From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752732Ab2GPI1s (ORCPT ); Mon, 16 Jul 2012 04:27:48 -0400 Received: from e23smtp09.au.ibm.com ([202.81.31.142]:38333 "EHLO e23smtp09.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752461Ab2GPI1o (ORCPT ); Mon, 16 Jul 2012 04:27:44 -0400 From: Raghavendra K T To: "H. Peter Anvin" , Thomas Gleixner , Avi Kivity , Ingo Molnar , Marcelo Tosatti , Rik van Riel Cc: Srikar , S390 , Carsten Otte , Christian Borntraeger , KVM , Raghavendra K T , chegu vinod , "Andrew M. Theurer" , LKML , X86 , Gleb Natapov , linux390@de.ibm.com, Srivatsa Vaddagiri , Joerg Roedel Date: Mon, 16 Jul 2012 13:55:00 +0530 Message-Id: <20120716082500.23477.26086.sendpatchset@codeblue.in.ibm.com> In-Reply-To: <20120716082445.23477.15128.sendpatchset@codeblue.in.ibm.com> References: <20120716082445.23477.15128.sendpatchset@codeblue.in.ibm.com> Subject: [PATCH RFC V4 1/3] kvm/config: Add config to support ple or cpu relax optimzation x-cbid: 12071523-3568-0000-0000-00000224065B Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Raghavendra K T Suggested-by: Avi Kivity Signed-off-by: Raghavendra K T --- arch/s390/kvm/Kconfig | 1 + arch/x86/kvm/Kconfig | 1 + virt/kvm/Kconfig | 3 +++ 3 files changed, 5 insertions(+), 0 deletions(-) diff --git a/arch/s390/kvm/Kconfig b/arch/s390/kvm/Kconfig index 78eb984..a6e2677 100644 --- a/arch/s390/kvm/Kconfig +++ b/arch/s390/kvm/Kconfig @@ -21,6 +21,7 @@ config KVM depends on HAVE_KVM && EXPERIMENTAL select PREEMPT_NOTIFIERS select ANON_INODES + select HAVE_KVM_CPU_RELAX_INTERCEPT ---help--- Support hosting paravirtualized guest machines using the SIE virtualization capability on the mainframe. This should work diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index a28f338..45c044f 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -37,6 +37,7 @@ config KVM select TASK_DELAY_ACCT select PERF_EVENTS select HAVE_KVM_MSI + select HAVE_KVM_CPU_RELAX_INTERCEPT ---help--- Support hosting fully virtualized guest machines using hardware virtualization extensions. You will need a fairly recent diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig index 28694f4..d01b24b 100644 --- a/virt/kvm/Kconfig +++ b/virt/kvm/Kconfig @@ -21,3 +21,6 @@ config KVM_ASYNC_PF config HAVE_KVM_MSI bool + +config HAVE_KVM_CPU_RELAX_INTERCEPT + bool