From: hshoexer <hshoexer@yerbouti.franken.de>
Subject: acpidmar(4): Move debug printf to show the actual mapping
To: tech@openbsd.org
Date: Tue, 28 Jul 2026 16:04:39 +0200

Hi,

trivial tweak to debug print the single mappings.  Note, this
requires to adjust debugme() to actually print something.

ok?

------------------------------------------------------------------------
diff --git a/sys/dev/acpi/acpidmar.c b/sys/dev/acpi/acpidmar.c
index cf18265fd09..b680b858411 100644
--- a/sys/dev/acpi/acpidmar.c
+++ b/sys/dev/acpi/acpidmar.c
@@ -857,16 +857,16 @@ domain_load_map(struct domain *dom, bus_dmamap_t map, int flags, int pteflag,
 			if (error)
 				goto fail;
 
+			if (debugme(dom)) {
+				printf("  LOADMAP: %.16llx %x => %.16llx\n",
+				    (uint64_t)seg->ds_addr,
+				    (uint32_t)seg->ds_len, (uint64_t)res);
+			}
+
 			/* Reassign DMA address */
 			seg->ds_addr = res | (seg->ds_addr & VTD_PAGE_MASK);
 		}
 
-		if (debugme(dom)) {
-			printf("  LOADMAP: %.16llx %x => %.16llx\n",
-			    (uint64_t)seg->ds_addr, (uint32_t)seg->ds_len,
-			    (uint64_t)res);
-		}
-
 		mapped_nsegs = i + 1;
 
 		for (idx = 0; idx < alen; idx += VTD_PAGE_SIZE) {