From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f74.google.com (mail-wr1-f74.google.com [209.85.221.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8C35E218845 for ; Thu, 8 Jan 2026 16:07:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767888466; cv=none; b=fRf4lNx3w/BLFMSpeulNrZEa1NzBFkZ8uZkjirL0zjD4DBXFHs/LR53mrbCgom/A2UD6GEksaqoinofgUo/2uKw6H1kOhw6tSqxkxa0YUWhofKDWU/WzSZ/Gg2/t0swuyTDkm8CVYMHw2GIR1jDlH4uybam+oNlCLRhOzHW+sBY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767888466; c=relaxed/simple; bh=snxThI8cYlPfWm0VQSv1csU1h0GPhmXiSH+DK97/5yY=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=X5/X+0vdM9c5SkxsRj2lYOqXR5stf22e8nLpoTCgSYKoFcI5XTg+qO6rZj6AxiBybVo+IhLj+/p4sUrxhRliRGBZ5iy1FQWBEhaaEsDfsEy0wQ/9EdvDh5V0KqPB8CiC97yBlYeBntg/OHxaqXLdJRl352ReUG35kud690IV56M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--aliceryhl.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=kbT5nZLn; arc=none smtp.client-ip=209.85.221.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--aliceryhl.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="kbT5nZLn" Received: by mail-wr1-f74.google.com with SMTP id ffacd0b85a97d-432586f2c82so1503626f8f.0 for ; Thu, 08 Jan 2026 08:07:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1767888463; x=1768493263; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=GgFTUVqrsSYoJNwoFQtQbYpFqJVNoWHrRDOGPnWEKHg=; b=kbT5nZLn3rlq3Zq7jqmFKRyCS2mQZ+LfUx8T60u/4/VAJKKtjGAWSRPRGu4q+i+gME TRKrNfBwx2DN60ncQqYuGfBfo09vDSa7gLwAiB+6007RMSjxcFmJP4gUYyRbHb22BO/A LaGFuE1Al35wfJfxZzQ/7TUAAbxx8G63zSb+e+JXn9wr8zDVBupHcQHG9LVl9CABIPeQ 4v84V+9xQwIo92OciyxV0Hrfnl6mgI+UbesNnPurF/aByWj/Env+UrhL0NAiQ+qeXrvm Ugg0LdvGXziM5WioJOcSsH8YIsP36WEBecrz6he/V81mVTGUA3bLKaji7Yrj3WpHGLxa ViMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767888463; x=1768493263; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=GgFTUVqrsSYoJNwoFQtQbYpFqJVNoWHrRDOGPnWEKHg=; b=a1wNs6cqySABTzGLN+WzW1I/Tg/5Pn1g7ro1Zh6HBCikLpGrhpX4fRQ+F5nElqARbH xtAuYKXDx5H2WK1o9tVMrNHEPq3wN5ZrR7Bf4ndVGoc+VRKux5lGvBVYdgCCwJD0aUI+ 8uKeX4IEaItaXCSMKl/pKhpXYWbYLhaws1ZOMjG3wMWaG71aK6gkLzV4C0RfxRMmQZ8v Betu2SnrIqr+a8QfGbeY09TfP1LZ/nPnlmM5BkLYPgKw93SzVLC+umNFEIebuWIL/AIP hDGSehmgGIoEEgUgz1IbNHZlMGEFB7rMHi61J7ICRG6DSs8ebKGU05lSsLphKlMH6C/j ZTKg== X-Forwarded-Encrypted: i=1; AJvYcCXkF/hRlcsOEcFKnIt/KK47nQd2yIDLTmZyZ7gOWTExc3UbGa+ZIDSdau/3mcg7MWNWdSAGTqWZOlEDkw==@vger.kernel.org X-Gm-Message-State: AOJu0Yzyx4H6U2X07NX/eOOGj2gFmnQxgYcet6y5AsxqyFSmHFeYKXQg aO9vdOq2PabBghfqiZauuOlhIRnR10Gg0R9bWPAeUD8S2t24KhK/gc30v6YFNt3iRouYB1eXkbB Lc5I3sgIM29pk2g3YfA== X-Google-Smtp-Source: AGHT+IELwgIWCY/J1hvJcROgHHhPtNfYmVFPy3DR5T4AF6N3+oYhJGrZ8GFSbPrxOSUZVlJIw2ilobL0+dO9O/E= X-Received: from wrbay21.prod.google.com ([2002:a5d:6f15:0:b0:430:f9bd:2c6a]) (user=aliceryhl job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6000:2207:b0:429:b963:cdd5 with SMTP id ffacd0b85a97d-432c362bf78mr8482438f8f.5.1767888462740; Thu, 08 Jan 2026 08:07:42 -0800 (PST) Date: Thu, 08 Jan 2026 16:07:30 +0000 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAELWX2kC/23MQQ7CIBCF4as0sxYDo1J15T1MF0AHSmJLAy3RN