From patchwork Wed May 1 19:27:40 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefano Stabellini X-Patchwork-Id: 2508851 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by patchwork2.kernel.org (Postfix) with ESMTP id A7E4DDF230 for ; Wed, 1 May 2013 19:28:57 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UXchg-0008RC-2q; Wed, 01 May 2013 19:28:36 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UXchP-0001fq-FV; Wed, 01 May 2013 19:28:19 +0000 Received: from smtp.citrix.com ([66.165.176.89]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UXchI-0001eZ-Bj for linux-arm-kernel@lists.infradead.org; Wed, 01 May 2013 19:28:12 +0000 X-IronPort-AV: E=Sophos;i="4.87,590,1363132800"; d="scan'208";a="22708352" Received: from accessns.citrite.net (HELO FTLPEX01CL01.citrite.net) ([10.9.154.239]) by FTLPIPO01.CITRIX.COM with ESMTP/TLS/AES128-SHA; 01 May 2013 19:27:50 +0000 Received: from ukmail1.uk.xensource.com (10.80.16.128) by smtprelay.citrix.com (10.13.107.78) with Microsoft SMTP Server id 14.2.342.3; Wed, 1 May 2013 15:27:50 -0400 Received: from kaball.uk.xensource.com ([10.80.2.59]) by ukmail1.uk.xensource.com with esmtp (Exim 4.69) (envelope-from ) id 1UXcgq-00072l-Qh; Wed, 01 May 2013 20:27:44 +0100 From: Stefano Stabellini To: Subject: [PATCH 3/3] xen/arm: account for stolen ticks Date: Wed, 1 May 2013 20:27:40 +0100 Message-ID: <1367436460-10183-3-git-send-email-stefano.stabellini@eu.citrix.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130501_152812_532678_75B3E1F5 X-CRM114-Status: GOOD ( 10.44 ) X-Spam-Score: -9.5 (---------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-9.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [66.165.176.89 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -2.6 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Stefano Stabellini , marc.zyngier@arm.com, konrad.wilk@oracle.com, will.deacon@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Register the runstate_memory_area with the hypervisor. Use arch_timer_stolen_ticks and xen_stolen_accounting to account for stolen ticks. Signed-off-by: Stefano Stabellini --- arch/arm/xen/enlighten.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index d30042e..8f040a0 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -172,6 +173,8 @@ static int __init xen_secondary_init(unsigned int cpu) later ones fail to. */ per_cpu(xen_vcpu, cpu) = vcpup; } + + xen_setup_runstate_info(cpu); return 0; } @@ -272,6 +275,7 @@ static int __init xen_guest_init(void) if (!xen_initial_domain()) xenbus_probe(NULL); + arch_timer_stolen_ticks = xen_stolen_accounting; pm_power_off = xen_power_off; arm_pm_restart = xen_restart;