svn commit: r352606 - head/sys/amd64/amd64

[Konstantin Belousov]

Author: kib
Date: Sun Sep 22 19:20:37 2019
New Revision: 352606
URL: https://svnweb.freebsd.org/changeset/base/352606

Log:
  amd64: minor tweaks to pat decoding in sysctl vm.pmap.kernel_maps.
  
  Decode PAT_UNCACHED.
  When unknown pat mode is encountered, print the pte bits combination
  instead of the index, which is always 8.
  
  Reviewed by:	markj
  Sponsored by:	The FreeBSD Foundation
  MFC after:	1 week
  Differential revision:	https://reviews.freebsd.org/D21738

Modified:
  head/sys/amd64/amd64/pmap.c

Modified: head/sys/amd64/amd64/pmap.c
==============================================================================
--- head/sys/amd64/amd64/pmap.c	Sun Sep 22 18:32:05 2019	(r352605)
+++ head/sys/amd64/amd64/pmap.c	Sun Sep 22 19:20:37 2019	(r352606)
@@ -10023,6 +10023,9 @@ sysctl_kmaps_dump(struct sbuf *sb, struct pmap_kernel_
 	case PAT_UNCACHEABLE:
 		mode = "UC";
 		break;
+	case PAT_UNCACHED:
+		mode = "U-";
+		break;
 	case PAT_WRITE_PROTECTED:
 		mode = "WP";
 		break;
@@ -10031,7 +10034,7 @@ sysctl_kmaps_dump(struct sbuf *sb, struct pmap_kernel_
 		break;
 	default:
 		printf("%s: unknown PAT mode %#x for range 0x%016lx-0x%016lx\n",
-		    __func__, i, range->sva, eva);
+		    __func__, pat_idx, range->sva, eva);
 		mode = "??";
 		break;
 	}