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=-21.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=unavailable 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 21850C433B4 for ; Mon, 12 Apr 2021 22:20:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0792261355 for ; Mon, 12 Apr 2021 22:20:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343668AbhDLWVO (ORCPT ); Mon, 12 Apr 2021 18:21:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343666AbhDLWVN (ORCPT ); Mon, 12 Apr 2021 18:21:13 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BB8AFC061756 for ; Mon, 12 Apr 2021 15:20:54 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id i6so14147268ybk.2 for ; Mon, 12 Apr 2021 15:20:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=reply-to:date:message-id:mime-version:subject:from:to:cc; bh=FmBbxZ043goYbQIFSTxJ5QFyMNro4zr+9usEl2+6KDo=; b=hebwHaNs+u2Qy3E5HnHs5sMbimi6gtUB5qGU2iwPTwr39qciShPjHjm2OjWEBnJv/H 2Z5lGaeZ/CxTwz0GnZt4uyBMidroUpcfjHNxD54TFfmT7toDqzikl9Kp3K708NdTulaq W4OEOj+1tePlpcyup7wK3zdUH2C+ypfZ8CSjfzyfsQWY8Cp3lkXJ7quWGdr9OyKdluhS sAGgDl84wKM4pJWIvxCUz5iIFkXGbBy2e4pKVc/RfErxIS8M7GpgnWrctmIW06X5AoFQ r2LHB4gYWVJVQ7b3s/WBQz5yD9mZ15LQChGVrPOYofyYgxHHbWTzu0E6ydSR4VVS8EYU /c4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:reply-to:date:message-id:mime-version:subject :from:to:cc; bh=FmBbxZ043goYbQIFSTxJ5QFyMNro4zr+9usEl2+6KDo=; b=XgP9BpgFyd/QMfcw8IjSXa+zJyPLBqY6QOFCs1224V1JMaaJWt5+7qalpuVmP6/vvf 8SAEHdFVySuJRQZozMLMEz8P135Dla5h0YPHKVipqOFgzV6+6nRDeHib04Hz+7INMYOq gMGo9HezEORDfQQrsAMitvl4iIQ9hk6KDkUYMOxe3JNcYyr9eue1opNRkZKEaizDo4p3 BdPaeuOvHa0lHZEmhFZDyIMnDivSMbIY6SpKleh3I1e3OP8ZHTMkL7mYspHoxRc6aNky W8Rpui/R6Rz+XlI3p0Hov5xptqeuaLTnvMB4w7VllBtYnfdf+vSpPlj+ODz8VXvQLoQB Jjcg== X-Gm-Message-State: AOAM530Lhsar+4KhcV1IjJeMwPTPkBSiFddHo9jRV5rjjkdG5V/21QWM BBa6/Di7wNPAWf2DVnGjSQuyatBoKEg= X-Google-Smtp-Source: ABdhPJxLzjwHbeMX6Sc39ErUuoMnIIuqepvQr0GA8yDCc1C9yqhYjoovvhYRQv4GKHvI5QOlH8N/sWIX7t0= X-Received: from seanjc798194.pdx.corp.google.com ([2620:15c:f:10:f031:9c1c:56c7:c3bf]) (user=seanjc job=sendgmr) by 2002:a25:25d0:: with SMTP id l199mr27919439ybl.256.1618266053917; Mon, 12 Apr 2021 15:20:53 -0700 (PDT) Reply-To: Sean Christopherson Date: Mon, 12 Apr 2021 15:20:47 -0700 Message-Id: <20210412222050.876100-1-seanjc@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.31.1.295.g9ea45b61b8-goog Subject: [PATCH 0/3] KVM: Fixes and a cleanup for coalesced MMIO From: Sean Christopherson To: Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Sean Christopherson , Hao Sun Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix two bugs that are exposed if unregistered a device on an I/O bus fails due to OOM. Tack on opportunistic cleanup in the related code. Sean Christopherson (3): KVM: Destroy I/O bus devices on unregister failure _after_ sync'ing SRCU KVM: Stop looking for coalesced MMIO zones if the bus is destroyed KVM: Add proper lockdep assertion in I/O bus unregister include/linux/kvm_host.h | 4 ++-- virt/kvm/coalesced_mmio.c | 19 +++++++++++++++++-- virt/kvm/kvm_main.c | 26 ++++++++++++++++---------- 3 files changed, 35 insertions(+), 14 deletions(-) -- 2.31.1.295.g9ea45b61b8-goog