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=-6.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 A9DBCC2D0A3 for ; Mon, 2 Nov 2020 19:16:24 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 1435522275 for ; Mon, 2 Nov 2020 19:16:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="F6G5LI7T" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1435522275 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id AB9154B602; Mon, 2 Nov 2020 14:16:23 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@kernel.org Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id UopYQIP8-bOF; Mon, 2 Nov 2020 14:16:22 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 1A4614B5C4; Mon, 2 Nov 2020 14:16:21 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id EE0DD4B55F for ; Mon, 2 Nov 2020 14:16:18 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id AM-e8mkdD6Jx for ; Mon, 2 Nov 2020 14:16:17 -0500 (EST) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 958254B4E8 for ; Mon, 2 Nov 2020 14:16:17 -0500 (EST) Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8853422280; Mon, 2 Nov 2020 19:16:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604344576; bh=KaBxJjv3YFcRADE2Fb61WsHODS72mdq+Zd3tO6gwFuY=; h=From:To:Cc:Subject:Date:From; b=F6G5LI7TVR4qwUpzdpSGCqSMwzpczvA+k2UyTbrKWn/WcKbBt3sCELDKAvVuQ32bD lFE/wIiB6Y9eKt3htBkEB+ex7jCuzDzQOSsupiyzo5K0Rghgg9vjcFbZ8dxmrp1+bK EQ8wn9YHhNsPfSWHoe8SvEUfyiEKrMWo0bAq9I5Y= Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1kZfJN-006nxn-6F; Mon, 02 Nov 2020 19:16:13 +0000 From: Marc Zyngier To: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Subject: [PATCH 0/8] KVM: arm64: Kill the copro array Date: Mon, 2 Nov 2020 19:16:01 +0000 Message-Id: <20201102191609.265711-1-maz@kernel.org> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Cc: kernel-team@android.com X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Since the very beginning of KVM/arm64, we represented the system register file using a dual view: on one side the AArch64 state, on the other a bizarre mapping of the AArch64 state onto the Aarch64 registers. It was nice at the time as it allowed us to share some code with the 32bit port, and to come up with some creative bugs. But is was always a hack, and we are now in a position to simplify the whole thing. This series goes through the whole of the AArch32 cp14/15 register file, and point each of them directly at their 64bit equivalent. For the few cases where two 32bit registers share a 64bit counterpart, we define which half of the register they map. Finally, we drop a large number of definitions and state that have become useless. This series applies on top of the exception injection rework previously posted [1]. M. [1] https://lore.kernel.org/r/20201102164045.264512-1-maz@kernel.org Marc Zyngier (8): KVM: arm64: Move AArch32 exceptions over to AArch64 sysregs KVM: arm64: Add AArch32 mapping annotation KVM: arm64: Map AArch32 cp15 register to AArch64 sysregs KVM: arm64: Map AArch32 cp14 register to AArch64 sysregs KVM: arm64: Drop is_32bit trap attribute KVM: arm64: Drop is_aarch32 trap attribute KVM: arm64: Drop legacy copro shadow register KVM: arm64: Drop kvm_coproc.h arch/arm64/include/asm/kvm_coproc.h | 38 ----- arch/arm64/include/asm/kvm_host.h | 73 +++------ arch/arm64/kvm/arm.c | 3 +- arch/arm64/kvm/guest.c | 1 - arch/arm64/kvm/handle_exit.c | 1 - arch/arm64/kvm/inject_fault.c | 62 +++----- arch/arm64/kvm/reset.c | 1 - arch/arm64/kvm/sys_regs.c | 231 ++++++++++++---------------- arch/arm64/kvm/sys_regs.h | 9 +- arch/arm64/kvm/vgic-sys-reg-v3.c | 4 - 10 files changed, 146 insertions(+), 277 deletions(-) delete mode 100644 arch/arm64/include/asm/kvm_coproc.h -- 2.28.0 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm