[src/trunk]: src/sys/arch Put back 32k MAXPHYS, reverting

[bouyer <bouyer%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2f41dd276754
branches:  trunk
changeset: 784301:2f41dd276754
user:      bouyer <bouyer%NetBSD.org@localhost>
date:      Thu Jan 24 13:58:40 2013 +0000

description:
Put back 32k MAXPHYS, reverting
http://mail-index.netbsd.org/source-changes/2013/01/19/msg040666.html

64k MAXPHYS breaks at last iso9660, as shown by periodic anita runs at
http://www-soc.lip6.fr/~bouyer/NetBSD-tests/xen/

diffstat:

 sys/arch/amd64/conf/XEN3_DOMU |  3 ++-
 sys/arch/i386/conf/XEN3_DOMU  |  3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diffs (34 lines):

diff -r 1e1c59e32451 -r 2f41dd276754 sys/arch/amd64/conf/XEN3_DOMU
--- a/sys/arch/amd64/conf/XEN3_DOMU     Thu Jan 24 13:35:52 2013 +0000
+++ b/sys/arch/amd64/conf/XEN3_DOMU     Thu Jan 24 13:58:40 2013 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: XEN3_DOMU,v 1.42 2013/01/19 16:19:56 jakllsch Exp $
+# $NetBSD: XEN3_DOMU,v 1.43 2013/01/24 13:58:40 bouyer Exp $
 
 include        "arch/amd64/conf/std.xen"
 
@@ -13,6 +13,7 @@
 maxusers       32              # estimated number of users
 
 #
+options        MAXPHYS=32768   #xbd doesn't handle 64k transfers
 #options       DOM0OPS
 
 #options       USER_LDT        # user-settable LDT; used by WINE
diff -r 1e1c59e32451 -r 2f41dd276754 sys/arch/i386/conf/XEN3_DOMU
--- a/sys/arch/i386/conf/XEN3_DOMU      Thu Jan 24 13:35:52 2013 +0000
+++ b/sys/arch/i386/conf/XEN3_DOMU      Thu Jan 24 13:58:40 2013 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: XEN3_DOMU,v 1.47 2013/01/19 16:19:55 jakllsch Exp $
+# $NetBSD: XEN3_DOMU,v 1.48 2013/01/24 13:58:41 bouyer Exp $
 
 include        "arch/xen/conf/std.xen"
 
@@ -167,6 +167,7 @@
 #options       NFS_BOOTSTATIC_SERVER="\"server:/path/to/root\""
 
 #options       __XEN_INTERFACE_VERSION__=0x00030205 # Xen 3.1 interface
+options        MAXPHYS=32768   #xbd doesn't handle 64k transfers
 
 config         netbsd  root on ? type ?
 #config                netbsd  root on wd0a type ffs