Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/gi…

…t/bp/bp

Pull EDAC fixes from Borislav Petkov:
 "A fix from Mauro to correct csrow size accounting in sysfs and a
  sparse fix from Stephen Hemminger."

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  EDAC: Merge mci.mem_is_per_rank with mci.csbased
  amd64_edac: Correct DIMM sizes
  EDAC: Make sysfs functions static

drivers/edac/amd64_edac.c

@@ -2048,12 +2048,18 @@ static int init_csrows(struct mem_ctl_info *mci)
 		edac_dbg(1, "MC node: %d, csrow: %d\n",
 			    pvt->mc_node_id, i);
 
-		if (row_dct0)
+		if (row_dct0) {
 			nr_pages = amd64_csrow_nr_pages(pvt, 0, i);
+			csrow->channels[0]->dimm->nr_pages = nr_pages;
+		}
 
 		/* K8 has only one DCT */
-		if (boot_cpu_data.x86 != 0xf && row_dct1)
-			nr_pages += amd64_csrow_nr_pages(pvt, 1, i);
+		if (boot_cpu_data.x86 != 0xf && row_dct1) {
+			int row_dct1_pages = amd64_csrow_nr_pages(pvt, 1, i);
+
+			csrow->channels[1]->dimm->nr_pages = row_dct1_pages;
+			nr_pages += row_dct1_pages;
+		}
 
 		mtype = amd64_determine_memory_type(pvt, i);
 
@@ -2072,9 +2078,7 @@ static int init_csrows(struct mem_ctl_info *mci)
 			dimm = csrow->channels[j]->dimm;
 			dimm->mtype = mtype;
 			dimm->edac_mode = edac_mode;
-			dimm->nr_pages = nr_pages;
 		}
-		csrow->nr_pages = nr_pages;
 	}
 
 	return empty;
@@ -2419,7 +2423,6 @@ static int amd64_init_one_instance(struct pci_dev *F2)
 
 	mci->pvt_info = pvt;
 	mci->pdev = &pvt->F2->dev;
-	mci->csbased = 1;
 
 	setup_mci_misc_attrs(mci, fam_type);
 

drivers/edac/edac_mc.c

@@ -86,7 +86,7 @@ static void edac_mc_dump_dimm(struct dimm_info *dimm, int number)
 	edac_dimm_info_location(dimm, location, sizeof(location));
 
 	edac_dbg(4, "%s%i: %smapped as virtual row %d, chan %d\n",
-		 dimm->mci->mem_is_per_rank ? "rank" : "dimm",
+		 dimm->mci->csbased ? "rank" : "dimm",
 		 number, location, dimm->csrow, dimm->cschannel);
 	edac_dbg(4, "  dimm = %p\n", dimm);
 	edac_dbg(4, "  dimm->label = '%s'\n", dimm->label);
@@ -341,7 +341,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num,
 	memcpy(mci->layers, layers, sizeof(*layer) * n_layers);
 	mci->nr_csrows = tot_csrows;
 	mci->num_cschannel = tot_channels;
-	mci->mem_is_per_rank = per_rank;
+	mci->csbased = per_rank;
 
 	/*
 	 * Alocate and fill the csrow/channels structs
@@ -1235,7 +1235,7 @@ void edac_mc_handle_error(const enum hw_event_mc_err_type type,
 			 * incrementing the compat API counters
 			 */
 			edac_dbg(4, "%s csrows map: (%d,%d)\n",
-				 mci->mem_is_per_rank ? "rank" : "dimm",
+				 mci->csbased ? "rank" : "dimm",
 				 dimm->csrow, dimm->cschannel);
 			if (row == -1)
 				row = dimm->csrow;

drivers/edac/edac_mc_sysfs.c

@@ -143,7 +143,7 @@ static const char *edac_caps[] = {
  * and the per-dimm/per-rank one
  */
 #define DEVICE_ATTR_LEGACY(_name, _mode, _show, _store) \
-	struct device_attribute dev_attr_legacy_##_name = __ATTR(_name, _mode, _show, _store)
+	static struct device_attribute dev_attr_legacy_##_name = __ATTR(_name, _mode, _show, _store)
 
 struct dev_ch_attribute {
 	struct device_attribute attr;
@@ -180,9 +180,6 @@ static ssize_t csrow_size_show(struct device *dev,
 	int i;
 	u32 nr_pages = 0;
 
-	if (csrow->mci->csbased)
-		return sprintf(data, "%u\n", PAGES_TO_MiB(csrow->nr_pages));
-
 	for (i = 0; i < csrow->nr_channels; i++)
 		nr_pages += csrow->channels[i]->dimm->nr_pages;
 	return sprintf(data, "%u\n", PAGES_TO_MiB(nr_pages));
@@ -612,7 +609,7 @@ static int edac_create_dimm_object(struct mem_ctl_info *mci,
 	device_initialize(&dimm->dev);
 
 	dimm->dev.parent = &mci->dev;
-	if (mci->mem_is_per_rank)
+	if (mci->csbased)
 		dev_set_name(&dimm->dev, "rank%d", index);
 	else
 		dev_set_name(&dimm->dev, "dimm%d", index);
@@ -778,14 +775,10 @@ static ssize_t mci_size_mb_show(struct device *dev,
 	for (csrow_idx = 0; csrow_idx < mci->nr_csrows; csrow_idx++) {
 		struct csrow_info *csrow = mci->csrows[csrow_idx];
 
-		if (csrow->mci->csbased) {
-			total_pages += csrow->nr_pages;
-		} else {
-			for (j = 0; j < csrow->nr_channels; j++) {
-				struct dimm_info *dimm = csrow->channels[j]->dimm;
+		for (j = 0; j < csrow->nr_channels; j++) {
+			struct dimm_info *dimm = csrow->channels[j]->dimm;
 
-				total_pages += dimm->nr_pages;
-			}
+			total_pages += dimm->nr_pages;
 		}
 	}
 

include/linux/edac.h

@@ -561,7 +561,6 @@ struct csrow_info {
 
 	u32 ue_count;		/* Uncorrectable Errors for this csrow */
 	u32 ce_count;		/* Correctable Errors for this csrow */
-	u32 nr_pages;		/* combined pages count of all channels */
 
 	struct mem_ctl_info *mci;	/* the parent */
 
@@ -676,11 +675,11 @@ struct mem_ctl_info {
 	 * sees memory sticks ("dimms"), and the ones that sees memory ranks.
 	 * All old memory controllers enumerate memories per rank, but most
 	 * of the recent drivers enumerate memories per DIMM, instead.
-	 * When the memory controller is per rank, mem_is_per_rank is true.
+	 * When the memory controller is per rank, csbased is true.
 	 */
 	unsigned n_layers;
 	struct edac_mc_layer *layers;
-	bool mem_is_per_rank;
+	bool csbased;
 
 	/*
 	 * DIMM info. Will eventually remove the entire csrows_info some day
@@ -741,8 +740,6 @@ struct mem_ctl_info {
 	u32 fake_inject_ue;
 	u16 fake_inject_count;
 #endif
-	__u8 csbased : 1,	/* csrow-based memory controller */
-	     __resv  : 7;
 };
 
 #endif