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 mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92B23C433F5 for ; Tue, 8 Mar 2022 15:33:09 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id F0F5D49EC5; Tue, 8 Mar 2022 10:33:08 -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=@google.com 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 9sRprM9093Nn; Tue, 8 Mar 2022 10:33:07 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id B370449EB1; Tue, 8 Mar 2022 10:33:07 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 5AEBC49EB1 for ; Tue, 8 Mar 2022 10:33:06 -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 o+VZceiYVkPS for ; Tue, 8 Mar 2022 10:33:05 -0500 (EST) Received: from mail-wm1-f74.google.com (mail-wm1-f74.google.com [209.85.128.74]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 2BECB49E08 for ; Tue, 8 Mar 2022 10:33:05 -0500 (EST) Received: by mail-wm1-f74.google.com with SMTP id l13-20020a7bcf0d000000b0038982c6bf8fso1248883wmg.7 for ; Tue, 08 Mar 2022 07:33:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:message-id:mime-version:subject:from:to:cc; bh=pFCZMIKsmv1NgfuYif6jC89cFJGtwVMy/ZQFUs6rUg4=; b=Og4X5EgvD6ZGnF9GYC/nSoXWWIbI4ubeynG4LVZBHsNwEt4N7WDD3JAnr/aGH1N+Or 20btxSIx1YnatFPfC1Nb43bQhN9YFnTy/nFjuM+SebBb+LFTPUFDfJdP5U8WIqju5nF/ eCHZ7ylSKeqIxFi+A94QL848mgzxpx+aoIa3tkNNJQxmKmDy+znXZOfcJel212hss7F/ Fi3B2zqr3X48oXAcFKaFp0QqhZxPuEVe0+6/LEV6BQoE4DDIhsKkIlFiTMP1WP7eVC3O 6oBI+ym/FWJ8MVxOhuj0USkRJw4fId7JXtvGetAdqEIkeLvpiZtFiHhV/+ObaTg1fyKA 9NIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=pFCZMIKsmv1NgfuYif6jC89cFJGtwVMy/ZQFUs6rUg4=; b=XXKtf2ryVEfL6w6IaeFdCBX8tM+yfFEGbyTcg8JYV4yZ7ed7kXx+cpvgi+5Et1kvfv UydjbcDVrlgicWTjV3bg+YbU4J1GCHM5S1FMmVX9CppVPhwxDrA2aDW2se7PD5UGanu0 M2eVZXuFCi5ImTDK8O3z3NxzCdyjjxChGD7aaQjg/F1/6TNJ6kWVfoBiLX5GugZcwEfq 6DhAsJJ1mobtP6ygmMSj865lLqkHhfIN59Ipom9amimzqR9o65uMj2uK3ydt0jD5Jrnk a5nuwRaedyXBFdpsU4rBFIYy3D5Kh7ZkgQFvuRTWIrfHBxXCczcBB9Jo6BI7sWba3QPL CDtA== X-Gm-Message-State: AOAM532DH2kB8uFPUwx5N5Itx4m+7uRhYQrDzOZVUsAvAy6IRGR8Slff CsHjwG0utGBqjf3pV2DCC6+yme+/KCFz0gJqpmU= X-Google-Smtp-Source: ABdhPJx+g3OUSF7ALEGrRok8o/uMoGiAUjj9sAb9rq2nfBww3UXx3vC6KKRHWk18QkFJyTvY1IYcyHhcvw2iFZPUTJU= X-Received: from sene.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:27c4]) (user=sebastianene job=sendgmr) by 2002:a05:600c:35cf:b0:389:b5f1:ce68 with SMTP id r15-20020a05600c35cf00b00389b5f1ce68mr4042505wmq.149.1646753584000; Tue, 08 Mar 2022 07:33:04 -0800 (PST) Date: Tue, 8 Mar 2022 15:32:25 +0000 Message-Id: <20220308153227.2238533-1-sebastianene@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.35.1.616.g0bdcbb4464-goog Subject: [PATCH kvmtool v9 0/3] aarch64: Add stolen time support From: Sebastian Ene To: kvm@vger.kernel.org Cc: maz@kernel.org, will@kernel.org, kvmarm@lists.cs.columbia.edu 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 This series adds support for stolen time functionality. Patch #1 moves the vCPU structure initialisation before the target->init() call to allow early access to the kvm structure from the vCPU during target->init(). Patch #2 modifies the memory layout in arm-common/kvm-arch.h and adds a new MMIO device PVTIME after the RTC region. A new flag is added in kvm-config.h that will be used to control [enable/disable] the pvtime functionality. Stolen time is enabled by default when the host supports KVM_CAP_STEAL_TIME. Patch #3 adds a new command line argument to disable the stolen time functionality(by default is enabled). Changelog since v8: - fix an error caused by kvm_cpu__teardown_pvtime() not beeing defined for aarch32 - cleanup the pvtime setup by removing the flag 'is_failed_cfg' and drop the 'pvtime_data_priv' definition - add missing Review-by tag The patch has been tested on qemu-system-aarch64. Sebastian Ene (3): aarch64: Populate the vCPU struct before target->init() aarch64: Add stolen time support Add --no-pvtime command line argument Makefile | 1 + arm/aarch32/include/kvm/kvm-cpu-arch.h | 5 ++ arm/aarch64/arm-cpu.c | 2 +- arm/aarch64/include/kvm/kvm-cpu-arch.h | 2 + arm/aarch64/pvtime.c | 96 ++++++++++++++++++++++++++ arm/include/arm-common/kvm-arch.h | 6 +- arm/kvm-cpu.c | 15 ++-- builtin-run.c | 2 + include/kvm/kvm-config.h | 1 + 9 files changed, 121 insertions(+), 9 deletions(-) create mode 100644 arm/aarch64/pvtime.c -- 2.35.1.616.g0bdcbb4464-goog _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm