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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 E6517CD98E2 for ; Wed, 17 Jun 2026 14:34:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 961EF10EFDF; Wed, 17 Jun 2026 14:34:45 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=collabora.com header.i=@collabora.com header.b="VoITLHPQ"; dkim-atps=neutral Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) by gabe.freedesktop.org (Postfix) with ESMTPS id B75A510EFE5 for ; Wed, 17 Jun 2026 14:34:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1781706847; bh=kSXhe+LTEd5mX4NfA1+VFV1XW3Zu8z7/zId+UVeokls=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=VoITLHPQ+cXFXX+WrUntvutGR5DUZq3Jw0AiNFAFjkOqxAljm+koEvUYP5mRm8Ihr A9EWQgf/zBy3WggWFxhQomwO3xxb2ZfiiHeCPw7iRIiQFfOmwwcaL7k+NiTrjlm9EQ zuI5GgdzSa7mCiwuKD4aJnbuF8xdPJMjfI8O62LgyLqUzLHlbyxdNmTSO1zLDVgU5C RlqVLlqPt4I2RdoKXdh0erB3HqGLpz1SEbngsLjNuuBiz79+Ff/Y8ezmRYbr4Su02V PoCRFxJNt1DesdI6JfcoFA2nsRtRnBYML1+TpVd2Z4FLtaQidCBTCD9njkYEHvja29 ny4yxoz3pIIEw== Received: from fedora-2.home (unknown [100.64.0.11]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bbrezillon) by bali.collaboradmins.com (Postfix) with ESMTPSA id 058DB17E05DE; Wed, 17 Jun 2026 16:34:06 +0200 (CEST) Date: Wed, 17 Jun 2026 16:34:03 +0200 From: Boris Brezillon To: =?UTF-8?B?QWRyacOhbg==?= Larumbe Cc: Daniel Almeida , Petri Latvala , Arkadiusz Hiler , Kamil Konieczny , Juha-Pekka Heikkila , Bhanuprakash Modem , Steven Price , Liviu Dudau , igt-dev@lists.freedesktop.org, kernel@collabora.com Subject: Re: [PATCH 2/2] tests/panthor/panthor_vm: Add vm_bind intersect-with-kbo-range test Message-ID: <20260617163403.195e4893@fedora-2.home> In-Reply-To: <20260616-panthor-vmbind-checkaddr-v1-2-f35b1b067f7c@collabora.com> References: <20260616-panthor-vmbind-checkaddr-v1-0-f35b1b067f7c@collabora.com> <20260616-panthor-vmbind-checkaddr-v1-2-f35b1b067f7c@collabora.com> Organization: Collabora X-Mailer: Claws Mail 4.4.0 (GTK 3.24.52; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" On Tue, 16 Jun 2026 16:43:23 +0100 Adri=C3=A1n Larumbe wrote: > Users of vm_bind ioctl() should never specify a VA region that intersects > with that reserved for internal kernel BOs. >=20 > Signed-off-by: Adri=C3=A1n Larumbe Reviewed-by: Boris Brezillon > --- > tests/panthor/panthor_vm.c | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) >=20 > diff --git a/tests/panthor/panthor_vm.c b/tests/panthor/panthor_vm.c > index 92b105b9e83a..9548dbcbaa45 100644 > --- a/tests/panthor/panthor_vm.c > +++ b/tests/panthor/panthor_vm.c > @@ -270,6 +270,23 @@ int igt_main() { > igt_panthor_vm_destroy(fd, vm_id, 0); > } > =20 > + igt_describe("Perform a vm_bind in the VM's kernel BOs reserved range"); > + igt_subtest("vm_bind_intersect_kbo_range") { > + uint32_t vm_id; > + struct panthor_bo bo; > + uint64_t bo_size =3D SZ_2M; > + uint64_t uva_range; > + > + igt_panthor_vm_create_userva_range(fd, &vm_id, 0, &uva_range); > + igt_assert(vm_id !=3D 0); > + > + igt_panthor_bo_create(fd, &bo, bo_size, 0, 0); > + igt_panthor_vm_bind(fd, vm_id, bo.handle, ALIGN(uva_range, bo_size), > + bo_size, DRM_PANTHOR_VM_BIND_OP_TYPE_MAP, EINVAL); > + > + igt_panthor_vm_destroy(fd, vm_id, 0); > + } > + > igt_fixture() { > drm_close_driver(fd); > } >=20