From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D897BC433FF for ; Fri, 9 Aug 2019 13:23:11 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 ACFA72171F for ; Fri, 9 Aug 2019 13:23:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="LQIy7cPN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ACFA72171F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=kmAlruSuGVvo7uUAfySTQYSj7NRdb4Ke0wL31srAVus=; b=LQI y7cPNY74v8aMEMwh4LPuHykuap8L9NioKaG5htexXxWyg6CgAssv6avaoEsq47U1sIh/NYOxZc+rU e4dgYKd9S381gA1iUwx+6uHeoj4ljWvzo9WpLi5CvRl3jBV3EE2SJkaR2cXxzyHTg/fSa7WXSvdZd LJ94LDlTtL/VyRAAog88w1uFd2uMf0sb0gbl8noJq1//MHMKuF/kGkMBkheCSqXna0nRD+0LEnpRi y0fNk+yZgMoBv4v3tCqeJ78zvLyjyG27GhkxbZQFDKuN94263bi/mYW1dtIAz95QZV1RDhGUcHWlR GV8daSht4UKGbUhWAHUXDmEBSS8BbqQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hw4rO-00019Z-TZ; Fri, 09 Aug 2019 13:23:11 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hw4rB-0000yt-3C for linux-arm-kernel@lists.infradead.org; Fri, 09 Aug 2019 13:22:58 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 83A051596; Fri, 9 Aug 2019 06:22:53 -0700 (PDT) Received: from lakrids.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 2CB043F706; Fri, 9 Aug 2019 06:22:52 -0700 (PDT) From: Mark Rutland To: linux-arm-kernel@lists.infradead.org Subject: [PATCHv3 0/6] arm/arm64: SMCCC conduit cleanup Date: Fri, 9 Aug 2019 14:22:39 +0100 Message-Id: <20190809132245.43505-1-mark.rutland@arm.com> X-Mailer: git-send-email 2.11.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190809_062257_182198_C2364546 X-CRM114-Status: UNSURE ( 7.15 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, lorenzo.pieralisi@arm.com, suzuki.poulose@arm.com, marc.zyngier@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, linux@armlinux.org.uk, james.morse@arm.com, robin.murphy@arm.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Currently, the cpu errata code goes digging into PSCI internals to discover the SMCCC conduit, using the (arguably misnamed) PSCI_CONDUIT_* definitions. This lack of abstraction is somewhat unfortunate. Further, the SDEI code has an almost identical set of CONDUIT_* definitions, and the duplication is rather unfortunate. Let's unify things behind a common set of SMCCC_CONDUIT_* definitions, and expose the SMCCCv1.1 conduit via a new helper that hides the PSCI driver internals. Since v1 [1]: * Rebase to the arm64 for-next/core branch, atop of SSBD patches * Fold in acks Since v2 [2]: * Rebase to v5.3-rc3 * Fix up arm spectre-v2 code * Drop acks where significant changes have been made Mark. [1] https://lkml.kernel.org/r/20180503170330.5591-1-mark.rutland@arm.com [2] https://lkml.kernel.org/r/20180531173223.9668-1-mark.rutland@arm.com Mark Rutland (6): arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit() arm64: errata: use arm_smccc_1_1_get_conduit() arm: spectre-v2: use arm_smccc_1_1_get_conduit() firmware/psci: use common SMCCC_CONDUIT_* firmware: arm_sdei: use common SMCCC_CONDUIT_* smccc: make 1.1 macros value-returning arch/arm/mm/proc-v7-bugs.c | 22 ++++++-------- arch/arm64/kernel/cpu_errata.c | 61 ++++++++++++++++----------------------- arch/arm64/kernel/sdei.c | 3 +- arch/arm64/kvm/hyp/switch.c | 4 +-- drivers/firmware/arm_sdei.c | 12 ++++---- drivers/firmware/psci/psci.c | 24 ++++++++++------ include/linux/arm-smccc.h | 65 ++++++++++++++++++++++++------------------ include/linux/arm_sdei.h | 6 ---- include/linux/psci.h | 9 ++---- 9 files changed, 99 insertions(+), 107 deletions(-) -- 2.11.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel