* [PATCH] xen: disable all non-virtual devices
@ 2007-06-06 1:23 ` Jeremy Fitzhardinge
0 siblings, 0 replies; 2+ messages in thread
From: Jeremy Fitzhardinge @ 2007-06-06 1:23 UTC (permalink / raw)
To: Andi Kleen
Cc: Virtualization Mailing List, Andrew Morton,
Linux Kernel Mailing List
A domU Xen environment has no non-virtual drivers, so make sure
they're all disabled at once. This noticeably speeds up boot time.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
diff -r c79da0042c7d arch/i386/xen/setup.c
--- a/arch/i386/xen/setup.c Tue Jun 05 18:17:30 2007 -0700
+++ b/arch/i386/xen/setup.c Tue Jun 05 18:17:59 2007 -0700
@@ -93,4 +93,6 @@ void __init xen_arch_setup(void)
/* fill cpus_possible with all available cpus */
xen_fill_possible_map();
#endif
+
+ paravirt_disable_iospace();
}
^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH] xen: disable all non-virtual devices
@ 2007-06-06 1:23 ` Jeremy Fitzhardinge
0 siblings, 0 replies; 2+ messages in thread
From: Jeremy Fitzhardinge @ 2007-06-06 1:23 UTC (permalink / raw)
To: Andi Kleen
Cc: Andrew Morton, Linux Kernel Mailing List,
Virtualization Mailing List, Rusty Russell
A domU Xen environment has no non-virtual drivers, so make sure
they're all disabled at once. This noticeably speeds up boot time.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
diff -r c79da0042c7d arch/i386/xen/setup.c
--- a/arch/i386/xen/setup.c Tue Jun 05 18:17:30 2007 -0700
+++ b/arch/i386/xen/setup.c Tue Jun 05 18:17:59 2007 -0700
@@ -93,4 +93,6 @@ void __init xen_arch_setup(void)
/* fill cpus_possible with all available cpus */
xen_fill_possible_map();
#endif
+
+ paravirt_disable_iospace();
}
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2007-06-06 1:39 UTC | newest]
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2007-06-06 1:23 [PATCH] xen: disable all non-virtual devices Jeremy Fitzhardinge
2007-06-06 1:23 ` Jeremy Fitzhardinge
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