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 18B3ACC6B2D for ; Thu, 15 Oct 2026 01:02:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id ED6DC10EB53; Thu, 15 Oct 2026 01:02:35 +0000 (UTC) Received: from sender6-op-o11.zoho.com (sender6-op-o11.zoho.com [165.173.180.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9EAA010EB53 for ; Thu, 15 Oct 2026 01:02:29 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; t=1792026143; cv=none; d=zohomail.com; s=zohoarc; b=GP1L/jtP7DrJ7QJoSmSnld9D3L43R/tNhAM9W/r4Xs0UHMPa2Ztvif9AdMxaFb5icU8njM4rQrhWkILeSIuoIzuUdeAkO/EEsONDd/JKQJI5XM9507+2rwThihvC/ICDwg2GT2ofol9ZS/M5HI7emtgxZgnERZ8c41dJ8AuyW68= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1792026143; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=ZLfGeZI4u4aHgotCmZSC6LpPADowbtpwUTlXNmQWkQE=; b=eurUnNzCYxqcjgZnQldpNDJWyVu5JsCdh1Lw0iu6LY1/CLonuN6Ssro+Fy0JfrHQTdSvnXFdmzWMFOAn6cfkGgOG3W50M8dk0UnCSS4pMiv5dB/sel+uMXTA4BNPFcyxZ7R9utgFG9IyxoGd79J231tdk3/J4pDxZKbftNbPRBA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=deborah.brouwer@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1792026143; s=zohomail; d=collabora.com; i=deborah.brouwer@collabora.com; h=From:From:Subject:Subject:Date:Date:Message-Id:Message-Id:MIME-Version:Content-Type:Content-Transfer-Encoding:To:To:Cc:Cc:Reply-To; bh=ZLfGeZI4u4aHgotCmZSC6LpPADowbtpwUTlXNmQWkQE=; b=W2W55KxJRiaSzB//Go80ZKTV+gVE5rwv9llz5CWkOxQ+fjdjfoS3VR2KAPL0pAmP qXNlBPEDEDIn09AexRQXaoTIkWtzob72lRV17Vdp9mOaIuhZCrO8KRuOpPeqyGzY4CR fr8k3igjmiV+m3gwo1jTQ6Tfl6/Q8OGmEfJYiD+s= Received: by smtp.zohomail.com with SMTPS id 1792026141942704.1542737296895; Wed, 14 Oct 2026 18:02:21 -0700 (PDT) From: Deborah Brouwer Subject: [PATCH 0/2] drm/tyr: allow mismatched buffers for dev_query Date: Wed, 14 Oct 2026 18:02:02 -0700 Message-Id: <20261014-b4-dev_query_fixes-v1-0-92043100b472@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAAAAAAC/x3L0QpAMBSH8VfRubba1knxKpKGP87NsEW0vLvl8 tfXlygiCCI1RaKAS6JsPsOUBY2r8wuUTNlkta2MNqwGVhOu/jgRnn6WG1ExtBu0ZVuzozzuAX/ IX9u97wd1NiNeZAAAAA== X-Change-ID: 20261014-b4-dev_query_fixes-4e0ab024294a To: Miguel Ojeda , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Daniel Almeida , Tamir Duberstein , Alexandre Courbot , =?utf-8?q?Onur_=C3=96zkan?= , David Airlie , Simona Vetter Cc: rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Deborah Brouwer X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=809; i=deborah.brouwer@collabora.com; h=from:subject:message-id; bh=OwWdTR3XhajPl3U4zGrx0KdjDKksTiLlAAPouO5QtDA=; b=owGbwMvMwCVWuULzOU9c7WvG02pJDFkX1GQUfvdOYrezyPhlaiAt/PXFcknOybM/lHDeWJpjV 7V0HbdaRykLgxgXg6yYIstZe6Me8ar3Rrrz/zfDzGFlAhnCwMUpABOpzWb477hMxbZx0fwL09u4 I0unVKyZf3Z1b+f5e0t/c5u5riiy7GNkOMvscvumt6FwxLa2EPPwu+uPZKubPTuwqG2D3pMl4ZF f+QE= X-Developer-Key: i=deborah.brouwer@collabora.com; a=openpgp; fpr=CD3F328C177AEF322D9FFF8379A829E70C5E7DEB X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Panthor UAPI for DRM_IOCTL_TYR_DEV_QUERY allows userspace to provide a smaller or larger buffer than the kernel needs. Revise Tyr's implementation to match the expected UAPI behaviour. Signed-off-by: Deborah Brouwer --- Deborah Brouwer (2): rust: uaccess: add UserSliceWriter::clear() drm/tyr: allow userspace buffers to be mismatched drivers/gpu/drm/tyr/file.rs | 45 +++++++++++++++++++++++++++++++++++++-------- rust/helpers/uaccess.c | 6 ++++++ rust/kernel/uaccess.rs | 23 +++++++++++++++++++++++ 3 files changed, 66 insertions(+), 8 deletions(-) --- base-commit: 5a1b7121a6c4db6c0239d3ac3fd1c2bb33a40025 change-id: 20261014-b4-dev_query_fixes-4e0ab024294a Best regards, -- Deborah Brouwer