From patchwork Tue May 17 07:49:47 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: xinhui X-Patchwork-Id: 622954 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3r88vz0dcvz9t4F for ; Tue, 17 May 2016 18:03:11 +1000 (AEST) Received: from ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 3r88vy70qnzDqlB for ; Tue, 17 May 2016 18:03:10 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from e28smtp02.in.ibm.com (e28smtp02.in.ibm.com [125.16.236.2]) (using TLSv1.2 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3r88fL1NryzDqCK for ; Tue, 17 May 2016 17:51:21 +1000 (AEST) Received: from localhost by e28smtp02.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 17 May 2016 13:21:17 +0530 Received: from d28dlp02.in.ibm.com (9.184.220.127) by e28smtp02.in.ibm.com (192.168.1.132) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Tue, 17 May 2016 13:21:15 +0530 X-IBM-Helo: d28dlp02.in.ibm.com X-IBM-MailFrom: xinhui.pan@linux.vnet.ibm.com X-IBM-RcptTo: linuxppc-dev@lists.ozlabs.org Received: from d28relay10.in.ibm.com (d28relay10.in.ibm.com [9.184.220.161]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id 546703940071 for ; Tue, 17 May 2016 13:21:13 +0530 (IST) Received: from d28av01.in.ibm.com (d28av01.in.ibm.com [9.184.220.63]) by d28relay10.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u4H7pCcI26214494 for ; Tue, 17 May 2016 13:21:12 +0530 Received: from d28av01.in.ibm.com (localhost [127.0.0.1]) by d28av01.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u4H7p9a4018824 for ; Tue, 17 May 2016 13:21:12 +0530 Received: from pp-VirtualBox.cn.ibm.com (adminib-8ad6lrj.cn.ibm.com [9.123.229.170]) by d28av01.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u4H7oRMB016392; Tue, 17 May 2016 13:21:03 +0530 From: Pan Xinhui To: linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v2 6/6] powerpc: pseries: pv-qspinlock build config/make Date: Tue, 17 May 2016 15:49:47 +0800 Message-Id: <1463471387-5115-7-git-send-email-xinhui.pan@linux.vnet.ibm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1463471387-5115-1-git-send-email-xinhui.pan@linux.vnet.ibm.com> References: <1463471387-5115-1-git-send-email-xinhui.pan@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16051707-0005-0000-0000-00000CE35687 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mnipxh@163.com, Pan Xinhui , peterz@infradead.org, boqun.feng@gmail.com, waiman.long@hpe.com, mingo@redhat.com, paulus@samba.org, paulmck@linux.vnet.ibm.com MIME-Version: 1.0 Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" pseries can use pv-qspinlock. Signed-off-by: Pan Xinhui --- arch/powerpc/kernel/Makefile | 1 + arch/powerpc/platforms/pseries/Kconfig | 8 ++++++++ 2 files changed, 9 insertions(+) diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 2da380f..ae7c2f1 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -50,6 +50,7 @@ obj-$(CONFIG_PPC_970_NAP) += idle_power4.o obj-$(CONFIG_PPC_P7_NAP) += idle_power7.o procfs-y := proc_powerpc.o obj-$(CONFIG_PROC_FS) += $(procfs-y) +obj-$(CONFIG_PARAVIRT_SPINLOCKS) += paravirt.o rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI) := rtas_pci.o obj-$(CONFIG_PPC_RTAS) += rtas.o rtas-rtc.o $(rtaspci-y-y) obj-$(CONFIG_PPC_RTAS_DAEMON) += rtasd.o diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index f669323..46632e4 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -128,3 +128,11 @@ config HV_PERF_CTRS systems. 24x7 is available on Power 8 systems. If unsure, select Y. + +config PARAVIRT_SPINLOCKS + bool "Paravirtialization support for qspinlock" + depends on PPC_SPLPAR && QUEUED_SPINLOCKS + default y + help + If platform supports virtualization, for example PowerVM, this option + can let guest have a better performace.