diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/edac/mce_amd.c | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c index efbcb5389e8..afda6de5d7e 100644 --- a/drivers/edac/mce_amd.c +++ b/drivers/edac/mce_amd.c @@ -112,6 +112,22 @@ static const char * const f15h_cu_mce_desc[] = { "PRB address parity error" }; +static const char * const fr_ex_mce_desc[] = { + "CPU Watchdog timer expire", + "Wakeup array dest tag", + "AG payload array", + "EX payload array", + "IDRF array", + "Retire dispatch queue", + "Mapper checkpoint array", + "Physical register file EX0 port", + "Physical register file EX1 port", + "Physical register file AG0 port", + "Physical register file AG1 port", + "Flag register file", + "DE correctable error could not be corrected" +}; + static bool f12h_dc_mce(u16 ec, u8 xec) { bool ret = false; @@ -651,15 +667,26 @@ EXPORT_SYMBOL_GPL(amd_decode_nb_mce); static void amd_decode_fr_mce(struct mce *m) { - if (boot_cpu_data.x86 == 0xf || - boot_cpu_data.x86 == 0x11) + struct cpuinfo_x86 *c = &boot_cpu_data; + u8 xec = (m->status >> 16) & xec_mask; + + if (c->x86 == 0xf || c->x86 == 0x11) goto wrong_fr_mce; - /* we have only one error signature so match all fields at once. */ - if ((m->status & 0xffff) == 0x0f0f) { - pr_emerg(HW_ERR "FR Error: CPU Watchdog timer expire.\n"); - return; - } + if (c->x86 != 0x15 && xec != 0x0) + goto wrong_fr_mce; + + pr_emerg(HW_ERR "%s Error: ", + (c->x86 == 0x15 ? "Execution Unit" : "FIROB")); + + if (xec == 0x0 || xec == 0xc) + pr_cont("%s.\n", fr_ex_mce_desc[xec]); + else if (xec < 0xd) + pr_cont("%s parity error.\n", fr_ex_mce_desc[xec]); + else + goto wrong_fr_mce; + + return; wrong_fr_mce: pr_emerg(HW_ERR "Corrupted FR MCE info?\n"); |