Module Name: src
Committed By: jdolecek
Date: Tue Apr 21 13:31:09 UTC 2020
Modified Files:
src/sys/arch/xen/xen: xbd_xenbus.c
Log Message:
adjust the condition for max indirect segments to make it clear what
is really needed (enough to map MAXPHYS + 1 page); no functional difference
To generate a diff of this commit:
cvs rdiff -u -r1.121 -r1.122 src/sys/arch/xen/xen/xbd_xenbus.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/xen/xen/xbd_xenbus.c
diff -u src/sys/arch/xen/xen/xbd_xenbus.c:1.121 src/sys/arch/xen/xen/xbd_xenbus.c:1.122
--- src/sys/arch/xen/xen/xbd_xenbus.c:1.121 Sun Apr 19 16:45:08 2020
+++ src/sys/arch/xen/xen/xbd_xenbus.c Tue Apr 21 13:31:08 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: xbd_xenbus.c,v 1.121 2020/04/19 16:45:08 jdolecek Exp $ */
+/* $NetBSD: xbd_xenbus.c,v 1.122 2020/04/21 13:31:08 jdolecek Exp $ */
/*
* Copyright (c) 2006 Manuel Bouyer.
@@ -50,7 +50,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xbd_xenbus.c,v 1.121 2020/04/19 16:45:08 jdolecek Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xbd_xenbus.c,v 1.122 2020/04/21 13:31:08 jdolecek Exp $");
#include "opt_xen.h"
@@ -769,7 +769,7 @@ xbd_features(struct xbd_xenbus_softc *sc
"feature-max-indirect-segments", &val, 10);
if (err)
val = 0;
- if (val > (MAXPHYS >> PAGE_SHIFT)) {
+ if (val >= (MAXPHYS >> PAGE_SHIFT) + 1) {
/* We can use indirect segments, the limit is big enough */
sc->sc_features |= BLKIF_FEATURE_INDIRECT;
}
