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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1479AC433EF for ; Fri, 15 Oct 2021 09:10:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E8B03611C3 for ; Fri, 15 Oct 2021 09:10:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236895AbhJOJMV (ORCPT ); Fri, 15 Oct 2021 05:12:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:59058 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230471AbhJOJMU (ORCPT ); Fri, 15 Oct 2021 05:12:20 -0400 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 5F21961108; Fri, 15 Oct 2021 09:10:14 +0000 (UTC) Received: from sofa.misterjones.org ([185.219.108.64] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1mbJCT-00GvHX-V6; Fri, 15 Oct 2021 10:10:12 +0100 From: Marc Zyngier To: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: James Morse , Suzuki K Poulose , Alexandru Elisei , Quentin Perret , Will Deacon , kernel-team@android.com Subject: [PATCH 0/5] KVM: arm64: Reorganise vcpu first run Date: Fri, 15 Oct 2021 10:08:17 +0100 Message-Id: <20211015090822.2994920-1-maz@kernel.org> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, james.morse@arm.com, suzuki.poulose@arm.com, alexandru.elisei@arm.com, qperret@google.com, will@kernel.org, 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 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org KVM/arm64 relies heavily on a bunch of things to be done on the first run of the vcpu. We also do a bunch of things on PID change. It turns out that these two things are pretty similar (the first PID change is also the first run). This small series aims at simplifying all that, and to get rid of the vcpu->arch.has_run_once state. Marc Zyngier (5): KVM: arm64: Move SVE state mapping at HYP to finalize-time KVM: arm64: Move kvm_arch_vcpu_run_pid_change() out of line KVM: arm64: Merge kvm_arch_vcpu_run_pid_change() and kvm_vcpu_first_run_init() KVM: arm64: Restructure the point where has_run_once is advertised KVM: arm64: Drop vcpu->arch.has_run_once for vcpu->pid arch/arm64/include/asm/kvm_host.h | 12 +++------ arch/arm64/kvm/arm.c | 43 ++++++++++++++++++------------- arch/arm64/kvm/fpsimd.c | 11 -------- arch/arm64/kvm/reset.c | 11 +++++++- arch/arm64/kvm/vgic/vgic-init.c | 2 +- 5 files changed, 39 insertions(+), 40 deletions(-) -- 2.30.2 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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07C7EC433EF for ; Fri, 15 Oct 2021 09:10:20 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 80FCE61151 for ; Fri, 15 Oct 2021 09:10:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 80FCE61151 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 230024B16C; Fri, 15 Oct 2021 05:10:19 -0400 (EDT) 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 kgbYtfjQCBet; Fri, 15 Oct 2021 05:10:18 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 2F0934B137; Fri, 15 Oct 2021 05:10:18 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 0F75A4B139 for ; Fri, 15 Oct 2021 05:10:17 -0400 (EDT) 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 UFypdlXL2VPW for ; Fri, 15 Oct 2021 05:10:16 -0400 (EDT) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 2E4A14B0C5 for ; Fri, 15 Oct 2021 05:10:16 -0400 (EDT) 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 5F21961108; Fri, 15 Oct 2021 09:10:14 +0000 (UTC) Received: from sofa.misterjones.org ([185.219.108.64] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1mbJCT-00GvHX-V6; Fri, 15 Oct 2021 10:10:12 +0100 From: Marc Zyngier To: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 0/5] KVM: arm64: Reorganise vcpu first run Date: Fri, 15 Oct 2021 10:08:17 +0100 Message-Id: <20211015090822.2994920-1-maz@kernel.org> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, james.morse@arm.com, suzuki.poulose@arm.com, alexandru.elisei@arm.com, qperret@google.com, will@kernel.org, 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: Will Deacon , 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 KVM/arm64 relies heavily on a bunch of things to be done on the first run of the vcpu. We also do a bunch of things on PID change. It turns out that these two things are pretty similar (the first PID change is also the first run). This small series aims at simplifying all that, and to get rid of the vcpu->arch.has_run_once state. Marc Zyngier (5): KVM: arm64: Move SVE state mapping at HYP to finalize-time KVM: arm64: Move kvm_arch_vcpu_run_pid_change() out of line KVM: arm64: Merge kvm_arch_vcpu_run_pid_change() and kvm_vcpu_first_run_init() KVM: arm64: Restructure the point where has_run_once is advertised KVM: arm64: Drop vcpu->arch.has_run_once for vcpu->pid arch/arm64/include/asm/kvm_host.h | 12 +++------ arch/arm64/kvm/arm.c | 43 ++++++++++++++++++------------- arch/arm64/kvm/fpsimd.c | 11 -------- arch/arm64/kvm/reset.c | 11 +++++++- arch/arm64/kvm/vgic/vgic-init.c | 2 +- 5 files changed, 39 insertions(+), 40 deletions(-) -- 2.30.2 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm 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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B0C49C433F5 for ; Fri, 15 Oct 2021 09:25:59 +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 7F2906101D for ; Fri, 15 Oct 2021 09:25:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 7F2906101D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :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=Ne5WsSjyXeb6yQj8f19AEje+IZKXQ0Od2xBL4Epl3KM=; b=Tw6xraJTC3uxAC b4iVuIchSuF3VBpXOv/0RVgLU3pIbc2+YRbdh6vXdKxUA/VhPvZeJBPD/ehs2iDsBDrnyPBA0OV8s Nb1MTfFEbVB9+W8tL4ErldyB5DIydxkduIGXwfenU5gVzhjF0k7if2XZpRpFz1TVfJaq6+FhJLaTN NrLy1+ILZ+ZEf0q5klJ3PdbQWEmb5lY34b5FlFn0+HlXa90SXqULzNULlmPmcxQfr5GL6VNmJUxW1 FS96HulQfHJhDQwmPNTq8EnC55G3pVVINKS/S52H1lhECLT1aPNHGcYY2eL3BaSeaCeYaLIoDm4Tt DxpYoUioF+yaE3Dm+AXg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbJRx-006Fvh-Om; Fri, 15 Oct 2021 09:24:26 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbJEF-006B8v-Ck for linux-arm-kernel@lists.infradead.org; Fri, 15 Oct 2021 09:10:18 +0000 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 5F21961108; Fri, 15 Oct 2021 09:10:14 +0000 (UTC) Received: from sofa.misterjones.org ([185.219.108.64] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1mbJCT-00GvHX-V6; Fri, 15 Oct 2021 10:10:12 +0100 From: Marc Zyngier To: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: James Morse , Suzuki K Poulose , Alexandru Elisei , Quentin Perret , Will Deacon , kernel-team@android.com Subject: [PATCH 0/5] KVM: arm64: Reorganise vcpu first run Date: Fri, 15 Oct 2021 10:08:17 +0100 Message-Id: <20211015090822.2994920-1-maz@kernel.org> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, james.morse@arm.com, suzuki.poulose@arm.com, alexandru.elisei@arm.com, qperret@google.com, will@kernel.org, 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211015_021015_501600_956D6D01 X-CRM114-Status: GOOD ( 12.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org KVM/arm64 relies heavily on a bunch of things to be done on the first run of the vcpu. We also do a bunch of things on PID change. It turns out that these two things are pretty similar (the first PID change is also the first run). This small series aims at simplifying all that, and to get rid of the vcpu->arch.has_run_once state. Marc Zyngier (5): KVM: arm64: Move SVE state mapping at HYP to finalize-time KVM: arm64: Move kvm_arch_vcpu_run_pid_change() out of line KVM: arm64: Merge kvm_arch_vcpu_run_pid_change() and kvm_vcpu_first_run_init() KVM: arm64: Restructure the point where has_run_once is advertised KVM: arm64: Drop vcpu->arch.has_run_once for vcpu->pid arch/arm64/include/asm/kvm_host.h | 12 +++------ arch/arm64/kvm/arm.c | 43 ++++++++++++++++++------------- arch/arm64/kvm/fpsimd.c | 11 -------- arch/arm64/kvm/reset.c | 11 +++++++- arch/arm64/kvm/vgic/vgic-init.c | 2 +- 5 files changed, 39 insertions(+), 40 deletions(-) -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel