From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933330AbdKAU70 (ORCPT ); Wed, 1 Nov 2017 16:59:26 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37040 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933124AbdKAU7X (ORCPT ); Wed, 1 Nov 2017 16:59:23 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com EAC8F80460 Authentication-Results: ext-mx04.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx04.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=longman@redhat.com From: Waiman Long To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Jonathan Corbet Cc: x86@kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, Juergen Gross , Alok Kataria , Rusty Russell , Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Boris Ostrovsky , Peter Zijlstra , Waiman Long Subject: [PATCH-tip v2 0/2] x86/paravirt: Enable users to choose PV lock type Date: Wed, 1 Nov 2017 16:58:52 -0400 Message-Id: <1509569934-4919-1-git-send-email-longman@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Wed, 01 Nov 2017 20:59:23 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org v1->v2: - Make pv_spinlock_type a bit mask for easier checking. - Add patch 2 to deprecate xen_nopvspin v1 - https://lkml.org/lkml/2017/11/1/381 Patch 1 adds a new pvlock_type parameter for the administrators to specify the type of lock to be used in a para-virtualized kernel. Patch 2 deprecates Xen's xen_nopvspin parameter as it is no longer needed. Waiman Long (2): x86/paravirt: Add kernel parameter to choose paravirt lock type x86/xen: Deprecate xen_nopvspin Documentation/admin-guide/kernel-parameters.txt | 11 ++++--- arch/x86/include/asm/paravirt.h | 9 ++++++ arch/x86/kernel/kvm.c | 3 ++ arch/x86/kernel/paravirt.c | 40 ++++++++++++++++++++++++- arch/x86/xen/spinlock.c | 17 +++++------ 5 files changed, 65 insertions(+), 15 deletions(-) -- 1.8.3.1