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EDAC/mc: Remove enable_per_layer_report function argument

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Many functions carry the enable_per_layer_report argument. This is a
bool value indicating the error information contains some location
data where the error occurred. This can easily being determined by
checking the pos[] array for values. Negative values indicate there is
no location available. So if the top layer is negative, the error
location is unknown.

Just check if the top layer is negative and remove
enable_per_layer_report as function argument and also from struct
edac_raw_error_desc.

 [ bp: Reflow comments to 80 columns, while at it. ]

Signed-off-by: Robert Richter <rrichter@marvell.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Aristeu Rozanski <aris@redhat.com>
Link: https://lkml.kernel.org/r/20200123090210.26933-8-rrichter@marvell.com
This commit is contained in:
Robert Richter 2020-01-23 09:03:02 +00:00 committed by Borislav Petkov
parent 65bb4d1af9
commit 67792cf958
3 changed files with 19 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
drivers/edac/edac_mc.c
View File

@ -946,7 +946,6 @@ const char *edac_layer_name[] = {
EXPORT_SYMBOL_GPL(edac_layer_name);
static void edac_inc_ce_error(struct mem_ctl_info *mci,
bool enable_per_layer_report,
const int pos[EDAC_MAX_LAYERS],
const u16 count)
{
@ -954,7 +953,7 @@ static void edac_inc_ce_error(struct mem_ctl_info *mci,
mci->ce_mc += count;
if (!enable_per_layer_report) {
if (pos[0] < 0) {
mci->ce_noinfo_count += count;
return;
}
@ -971,7 +970,6 @@ static void edac_inc_ce_error(struct mem_ctl_info *mci,
}
static void edac_inc_ue_error(struct mem_ctl_info *mci,
bool enable_per_layer_report,
const int pos[EDAC_MAX_LAYERS],
const u16 count)
{
@ -979,7 +977,7 @@ static void edac_inc_ue_error(struct mem_ctl_info *mci,
mci->ue_mc += count;
if (!enable_per_layer_report) {
if (pos[0] < 0) {
mci->ue_noinfo_count += count;
return;
}
@ -1003,7 +1001,6 @@ static void edac_ce_error(struct mem_ctl_info *mci,
const char *label,
const char *detail,
const char *other_detail,
const bool enable_per_layer_report,
const unsigned long page_frame_number,
const unsigned long offset_in_page,
long grain)
@ -1026,7 +1023,7 @@ static void edac_ce_error(struct mem_ctl_info *mci,
error_count, msg, msg_aux, label,
location, detail);
}
edac_inc_ce_error(mci, enable_per_layer_report, pos, error_count);
edac_inc_ce_error(mci, pos, error_count);
if (mci->scrub_mode == SCRUB_SW_SRC) {
/*
@ -1056,8 +1053,7 @@ static void edac_ue_error(struct mem_ctl_info *mci,
const char *location,
const char *label,
const char *detail,
const char *other_detail,
const bool enable_per_layer_report)
const char *other_detail)
{
char *msg_aux = "";
@ -1086,7 +1082,7 @@ static void edac_ue_error(struct mem_ctl_info *mci,
msg, msg_aux, label, location, detail);
}
edac_inc_ue_error(mci, enable_per_layer_report, pos, error_count);
edac_inc_ue_error(mci, pos, error_count);
}
static void edac_inc_csrow(struct edac_raw_error_desc *e, int row, int chan)
@ -1136,16 +1132,16 @@ void edac_raw_mc_handle_error(struct edac_raw_error_desc *e)
"page:0x%lx offset:0x%lx grain:%ld syndrome:0x%lx",
e->page_frame_number, e->offset_in_page,
e->grain, e->syndrome);
edac_ce_error(mci, e->error_count, pos, e->msg, e->location, e->label,
detail, e->other_detail, e->enable_per_layer_report,
edac_ce_error(mci, e->error_count, pos, e->msg, e->location,
e->label, detail, e->other_detail,
e->page_frame_number, e->offset_in_page, e->grain);
} else {
snprintf(detail, sizeof(detail),
"page:0x%lx offset:0x%lx grain:%ld",
e->page_frame_number, e->offset_in_page, e->grain);
edac_ue_error(mci, e->error_count, pos, e->msg, e->location, e->label,
detail, e->other_detail, e->enable_per_layer_report);
edac_ue_error(mci, e->error_count, pos, e->msg, e->location,
e->label, detail, e->other_detail);
}
@ -1170,6 +1166,7 @@ void edac_mc_handle_error(const enum hw_event_mc_err_type type,
int pos[EDAC_MAX_LAYERS] = { top_layer, mid_layer, low_layer };
int i, n_labels = 0;
struct edac_raw_error_desc *e = &mci->error_desc;
bool any_memory = true;
edac_dbg(3, "MC%d\n", mci->mc_idx);
@ -1187,10 +1184,9 @@ void edac_mc_handle_error(const enum hw_event_mc_err_type type,
e->other_detail = other_detail;
/*
* Check if the event report is consistent and if the memory
* location is known. If it is known, enable_per_layer_report will be
* true, the DIMM(s) label info will be filled and the per-layer
* error counters will be incremented.
* Check if the event report is consistent and if the memory location is
* known. If it is, the DIMM(s) label info will be filled and the
* per-layer error counters will be incremented.
*/
for (i = 0; i < mci->n_layers; i++) {
if (pos[i] >= (int)mci->layers[i].size) {
@ -1208,7 +1204,7 @@ void edac_mc_handle_error(const enum hw_event_mc_err_type type,
pos[i] = -1;
}
if (pos[i] >= 0)
e->enable_per_layer_report = true;
any_memory = false;
}
/*
@ -1239,9 +1235,9 @@ void edac_mc_handle_error(const enum hw_event_mc_err_type type,
/*
* If the error is memory-controller wide, there's no need to
* seek for the affected DIMMs because the whole
* channel/memory controller/... may be affected.
* Also, don't show errors for empty DIMM slots.
* seek for the affected DIMMs because the whole channel/memory
* controller/... may be affected. Also, don't show errors for
* empty DIMM slots.
*/
if (!dimm->nr_pages)
continue;
@ -1277,7 +1273,7 @@ void edac_mc_handle_error(const enum hw_event_mc_err_type type,
chan = -2;
}
if (!e->enable_per_layer_report)
if (any_memory)
strcpy(e->label, "any memory");
else if (!*e->label)
strcpy(e->label, "unknown memory");

5
drivers/edac/ghes_edac.c
View File

@ -355,11 +355,8 @@ void ghes_edac_report_mem_error(int sev, struct cper_sec_mem_err *mem_err)
mem_err->mem_dev_handle);
index = get_dimm_smbios_index(mci, mem_err->mem_dev_handle);
if (index >= 0) {
if (index >= 0)
e->top_layer = index;
e->enable_per_layer_report = true;
}
}
if (p > e->location)
*(p - 1) = '\0';

3
include/linux/edac.h
View File

@ -454,8 +454,6 @@ struct errcount_attribute_data {
* @location: location of the error
* @label: label of the affected DIMM(s)
* @other_detail: other driver-specific detail about the error
* @enable_per_layer_report: if false, the error affects all layers
* (typically, a memory controller error)
*/
struct edac_raw_error_desc {
char location[LOCATION_SIZE];
@ -472,7 +470,6 @@ struct edac_raw_error_desc {
unsigned long syndrome;
const char *msg;
const char *other_detail;
bool enable_per_layer_report;
};
/* MEMORY controller information structure