.c
    @@ -255,7 +255,7 @@ static acpi_status __init check_mcfg_res
    if (!fixmem32)
    return AE_OK;
    if ((mcfg_res->start >= fixmem32->address) &&
    - (mcfg_res->end < (fixmem32->address +
    + (mcfg_res->end <= (fixmem32->address +
    fixmem32->address_length))) {
    mcfg_res->flags = 1;
    return AE_CTRL_TERMINATE;
    @@ -272,7 +272,7 @@ static acpi_status __init check_mcfg_res
    return AE_OK;

    if ((mcfg_res->start >= address.minimum) &&
    - (mcfg_res->end < (address.minimum + address.address_length))) {
    + (mcfg_res->end <= (address.minimum + address.address_length))) {
    mcfg_res->flags = 1;
    return AE_CTRL_TERMINATE;
    }
    @@ -319,7 +319,7 @@ static int __init is_mmconf_reserved(che
    u64 old_size = size;
    int valid = 0;

    - while (!is_reserved(addr, addr + size - 1, E820_RESERVED)) {
    + while (!is_reserved(addr, addr + size, E820_RESERVED)) {
    size >>= 1;
    if (size < (16UL<<20))
    break;



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