Commit 3250c91a authored by Ravikiran G Thirumalai's avatar Ravikiran G Thirumalai Committed by Ingo Molnar

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: default avatarRavikiran Thirumalai <kiran@scalex86.org>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 86420506
...@@ -84,8 +84,10 @@ int is_vsmp_box(void) ...@@ -84,8 +84,10 @@ int is_vsmp_box(void)
return vsmp; return vsmp;
/* Check if we are running on a ScaleMP vSMP box */ /* Check if we are running on a ScaleMP vSMP box */
if (read_pci_config(0, 0x1f, 0, PCI_VENDOR_ID) == if ((read_pci_config_16(0, 0x1f, 0, PCI_VENDOR_ID) ==
(PCI_VENDOR_ID_SCALEMP || (PCI_DEVICE_ID_SCALEMP_VSMP_CTL << 16))) PCI_VENDOR_ID_SCALEMP) &&
(read_pci_config_16(0, 0x1f, 0, PCI_DEVICE_ID) ==
PCI_DEVICE_ID_SCALEMP_VSMP_CTL))
vsmp = 1; vsmp = 1;
return vsmp; return vsmp;
......
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