amd64_edac: Disable DRAM ECC injection on K8
authorBorislav Petkov <borislav.petkov@amd.com>
Fri, 26 Nov 2010 18:24:44 +0000 (19:24 +0100)
committerBorislav Petkov <borislav.petkov@amd.com>
Fri, 7 Jan 2011 10:38:46 +0000 (11:38 +0100)
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>
drivers/edac/amd64_edac.c

index 8c176fb8a8fb5f50432170477198b6c319885a6f..6bf7e248e758271f021cd776ddbddbb1ce2ff26d 100644 (file)
@@ -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;