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amd64_edac: restrict PCI config space access
author
Borislav Petkov
<borislav.petkov@amd.com>
Mon, 21 Dec 2009 18:21:41 +0000
(19:21 +0100)
committer
Borislav Petkov
<borislav.petkov@amd.com>
Thu, 24 Dec 2009 10:07:08 +0000
(11:07 +0100)
Do not access F2x19[0,4] on K8 since they're undefined there.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
drivers/edac/amd64_edac.c
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diff --git
a/drivers/edac/amd64_edac.c
b/drivers/edac/amd64_edac.c
index
63c04d3
..
c5facd9
100644
(file)
--- a/
drivers/edac/amd64_edac.c
+++ b/
drivers/edac/amd64_edac.c
@@
-2349,7
+2349,7
@@
static void amd64_read_mc_registers(struct amd64_pvt *pvt)
amd64_read_pci_cfg(pvt->dram_f2_ctl, F10_DCLR_0, &pvt->dclr0);
amd64_read_pci_cfg(pvt->dram_f2_ctl, F10_DCHR_0, &pvt->dchr0);
- if (!dct_ganging_enabled(pvt)) {
+ if (!dct_ganging_enabled(pvt)
&& boot_cpu_data.x86 >= 0x10
) {
amd64_read_pci_cfg(pvt->dram_f2_ctl, F10_DCLR_1, &pvt->dclr1);
amd64_read_pci_cfg(pvt->dram_f2_ctl, F10_DCHR_1, &pvt->dchr1);
}