EDAC, AMD: decode load store MCEs
See Fam10h BKDG (31116, rev. 3.28), Table 100.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
diff --git a/drivers/edac/edac_mce_amd.c b/drivers/edac/edac_mce_amd.c
index e1f32c3..2284828 100644
--- a/drivers/edac/edac_mce_amd.c
+++ b/drivers/edac/edac_mce_amd.c
@@ -270,6 +270,27 @@
pr_warning("Corrupted BU MCE info?\n");
}
+static void amd_decode_ls_mce(u64 mc3_status)
+{
+ u32 ec = mc3_status & 0xffff;
+ u32 xec = (mc3_status >> 16) & 0xf;
+
+ pr_emerg(" Load Store Error");
+
+ if (xec == 0x0) {
+ u8 rrrr = (ec >> 4) & 0xf;
+
+ if (!BUS_ERROR(ec) || (rrrr != 0x3 && rrrr != 0x4))
+ goto wrong_ls_mce;
+
+ pr_cont(" during %s.\n", RRRR_MSG(ec));
+ }
+ return;
+
+wrong_ls_mce:
+ pr_warning("Corrupted LS MCE info?\n");
+}
+
void amd_decode_nb_mce(int node_id, struct err_regs *regs, int handle_errors)
{
u32 ec = ERROR_CODE(regs->nbsl);
@@ -366,6 +387,10 @@
amd_decode_bu_mce(m->status);
break;
+ case 3:
+ amd_decode_ls_mce(m->status);
+ break;
+
case 4:
regs.nbsl = (u32) m->status;
regs.nbsh = (u32)(m->status >> 32);