From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752816AbbL1VxW (ORCPT ); Mon, 28 Dec 2015 16:53:22 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:32774 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752469AbbL1VxQ (ORCPT ); Mon, 28 Dec 2015 16:53:16 -0500 From: Joao Martins To: linux-kernel@vger.kernel.org, xen-devel@lists.xen.org Cc: Joao Martins , Konrad Rzeszutek Wilk , Boris Ostrovsky , David Vrabel , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org Subject: [PATCH RFC 3/3] xen/Kconfig: add XEN_TIME_VSYSCALL option Date: Mon, 28 Dec 2015 21:52:37 +0000 Message-Id: <1451339557-24473-4-git-send-email-joao.m.martins@oracle.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1451339557-24473-1-git-send-email-joao.m.martins@oracle.com> References: <1451339557-24473-1-git-send-email-joao.m.martins@oracle.com> X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This option enables support for pvclock vsyscall/vdso support on Xen. Default is off, since Xen doesn't expose yet the PVCLOCK_TSC_STABLE_BIT flag. Signed-off-by: Joao Martins --- arch/x86/xen/Kconfig | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig index c7b15f3..636eaeb 100644 --- a/arch/x86/xen/Kconfig +++ b/arch/x86/xen/Kconfig @@ -37,6 +37,11 @@ config XEN_512GB It is always possible to change the default via specifying the boot parameter "xen_512gb_limit". +config XEN_TIME_VSYSCALL + bool "Enable Xen support for pvclock vsyscall/vdso" + depends on XEN && PARAVIRT_CLOCK + def_bool n + config XEN_SAVE_RESTORE bool depends on XEN -- 2.1.4