diff mbox

parisc: Show DIMM slot number which holds broken memory module

Message ID 20170725181225.GA22332@p100.box (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Helge Deller July 25, 2017, 6:12 p.m. UTC 
The Page Deallocation Table (PDT) holds the physical addresses of all broken
memory addresses. With the physical address we now are able to show which DIMM
slot (e.g. 1a, 3c) actually holds the broken memory module so that users are
able to replace it.

Signed-off-by: Helge Deller <deller@gmx.de>

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diff mbox

Patch

diff --git a/arch/parisc/kernel/pdt.c b/arch/parisc/kernel/pdt.c
index 040d49b..fab374c 100644
--- a/arch/parisc/kernel/pdt.c
+++ b/arch/parisc/kernel/pdt.c
@@ -133,11 +133,18 @@  void __init pdc_pdt_init(void)
 	}
 
 	for (i = 0; i < pdt_status.pdt_entries; i++) {
-		if (i < 20)
-			pr_warn("PDT: BAD PAGE #%d at 0x%08lx (error_type = %lu)\n",
-				i,
-				pdt_entry[i] & PAGE_MASK,
-				pdt_entry[i] & 1);
+		struct pdc_pat_mem_phys_mem_location loc;
+
+		/* get DIMM slot number */
+		loc.dimm_slot = 0xff;
+		pdc_pat_mem_get_dimm_phys_location(&loc, pdt_entry[i]);
+
+		pr_warn("PDT: BAD PAGE #%d at 0x%08lx, "
+			"DIMM slot %02x (error_type = %lu)\n",
+			i,
+			pdt_entry[i] & PAGE_MASK,
+			loc.dimm_slot,
+			pdt_entry[i] & 1);
 
 		/* mark memory page bad */
 		memblock_reserve(pdt_entry[i] & PAGE_MASK, PAGE_SIZE);