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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7DA3EC433F5 for ; Thu, 27 Jan 2022 09:45:52 +0000 (UTC) Received: from localhost ([::1]:50388 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nD1Lj-0008Mt-Cw for qemu-devel@archiver.kernel.org; Thu, 27 Jan 2022 04:45:51 -0500 Received: from eggs.gnu.org ([209.51.188.92]:46630) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nD1Gt-0002dE-4F for qemu-devel@nongnu.org; Thu, 27 Jan 2022 04:40:51 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:41732) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nD1Gq-00014T-6D for qemu-devel@nongnu.org; Thu, 27 Jan 2022 04:40:49 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1643276447; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references; bh=twYv+ghG2cd+0Acm+uJ2w9g/FGmQ76CIbBwxxJt/aoU=; b=Q+1f4wV3ixHxpagQyTpStvrA1kgwsdhX/7MDw5CmY0nn8oqnWBSTShCnRSki1yVpJVmw1g asgijafwat2ND+efsunAJJue4GE1r+AKTj2Rj4mht/DoIVpRNbkhiOOkGbZt6K18ENejFP daibHuao3lcX7R8SNc/dJKPSNHDB4Z4= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-13-jHHF4cC3NYeoRW2ty5NNSQ-1; Thu, 27 Jan 2022 04:40:46 -0500 X-MC-Unique: jHHF4cC3NYeoRW2ty5NNSQ-1 Received: by mail-wm1-f69.google.com with SMTP id m189-20020a1c26c6000000b003508ba87dfbso453369wmm.7 for ; Thu, 27 Jan 2022 01:40:46 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references :user-agent:reply-to:date:message-id:mime-version; bh=twYv+ghG2cd+0Acm+uJ2w9g/FGmQ76CIbBwxxJt/aoU=; b=WIK3MrqYoKLxdSyUQ7TfT9F6ipONBS5FuqAcYG+yTv4oBs2MwmVcEwBlYYLOn/T5vm eZBYyB/5cu+s05rSMwOXc6ELO5fZU+Zb1DMJYLl+fjEaK0YT22MDPp1u+QjV76JrMxB+ CoJ4mgGN7miT/9Pn3Qck4g2VHEcOEi6PZTezU+B81VHAKFivf7mxG+iv1f0rnZrh75gk GFfsVlfsYSjb4llQtWyofUXzGiLw/UurNRtDa8Dka3punMjweqvqoKFcMI33GuZDmUBs l6KcHADEGJgAoRP+hQEiyCeVsv8yEfkLpJy2iVTKiMKo0SLa0vYroYWweToKGiOVeO9H C1pQ== X-Gm-Message-State: AOAM531EmkMp/JFP2LRSgiH1+sFG+CKR9loWti2Trsqcnj2fYd5EkofL 5H4IbLHt6mwk9/eZtoAAhAkK6HbRJ8ylOIk15ngyIi7ofEnrSCFYGs6Mz45vX624qdaHpC1oJk2 VA51mqefZBnekBPs= X-Received: by 2002:a5d:64a3:: with SMTP id m3mr788647wrp.412.1643276444902; Thu, 27 Jan 2022 01:40:44 -0800 (PST) X-Google-Smtp-Source: ABdhPJwHYOKApK+PgPrUKnNI0lDWcRRZKz/3J2ML0HJOYgy5yyVr249HCaylQaYKVdlIXwCjSWB7aA== X-Received: by 2002:a5d:64a3:: with SMTP id m3mr788637wrp.412.1643276444761; Thu, 27 Jan 2022 01:40:44 -0800 (PST) Received: from localhost ([47.61.17.76]) by smtp.gmail.com with ESMTPSA id y14sm1926570wrd.91.2022.01.27.01.40.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Jan 2022 01:40:44 -0800 (PST) From: Juan Quintela To: Peter Xu Subject: Re: [PATCH RFC 03/15] migration: Enable UFFD_FEATURE_THREAD_ID even without blocktime feat In-Reply-To: <20220119080929.39485-4-peterx@redhat.com> (Peter Xu's message of "Wed, 19 Jan 2022 16:09:17 +0800") References: <20220119080929.39485-1-peterx@redhat.com> <20220119080929.39485-4-peterx@redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) Date: Thu, 27 Jan 2022 10:40:43 +0100 Message-ID: <87tudpldno.fsf@secure.mitica> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=quintela@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain Received-SPF: pass client-ip=170.10.129.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.159, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: quintela@redhat.com Cc: Leonardo Bras Soares Passos , qemu-devel@nongnu.org, "Dr . David Alan Gilbert" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Peter Xu wrote: > This patch allows us to read the tid even without blocktime feature enabled. > It's useful when tracing postcopy fault thread on faulted pages to show thread > id too with the address. > > Remove the comments - they're merely not helpful at all. > > Signed-off-by: Peter Xu Reviewed-by: Juan Quintela queued.