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Tue, 13 Apr 2021 05:17:16 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-334-GIkCP85YNe-WtcwdVqfp5g-1; Tue, 13 Apr 2021 05:17:04 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7DE181006C84; Tue, 13 Apr 2021 09:17:03 +0000 (UTC) Received: from t480s.redhat.com (ovpn-115-69.ams2.redhat.com [10.36.115.69]) by smtp.corp.redhat.com (Postfix) with ESMTP id F38581001B2C; Tue, 13 Apr 2021 09:16:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1618305426; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VdkM52McsQ2exZ3EWX5fDMK2EpS+92SjdjDEHr6zF0U=; b=BWCUElOMn0pwIcuJF5RNr4pN6YLyrShdbXvXBO1Gs1jHnZKTGi7A4ZI1JowvbSTb3SG/FE KCuT761ourw41lKRovJ9G+Dicqqkb6M6vYIjo3SkS4G7vKRw8gvwgQCYwjrAVnvt05SA4+ kV6JSmFCeUeZ6hq7Bi1RrX5n1b2HuzA= X-MC-Unique: GIkCP85YNe-WtcwdVqfp5g-1 From: David Hildenbrand To: qemu-devel@nongnu.org Subject: [PATCH v5 11/14] qmp: Include "share" property of memory backends Date: Tue, 13 Apr 2021 11:14:18 +0200 Message-Id: <20210413091421.7707-12-david@redhat.com> In-Reply-To: <20210413091421.7707-1-david@redhat.com> References: <20210413091421.7707-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=david@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=david@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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_H4=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marcel Apfelbaum , Murilo Opsfelder Araujo , Eduardo Habkost , "Michael S. Tsirkin" , David Hildenbrand , Richard Henderson , "Dr. David Alan Gilbert" , Peter Xu , Greg Kurz , Stefan Hajnoczi , Igor Mammedov , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Markus Armbruster Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Let's include the property, which can be helpful when debugging, for example, to spot misuse of MAP_PRIVATE which can result in some ugly corner cases (e.g., double-memory consumption on shmem). Use the same description we also use for describing the property. Cc: Eric Blake Cc: Markus Armbruster Cc: Igor Mammedov Signed-off-by: David Hildenbrand Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/core/machine-qmp-cmds.c | 1 + qapi/machine.json | 3 +++ 2 files changed, 4 insertions(+) diff --git a/hw/core/machine-qmp-cmds.c b/hw/core/machine-qmp-cmds.c index 68a942595a..d41db5b93b 100644 --- a/hw/core/machine-qmp-cmds.c +++ b/hw/core/machine-qmp-cmds.c @@ -174,6 +174,7 @@ static int query_memdev(Object *obj, void *opaque) m->merge =3D object_property_get_bool(obj, "merge", &error_abort); m->dump =3D object_property_get_bool(obj, "dump", &error_abort); m->prealloc =3D object_property_get_bool(obj, "prealloc", &error_a= bort); + m->share =3D object_property_get_bool(obj, "share", &error_abort); m->policy =3D object_property_get_enum(obj, "policy", "HostMemPoli= cy", &error_abort); host_nodes =3D object_property_get_qobject(obj, diff --git a/qapi/machine.json b/qapi/machine.json index 758b901185..32650bfe9e 100644 --- a/qapi/machine.json +++ b/qapi/machine.json @@ -796,6 +796,8 @@ # # @prealloc: whether memory was preallocated # +# @share: whether memory is private to QEMU or shared (since 6.1) +# # @host-nodes: host nodes for its memory policy # # @policy: memory policy of memory backend @@ -809,6 +811,7 @@ 'merge': 'bool', 'dump': 'bool', 'prealloc': 'bool', + 'share': 'bool', 'host-nodes': ['uint16'], 'policy': 'HostMemPolicy' }} =20 --=20 2.30.2