lkml.org 
[lkml]   [2009]   [Apr]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    Subject[PATCH] x86/pci: fix -1 calling to e820_all_mapped with mmconfig

    Impact: fix calling

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

    Signed-off-by: Yinghai Lu <yinghai@kernel.org>

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

    Index: linux-2.6/arch/x86/pci/mmconfig-shared.c
    ===================================================================
    --- linux-2.6.orig/arch/x86/pci/mmconfig-shared.c
    +++ linux-2.6/arch/x86/pci/mmconfig-shared.c
    @@ -375,7 +375,7 @@ 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;
    @@ -392,7 +392,7 @@ 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;
    }
    @@ -439,7 +439,7 @@ 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;

    \
     
     \ /
      Last update: 2009-04-15 02:47    [W:2.400 / U:0.984 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site