From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: [PATCH 04/25] xen: Add XEN config options Date: Mon, 23 Apr 2007 14:56:42 -0700 Message-ID: <20070423215709.990824532@goop.org> References: <20070423215638.563901986@goop.org> Return-path: Content-Disposition: inline; filename=xen-config.patch List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Andi Kleen Cc: Ian Pratt , lkml , Chris Wright , virtualization@lists.osdl.org, Andrew Morton List-Id: virtualization@lists.linuxfoundation.org The XEN config option enables the Xen paravirt_ops interface, which is installed when the kernel finds itself running under Xen. Xen is no longer a sub-architecture, so the X86_XEN subarch config option has gone. Xen is currently incompatible with PREEMPT, but this is fixed up later in the series. Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Ian Pratt Signed-off-by: Christian Limpach Signed-off-by: Chris Wright --- arch/i386/Kconfig | 2 ++ arch/i386/xen/Kconfig | 10 ++++++++++ 2 files changed, 12 insertions(+) =================================================================== --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -216,6 +216,8 @@ config PARAVIRT under a hypervisor, improving performance significantly. However, when run without a hypervisor the kernel is theoretically slower. If in doubt, say N. + +source "arch/i386/xen/Kconfig" config VMI bool "VMI Paravirt-ops support" =================================================================== --- /dev/null +++ b/arch/i386/xen/Kconfig @@ -0,0 +1,10 @@ +# +# This Kconfig describes xen options +# + +config XEN + bool "Enable support for Xen hypervisor" + depends on PARAVIRT && HZ_100 && !PREEMPT && !NO_HZ + default y + help + This is the Linux Xen port. --