amd64_edac: Disable DRAM ECC injection on K8

K8 does not allow for an atomic RMW to a cacheline as F10h does so
disable the error injection interface for it.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 8c176fb8a8fb..6bf7e248e758 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -2466,8 +2466,9 @@ static void set_mc_sysfs_attrs(struct mem_ctl_info *mci)
         for (; i < ARRAY_SIZE(amd64_dbg_attrs); i++)
                 sysfs_attrs[i] = amd64_dbg_attrs[i];
 
-        for (j = 0; j < ARRAY_SIZE(amd64_inj_attrs); j++, i++)
-                sysfs_attrs[i] = amd64_inj_attrs[j];
+        if (boot_cpu_data.x86 >= 0x10)
+                for (j = 0; j < ARRAY_SIZE(amd64_inj_attrs); j++, i++)
+                        sysfs_attrs[i] = amd64_inj_attrs[j];
 
         sysfs_attrs[i] = terminator;