linux-kernel - Re: [PATCH] gpu: Move DRM buddy allocator one level up

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <dfc50417-66ce-44ce-b607-917d678c5631@nvidia.com>
Date: Mon, 24 Nov 2025 23:59:26 -0800
From: John Hubbard <jhubbard@...dia.com>
To: Christian König <christian.koenig@....com>,
 Dave Airlie <airlied@...il.com>
Cc: Joel Fernandes <joelagnelf@...dia.com>, linux-kernel@...r.kernel.org,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 Simona Vetter <simona@...ll.ch>, Jonathan Corbet <corbet@....net>,
 Alex Deucher <alexander.deucher@....com>,
 Jani Nikula <jani.nikula@...ux.intel.com>,
 Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
 Rodrigo Vivi <rodrigo.vivi@...el.com>, Tvrtko Ursulin
 <tursulin@...ulin.net>, Huang Rui <ray.huang@....com>,
 Matthew Auld <matthew.auld@...el.com>,
 Matthew Brost <matthew.brost@...el.com>,
 Lucas De Marchi <lucas.demarchi@...el.com>,
 Thomas Hellström <thomas.hellstrom@...ux.intel.com>,
 Helge Deller <deller@....de>, Danilo Krummrich <dakr@...nel.org>,
 Alice Ryhl <aliceryhl@...gle.com>, Miguel Ojeda <ojeda@...nel.org>,
 Alex Gaynor <alex.gaynor@...il.com>, Boqun Feng <boqun.feng@...il.com>,
 Gary Guo <gary@...yguo.net>, Björn Roy Baron
 <bjorn3_gh@...tonmail.com>, Benno Lossin <lossin@...nel.org>,
 Andreas Hindborg <a.hindborg@...nel.org>, Trevor Gross <tmgross@...ch.edu>,
 Alistair Popple <apopple@...dia.com>, Timur Tabi <ttabi@...dia.com>,
 Edwin Peer <epeer@...dia.com>, Alexandre Courbot <acourbot@...dia.com>,
 nouveau@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
 rust-for-linux@...r.kernel.org, linux-doc@...r.kernel.org,
 amd-gfx@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
 intel-xe@...ts.freedesktop.org, linux-fbdev@...r.kernel.org
Subject: Re: [PATCH] gpu: Move DRM buddy allocator one level up

On 11/24/25 11:54 PM, Christian König wrote:
> On 11/25/25 08:49, Dave Airlie wrote:
>> On Tue, 25 Nov 2025 at 17:45, Christian König <christian.koenig@....com> wrote:
...
> My question is why exactly is nova separated into nova-core and nova-drm? That doesn't seem to be necessary in the first place.
> 
The idea is that nova-core allows building up a separate software stack for
VFIO, without pulling in any DRM-specific code that a hypervisor (for example)
wouldn't need. That makes for a smaller, more security-auditable set of code
for that case.

thanks,
-- 
John Hubbard