From patchwork Fri Feb 28 09:33:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Roger_Pau_Monn=C3=A9?= X-Patchwork-Id: 11411907 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 25B5814B7 for ; Fri, 28 Feb 2020 09:35:05 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 01C64246A8 for ; Fri, 28 Feb 2020 09:35:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=citrix.com header.i=@citrix.com header.b="N9QreNJo" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 01C64246A8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=citrix.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1j7c1w-0000bp-7u; Fri, 28 Feb 2020 09:34:00 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1j7c1v-0000bk-LK for xen-devel@lists.xenproject.org; Fri, 28 Feb 2020 09:33:59 +0000 X-Inumbo-ID: 71eb72d2-5a0d-11ea-b7e8-bc764e2007e4 Received: from esa6.hc3370-68.iphmx.com (unknown [216.71.155.175]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 71eb72d2-5a0d-11ea-b7e8-bc764e2007e4; Fri, 28 Feb 2020 09:33:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1582882438; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=6l5KOEOMEfd/dm+k2HigR4acxynGYI4BQOTLwjxMXPc=; b=N9QreNJo/Mf+krNMhgpIh+PqYwTFsp2n+tZnuAhgAhUgELpkCevKir98 7/+BHRie/c83JZH6cH3e1HazQCwv99qqZfE41rEHL2cfxj8B2/3xBu4N0 bLJ79RmF4fyE9TCkhENugnpxjNym8sjTJyNDSFfrjCKLwo/p2sf9105ot Y=; Authentication-Results: esa6.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none; spf=None smtp.pra=roger.pau@citrix.com; spf=Pass smtp.mailfrom=roger.pau@citrix.com; spf=None smtp.helo=postmaster@mail.citrix.com Received-SPF: None (esa6.hc3370-68.iphmx.com: no sender authenticity information available from domain of roger.pau@citrix.com) identity=pra; client-ip=162.221.158.21; receiver=esa6.hc3370-68.iphmx.com; envelope-from="roger.pau@citrix.com"; x-sender="roger.pau@citrix.com"; x-conformance=sidf_compatible Received-SPF: Pass (esa6.hc3370-68.iphmx.com: domain of roger.pau@citrix.com designates 162.221.158.21 as permitted sender) identity=mailfrom; client-ip=162.221.158.21; receiver=esa6.hc3370-68.iphmx.com; envelope-from="roger.pau@citrix.com"; x-sender="roger.pau@citrix.com"; x-conformance=sidf_compatible; x-record-type="v=spf1"; x-record-text="v=spf1 ip4:209.167.231.154 ip4:178.63.86.133 ip4:195.66.111.40/30 ip4:85.115.9.32/28 ip4:199.102.83.4 ip4:192.28.146.160 ip4:192.28.146.107 ip4:216.52.6.88 ip4:216.52.6.188 ip4:162.221.158.21 ip4:162.221.156.83 ip4:168.245.78.127 ~all" Received-SPF: None (esa6.hc3370-68.iphmx.com: no sender authenticity information available from domain of postmaster@mail.citrix.com) identity=helo; client-ip=162.221.158.21; receiver=esa6.hc3370-68.iphmx.com; envelope-from="roger.pau@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: LbMV5aDsfDCCazj8tWHRvy/7g8xc4I+pHU4Axquw/iUywe8PgdF5AI4xBQEeCghjZxjhJ3IlAa 6J2hLPjKahNKWvwELxzKbEwrZIuKt7rMJYUiW6LZyIsUu+Ms97xlWMcg5y01EgWFLTfMv6OnaG MA5rS03dD393ENvmXi2cBxYXVLHqnZXToflERfes7NnjBZ0AdMqR22kE73gU4H4bQYAUhr17C4 uVHh02Lq8I8YrYgbOZV6yFZ24sMt7qZE1hsHNd/11Tsua/7AaJlh1EUuUoZ+zNuae9m+ojDnA5 SeE= X-SBRS: 2.7 X-MesageID: 13588525 X-Ironport-Server: esa6.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.70,495,1574139600"; d="scan'208";a="13588525" From: Roger Pau Monne To: Date: Fri, 28 Feb 2020 10:33:32 +0100 Message-ID: <20200228093334.36586-1-roger.pau@citrix.com> X-Mailer: git-send-email 2.25.0 MIME-Version: 1.0 Subject: [Xen-devel] [PATCH v4 0/2] x86: scratch cpumask fixes/improvement X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Andrew Cooper , Wei Liu , Jan Beulich , Roger Pau Monne Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Hello, Following series contain yet one more bugfix that removes the usage of the scratch cpumask in send_IPI_mask and the introduction of accessors to get/put the per-CPU scratch cpumask in order to prevent such issues form happening in the future. Thanks, Roger. Roger Pau Monne (2): x86/smp: use a dedicated CPU mask in send_IPI_mask x86: add accessors for scratch cpu mask xen/arch/x86/io_apic.c | 6 ++++-- xen/arch/x86/irq.c | 14 ++++++++++---- xen/arch/x86/mm.c | 40 +++++++++++++++++++++++++++------------ xen/arch/x86/msi.c | 4 +++- xen/arch/x86/smp.c | 29 +++++++++++++++++++++++++++- xen/arch/x86/smpboot.c | 10 ++++++++-- xen/include/asm-x86/smp.h | 14 ++++++++++++++ 7 files changed, 95 insertions(+), 22 deletions(-)