From patchwork Wed Jul 20 16:11:03 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julien Grall X-Patchwork-Id: 9239883 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C333C60574 for ; Wed, 20 Jul 2016 16:13:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B54E227C7A for ; Wed, 20 Jul 2016 16:13:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AA21727CE5; Wed, 20 Jul 2016 16:13:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 62A4D27C7A for ; Wed, 20 Jul 2016 16:13:58 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bPu6D-00080D-In; Wed, 20 Jul 2016 16:11:53 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bPu6C-0007wf-Br for xen-devel@lists.xen.org; Wed, 20 Jul 2016 16:11:52 +0000 Received: from [85.158.137.68] by server-14.bemta-3.messagelabs.com id 35/7C-20915-7C2AF875; Wed, 20 Jul 2016 16:11:51 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrOLMWRWlGSWpSXmKPExsVysyfVTff4ov5 wg45r4hZLPi5mcWD0OLr7N1MAYxRrZl5SfkUCa8asD/+YChq4Kg4/+8XcwPiIvYuRi0NIYBOj xNSdbxghnNOMEue3TwPKcHKwCWhK3Pn8iQnEFhGQlrj2+TJYEbNAO6PE8o3/WEASwgJ+Equnb GcEsVkEVCWenzvJCmLzCrhK9Ld+A4tLCMhJnDw2GSzOCRQ/f/InWFxIwEVi09tvzBMYuRcwMq xiVC9OLSpLLdI10ksqykzPKMlNzMzRNTQw1stNLS5OTE/NSUwq1kvOz93ECPRwPQMD4w7GU83 OhxglOZiURHlVRXvDhfiS8lMqMxKLM+KLSnNSiw8xynBwKEnwSi3sDxcSLEpNT61Iy8wBhhpM WoKDR0mElwskzVtckJhbnJkOkTrFqCglzusOkhAASWSU5sG1wcL7EqOslDAvIwMDgxBPQWpRb mYJqvwrRnEORiVh3laQKTyZeSVw018BLWYCWjxHAGxxSSJCSqqB0cBo/bsL824lXZlv5ZvJM9 9pg1L9f78jJ1Zv2yt4cd4jYQbN+RVfp+XflAucu1KQYTcL393MaRVNq295mbV7OC36s3KL1d2 9+lwfJog5919/dnsNw5trnE/8HH4YtNmbV9fFr73w7ExvcwzX0x/njXrLHm66GjvHflnA5pSL u4yPH7rQWvTrOocSS3FGoqEWc1FxIgAwApexagIAAA== X-Env-Sender: julien.grall@arm.com X-Msg-Ref: server-10.tower-31.messagelabs.com!1469031110!50895396!1 X-Originating-IP: [217.140.101.70] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 8.77; banners=-,-,- X-VirusChecked: Checked Received: (qmail 63041 invoked from network); 20 Jul 2016 16:11:51 -0000 Received: from foss.arm.com (HELO foss.arm.com) (217.140.101.70) by server-10.tower-31.messagelabs.com with SMTP; 20 Jul 2016 16:11:51 -0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 371B8C01; Wed, 20 Jul 2016 09:13:01 -0700 (PDT) Received: from e108454-lin.cambridge.arm.com (e108454-lin.cambridge.arm.com [10.1.218.32]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 8A8723F387; Wed, 20 Jul 2016 09:11:49 -0700 (PDT) From: Julien Grall To: xen-devel@lists.xen.org Date: Wed, 20 Jul 2016 17:11:03 +0100 Message-Id: <1469031064-23344-22-git-send-email-julien.grall@arm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1469031064-23344-1-git-send-email-julien.grall@arm.com> References: <1469031064-23344-1-git-send-email-julien.grall@arm.com> Cc: proskurin@sec.in.tum.de, Julien Grall , sstabellini@kernel.org, wei.chen@linaro.org, steve.capper@arm.com Subject: [Xen-devel] [PATCH 21/22] xen/arm: p2m: Replace flush_tlb_domain by p2m_flush_tlb X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP The function to flush the TLBs for a given p2m does not need to know about the domain. So pass directly the p2m in parameter. At the same time rename the function to p2m_flush_tlb to match the parameter change. Signed-off-by: Julien Grall Reviewed-by: Stefano Stabellini --- xen/arch/arm/p2m.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c index 8541171..5511d25 100644 --- a/xen/arch/arm/p2m.c +++ b/xen/arch/arm/p2m.c @@ -137,9 +137,8 @@ void p2m_restore_state(struct vcpu *n) isb(); } -static void flush_tlb_domain(struct domain *d) +static void p2m_flush_tlb(struct p2m_domain *p2m) { - struct p2m_domain *p2m = &d->arch.p2m; unsigned long flags = 0; uint64_t ovttbr; @@ -1158,7 +1157,7 @@ static int apply_p2m_changes(struct domain *d, out: if ( flush ) { - flush_tlb_domain(d); + p2m_flush_tlb(&d->arch.p2m); ret = iommu_iotlb_flush(d, gfn_x(sgfn), nr); if ( !rc ) rc = ret; @@ -1303,7 +1302,7 @@ static int p2m_alloc_table(struct domain *d) * Make sure that all TLBs corresponding to the new VMID are flushed * before using it */ - flush_tlb_domain(d); + p2m_flush_tlb(p2m); return 0; }