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=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 A1227C04FF3 for ; Mon, 24 May 2021 17:10:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7B6E561404 for ; Mon, 24 May 2021 17:10:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233238AbhEXRMR (ORCPT ); Mon, 24 May 2021 13:12:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40982 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232543AbhEXRMQ (ORCPT ); Mon, 24 May 2021 13:12:16 -0400 Received: from mail-oo1-xc29.google.com (mail-oo1-xc29.google.com [IPv6:2607:f8b0:4864:20::c29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 477F0C061574 for ; Mon, 24 May 2021 10:10:47 -0700 (PDT) Received: by mail-oo1-xc29.google.com with SMTP id t22-20020a4ad0b60000b029020fe239e804so3698124oor.4 for ; Mon, 24 May 2021 10:10:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=A+CEnHoVhMFI7S/89O2vIMfE5DY0Ad1t+m9PmgMoGGs=; b=dWD4kcSZmiLJTwiAoL4BD/u0afuWitc/7bS9+2ryn1Xaj17+d+bzdcIjOGyUDqhKvz Dc3VGYxRg7A++q+umXQozDoKj+FY1cRJfnk65mJkoGlIRtIXKk7xqaglsVbofXL2dmyc 4ISb9jM1oqHfssosm7uBv+4ARp3dCTU3Ikua6U/3EGflu4uQo22jGDJXHQ78MJwxS6Td Q3zIr3lTbJomf8EtjiZCkIXJcbpWDlFvsSyr8iDUwElfA7JIVBsEaX98ckiHhFiFirVQ jU1kDAmf11vicMDk1oLXRYGWqVolWO0y5yvp8PI7L/I1Ts99LBBGP2h5pd2tiGxqAiPh Pvww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=A+CEnHoVhMFI7S/89O2vIMfE5DY0Ad1t+m9PmgMoGGs=; b=IOsI+Dp3rkwaz+YqcDVpyljNupCH8ltvtVDI4Sud6Eoi0K8pCEXJ77ehj4Mzmckrkd oIfYqMeT1f/IT6Bpgkl3AiD/XLu93UeVNt2NcZcE8PXHr7D9+4ih/t3A+GFEk/Qt1PwW +3oMM5KQlZNnzNTxLqI/t3eLI1XrsttWSChy3uU7DaFTWwetCmucIHd83RodwmQYaCMZ 3KKw7Kha1zV8vjY118GS0DLrV6AoF4PE1i3hx0vOqgYCmObm63Z8oqF4SnL5qgYPGFx4 j9YMxYZQyKZXZ3GYBjE5EHNd0nC4NezutImE77ROqzrwhhS1byaJyQG/3vDhtnEbNXzk HHYA== X-Gm-Message-State: AOAM533vjTxKBIEa1940IjelV/nqjlzOWxQUJWI7nQsOIcjq4qP3Lwkl hVm3e6AjW4KC6DCW6eUGiTeoBKy9XQ5VkrUacQijgA== X-Google-Smtp-Source: ABdhPJwEWvsiJOTv8VOetYtHytgMjPflZFU6jZmQvQ9qDrbcDRRSefz4b8gUvCEkPbaeThZcceFM/f5V+eTaa3Wc/H8= X-Received: by 2002:a05:6820:100a:: with SMTP id v10mr18750741oor.55.1621876246130; Mon, 24 May 2021 10:10:46 -0700 (PDT) MIME-Version: 1.0 References: <20210520230339.267445-1-jmattson@google.com> <20210520230339.267445-3-jmattson@google.com> <10d51d46-8b60-e147-c590-62a68f26f616@redhat.com> In-Reply-To: From: Jim Mattson Date: Mon, 24 May 2021 10:10:34 -0700 Message-ID: Subject: Re: [PATCH 02/12] KVM: x86: Wake up a vCPU when kvm_check_nested_events fails To: Paolo Bonzini Cc: kvm list , Oliver Upton Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Mon, May 24, 2021 at 9:43 AM Paolo Bonzini wrote: > > On 24/05/21 18:39, Jim Mattson wrote: > > Without this patch, the accompanying selftest never wakes up from HLT > > in L2. If you can get the selftest to work without this patch, feel > > free to drop it. > > Ok, that's a pretty good reason. I'll try to debug it. > Note that it works (without this patch) if you change the HLT to an infinite loop.