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    Subject[patch 1/4] x86: vSMP: Fix is_vsmp_box()
    is_vsmp_box() currently does not work on vSMPowered systems,  as pci cfg
    space is not read correctly -- This patch fixes it.

    Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org>

    Index: linux.git.trees/arch/x86/kernel/vsmp_64.c
    ===================================================================
    --- linux.git.trees.orig/arch/x86/kernel/vsmp_64.c 2008-03-19 13:30:35.116766719 -0700
    +++ linux.git.trees/arch/x86/kernel/vsmp_64.c 2008-03-19 13:39:20.074685590 -0700
    @@ -84,8 +84,10 @@ int is_vsmp_box(void)
    return vsmp;

    /* Check if we are running on a ScaleMP vSMP box */
    - if (read_pci_config(0, 0x1f, 0, PCI_VENDOR_ID) ==
    - (PCI_VENDOR_ID_SCALEMP || (PCI_DEVICE_ID_SCALEMP_VSMP_CTL << 16)))
    + if ((read_pci_config_16(0, 0x1f, 0, PCI_VENDOR_ID) ==
    + PCI_VENDOR_ID_SCALEMP) &&
    + (read_pci_config_16(0, 0x1f, 0, PCI_DEVICE_ID) ==
    + PCI_DEVICE_ID_SCALEMP_VSMP_CTL))
    vsmp = 1;

    return vsmp;

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