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amd64_edac: Cleanup NBSH cruft 

Remove reporting of errors with UC bit set - this is done by the MCE
decoding code anyway and this driver deals with DRAM ECC errors only. UC
(NB uncorrectable error) doesn't necessarily mean it is a DRAM error.
Remove unused macros while at it.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
This commit is contained in:
Borislav Petkov 2011-01-07 16:17:46 +01:00
parent a97fa68ec4
commit bcd781f46a
3 changed files with 8 additions and 27 deletions
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15
drivers/edac/amd64_edac.c
View File

@ -1748,7 +1748,7 @@ static void amd64_handle_ce(struct mem_ctl_info *mci,
u64 sys_addr;
/* Ensure that the Error Address is VALID */
if (!(info->nbsh & K8_NBSH_VALID_ERROR_ADDR)) {
if (!(info->nbsh & NBSH_VALID_ERROR_ADDR)) {
amd64_mc_err(mci, "HW has no ERROR_ADDRESS available\n");
edac_mc_handle_ce_no_info(mci, EDAC_MOD_STR);
return;
@ -1773,7 +1773,7 @@ static void amd64_handle_ue(struct mem_ctl_info *mci,
log_mci = mci;
if (!(info->nbsh & K8_NBSH_VALID_ERROR_ADDR)) {
if (!(info->nbsh & NBSH_VALID_ERROR_ADDR)) {
amd64_mc_err(mci, "HW has no ERROR_ADDRESS available\n");
edac_mc_handle_ue_no_info(log_mci, EDAC_MOD_STR);
return;
@ -1839,17 +1839,6 @@ void amd64_decode_bus_error(int node_id, struct mce *m, u32 nbcfg)
regs.nbcfg = nbcfg;
__amd64_decode_bus_error(mci, &regs);
/*
* Check the UE bit of the NB status high register, if set generate some
* logs. If NOT a GART error, then process the event as a NO-INFO event.
* If it was a GART error, skip that process.
*
* FIXME: this should go somewhere else, if at all.
*/
if (regs.nbsh & K8_NBSH_UC_ERR && !report_gart_errors)
edac_mc_handle_ue_no_info(mci, "UE bit is set");
}
/*

2
drivers/edac/mce_amd.c
View File

@ -604,7 +604,7 @@ void amd_decode_nb_mce(int node_id, struct mce *m, u32 nbcfg)
/* F10h, revD can disable ErrCpu[3:0] through ErrCpuVal */
if ((boot_cpu_data.x86 == 0x10) &&
(boot_cpu_data.x86_model > 7)) {
if (nbsh & K8_NBSH_ERR_CPU_VAL)
if (nbsh & NBSH_ERR_CPU_VAL)
core = nbsh & nb_err_cpumask;
} else {
u8 assoc_cpus = nbsh & nb_err_cpumask;

18
drivers/edac/mce_amd.h
View File

@ -31,19 +31,11 @@
#define R4(x) (((x) >> 4) & 0xf)
#define R4_MSG(x) ((R4(x) < 9) ? rrrr_msgs[R4(x)] : "Wrong R4!")
#define K8_NBSH 0x4C
#define K8_NBSH_VALID_BIT BIT(31)
#define K8_NBSH_OVERFLOW BIT(30)
#define K8_NBSH_UC_ERR BIT(29)
#define K8_NBSH_ERR_EN BIT(28)
#define K8_NBSH_MISCV BIT(27)
#define K8_NBSH_VALID_ERROR_ADDR BIT(26)
#define K8_NBSH_PCC BIT(25)
#define K8_NBSH_ERR_CPU_VAL BIT(24)
#define K8_NBSH_CECC BIT(14)
#define K8_NBSH_UECC BIT(13)
#define K8_NBSH_ERR_SCRUBER BIT(8)
/*
* F3x4C bits (MCi_STATUS' high half)
*/
#define NBSH_VALID_ERROR_ADDR BIT(26)
#define NBSH_ERR_CPU_VAL BIT(24)
enum tt_ids {
TT_INSTR = 0,