Re: [PATCH v10 0/6] gpu: nova-core: expose the logging buffers via debugfs

["Alexandre Courbot" <acourbot@nvidia.com>]

On Wed Mar 18, 2026 at 8:53 AM JST, Timur Tabi wrote:
> GSP-RM writes its printf messages to "logging buffers", which are blocks
> of memory allocated by the driver.  The messages are encoded, so exposing
> the buffers as debugfs entries allows the buffers to be extracted and
> decoded by a special application.
>
> When the driver loads, a /sys/kernel/debug/nova_core root entry is
> created.  To do this, the normal module_pci_driver! macro call is
> replaced with an explicit initialization function, as this allows
> that debugfs entry to be created once for all GPUs.
>
> Then in each GPU's initialization, a subdirectory based on the PCI
> BDF name is created, and the logging buffer entries are created under
> that.
>
> This series depends on Eliot Courtney's Cmdq patch set [1].

The series now applies nicely by itself on drm-rust-next! I'll let
Danilo coordinate its merging with the rest of the I/O related stuff
(hence my Reviewed-bys on the nova-core patches).

I think it looks great now, thanks!