From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3C52783A14 for ; Sat, 28 Mar 2026 06:02:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774677724; cv=none; b=XqJgnrPeJaUUqXsZ8iQT+lxpEFAv8VWknbyt9Wn74PlKsfP0Xp4EraHVaHzL9i9ptYib/Mf/lfh6Extn9hOspqq1Z9KLZHf2TAQQX3Lc93ufBXX4juOE08tWm1VOfl7Wc3AnMdDJnZQ4M/L0TLDCoIDj+MKjeRBAW2CS+/DJaos= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774677724; c=relaxed/simple; bh=HQvREEeEfU0eREdXkyLooYyQCzQdvXnGvKCNU5uCkXI=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=i/qMufzrBaZ7kYW6y30ctAWB4nkL1jeagYza75p738ndePq+Dk8LR0QB0fd+fwmvlD8RyISA1ZMCZY2ssGLZ3TA6NpWpCAv7ysv+toJ09pofdWswPVK0P560AYRJNBkEMOyZyKoyDNRBP5Nrld+eSeQbY6sCTUuyd7wv1JvDnVc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=ZuDggVp9; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ZuDggVp9" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1774677722; h=from:from: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=LOl67eVYjM6XwA+2aoAT/RR6VujgC2WWk7a6aW7H6AI=; b=ZuDggVp99Z7LgOLNPmqXCggHXhuT+gJmUx7Z8UuQ13Yqv6Qo5vyECXdOTIJJ9OaaU+9tvr drzVUu0MDcFTcg+CNdbJIx4HGp2Hu6IqyHliUsf9C3LIepB9ygojUX3Dvu+RGjERrsRQVa OeQ6t8QerFAd2oBktPRfDX5/Jr5WdWg= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-461-QK3TLCZJNl6B8duKTuTrnw-1; Sat, 28 Mar 2026 02:01:56 -0400 X-MC-Unique: QK3TLCZJNl6B8duKTuTrnw-1 X-Mimecast-MFC-AGG-ID: QK3TLCZJNl6B8duKTuTrnw_1774677715 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id AA6AC19560BB; Sat, 28 Mar 2026 06:01:54 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.45.242.6]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 803171955D84; Sat, 28 Mar 2026 06:01:53 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 291A021E6937; Sat, 28 Mar 2026 07:01:51 +0100 (CET) From: Markus Armbruster To: Alireza Sanaee Cc: , , , , , , , , , , , , Subject: Re: [PATCH 9/9] hw/cxl: Add QMP status query for dynamic-capacity extent release In-Reply-To: <20260327151811.00005564.alireza.sanaee@huawei.com> (Alireza Sanaee's message of "Fri, 27 Mar 2026 15:18:11 +0000") References: <20260325184259.366-1-alireza.sanaee@huawei.com> <20260325184259.366-10-alireza.sanaee@huawei.com> <87mrzuei5f.fsf@pond.sub.org> <20260327151811.00005564.alireza.sanaee@huawei.com> Date: Sat, 28 Mar 2026 07:01:51 +0100 Message-ID: <87zf3s1ohc.fsf@pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Mimecast-MFC-PROC-ID: QVU8AEx7gJzi3SqCzZs5WKwBworqlRJd_LNT6LBApyY_1774677715 X-Mimecast-Originator: redhat.com Content-Type: text/plain Alireza Sanaee writes: > On Thu, 26 Mar 2026 16:15:40 +0100 > Markus Armbruster wrote: > > Hi Markus, > > This commit adds a test command to check whether an extent (a piece of memory region) has been released or not by the guest. > The process of removal is highly asynchronous, that's why I needed to add a new command to check it. > > I would be happy to drop this patch, as this is extra. So your motivation for adding the command is "just" testing. Correct? Can you think of other uses? In particular, would a management application need this query to monitor removal? The description of feature @unstable may need to be adjusted for the answers we work out here. > > Thanks, > Ali