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authorBorislav Petkov <borislav.petkov@amd.com>2009-07-28 14:20:46 +0200
committerBorislav Petkov <borislav.petkov@amd.com>2009-09-14 19:01:37 +0200
commit53bd5fedca7d0c28b35b02cab5f4e27bf8d7fabe (patch)
tree10798765e935f772afe8b75494fb75bd9e46e82a
parentf9350efd6f37ef60d2334739edb76ef1f8ee0183 (diff)
downloadvexpress-lsk-53bd5fedca7d0c28b35b02cab5f4e27bf8d7fabe.tar.gz
EDAC, AMD: decode FR MCEs
See Fam10h BKDG (31116, rev. 3.28), Table 101. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
-rw-r--r--drivers/edac/edac_mce_amd.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/edac/edac_mce_amd.c b/drivers/edac/edac_mce_amd.c
index 22848285536..c8ca7136dac 100644
--- a/drivers/edac/edac_mce_amd.c
+++ b/drivers/edac/edac_mce_amd.c
@@ -321,6 +321,15 @@ void amd_decode_nb_mce(int node_id, struct err_regs *regs, int handle_errors)
}
EXPORT_SYMBOL_GPL(amd_decode_nb_mce);
+static void amd_decode_fr_mce(u64 mc5_status)
+{
+ /* we have only one error signature so match all fields at once. */
+ if ((mc5_status & 0xffff) == 0x0f0f)
+ pr_emerg(" FR Error: CPU Watchdog timer expire.\n");
+ else
+ pr_warning("Corrupted FR MCE info?\n");
+}
+
static inline void amd_decode_err_code(unsigned int ec)
{
if (TLB_ERROR(ec)) {
@@ -401,6 +410,10 @@ void decode_mce(struct mce *m)
amd_decode_nb_mce(node, &regs, 1);
break;
+ case 5:
+ amd_decode_fr_mce(m->status);
+ break;
+
default:
break;
}