Nxd7Nrl/5L3bZAoekpwbzaIlH3yYaqBhwbMoCZHzPe1ATlehMArc/OaRxbXtDDdiptRBlvVS6i HOZL17x17drUHn5YQP7udxW/9y2TBOCNtpdQWT2fiDxeCe9HRhBG6UsoXJH5RoKUAAAA= X-Change-Id: 20251128-gpuvm-rust-b719cac27ad6 X-Developer-Key: i=aliceryhl@google.com; a=openpgp; fpr=49F6C1FAA74960F43A5B86A1EE7A392FDE96209F X-Developer-Signature: v=1; a=openpgp-sha256; l=1173; i=aliceryhl@google.com; h=from:subject:message-id; bh=snxThI8cYlPfWm0VQSv1csU1h0GPhmXiSH+DK97/5yY=; b=owEBbQKS/ZANAwAKAQRYvu5YxjlGAcsmYgBpX9ZH3Tr28HEcClQ+ZDYSEkR/L6fUjzsnzmv5F BeIx0yoLAKJAjMEAAEKAB0WIQSDkqKUTWQHCvFIvbIEWL7uWMY5RgUCaV/WRwAKCRAEWL7uWMY5 Rt0REAChUrcJne916D6faDvqGiRD5g231h04N9otKKhmpsWolA2a/ys2BTZD3POx29KNCGGwvon rqbEXw+izw0oLt8nyONEyDJ0FQEzYNg3U3XCwhcafeEAwjXPl/qShu2jZqWKJpckQbpZfrxMBP5 RAjMWIalnaE9hAQGspLSNAatkA1Dp/mAA7/zZFc2+mRr3BzsnRMOHZNJoIxQWwdAmXAHjdy4nvC cUHwu1MetM2WGhE9cNzEB84RdpIc59o68meuQ4a0odTAt2r2yIdpcLSgQIGgefFrYhCstjzFy8/ hIWLbWwxUfP6l3Ie0u09nLOHn8/tHETnuZ4soTrvi7bBIsBIhgibrnFyefgrRPUdl+g5vkZbS87 xoqIjxnjwBJYD7QrIw04iFmCSArVo1bjZ8piHoXzCmwDJhI4rc326Lm5pO8ivgdz7o/i8UiBEF3 MywNzDyTMwsUjle/HG2/Z5lhRpT+Chm5BCjtirWXP3EAp0h1wJcsH8AF1avryc5CqDVIBBU6kc5 sweGcqQFhTo5Ra5bDr2K9LENRjSmkHwzmHFnipDJph8IELNzuEdGGeba2EGzaszhlCzmTENVrbb vx9a86rmbiUuivhvyCcNbH8dRQG7mvTc3kLjBaRKM8UmIVKm95dXUMV9sYrIm0rJurciOILvVyx gsvtgtvLv6p7qBA== X-Mailer: b4 0.14.2 Message-ID: <20260108-gpuvm-rust-v2-0-dbd014005a0b@google.com> Subject: [PATCH v2 0/3] Rust GPUVM prerequisites From: Alice Ryhl To: Danilo Krummrich , Daniel Almeida Cc: Matthew Brost , "=?utf-8?q?Thomas_Hellstr=C3=B6m?=" , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Boris Brezillon , Steven Price , Liviu Dudau , Miguel Ojeda , Boqun Feng , Gary Guo , "=?utf-8?q?Bj=C3=B6rn_Roy_Baron?=" , Benno Lossin , Andreas Hindborg , Trevor Gross , Frank Binns , Matt Coster , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Sean Paul , Marijn Suijten , Lyude Paul , Rodrigo Vivi , Sumit Semwal , "=?utf-8?q?Christian_K=C3=B6nig?=" , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-media@vger.kernel.org, Alice Ryhl Content-Type: text/plain; charset="utf-8" See v1 for the Rust code that uses these C changes. Signed-off-by: Alice Ryhl --- Changes in v2: - For this version, only the C prerequisites are included. Rust will be sent as follow-up. - Link to v1: https://lore.kernel.org/r/20251128-gpuvm-rust-v1-0-ebf66bf234e0@google.com --- Alice Ryhl (3): drm/gpuvm: take GEM lock inside drm_gpuvm_bo_obtain_prealloc() drm/gpuvm: drm_gpuvm_bo_obtain() requires lock and staged mode drm/gpuvm: use const for drm_gpuva_op_* ptrs drivers/gpu/drm/drm_gpuvm.c | 91 ++++++++++++++++++++++++---------- drivers/gpu/drm/imagination/pvr_vm.c | 2 +- drivers/gpu/drm/msm/msm_gem.h | 2 +- drivers/gpu/drm/msm/msm_gem_vma.c | 2 +- drivers/gpu/drm/nouveau/nouveau_uvmm.c | 2 +- drivers/gpu/drm/panthor/panthor_mmu.c | 10 ---- drivers/gpu/drm/xe/xe_vm.c | 4 +- include/drm/drm_gpuvm.h | 12 ++--- 8 files changed, 76 insertions(+), 49 deletions(-) --- base-commit: 44e4c88951fa9c73bfbde8269e443ea5343dd2af change-id: 20251128-gpuvm-rust-b719cac27ad6 Best regards, -- Alice Ryhl