Re: [PATCH v4 00/41] DYNDBG: opt-in class'd debug for modules, use in drm.

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On Wed, Jul 20, 2022 at 9:32 AM Jim Cromie <jim.cromie@xxxxxxxxx> wrote:
>

> Hi Jason, Greg, DRM-folk,
>
> This adds 'typed' "class FOO" support to dynamic-debug, where 'typed'
> means either DISJOINT (like drm debug categories), or VERBOSE (like
> nouveau debug-levels).  Use it in DRM modules: core, helpers, and in
> drivers i915, amdgpu, nouveau.
>

This revision fell over, on a conflict with something in drm-MUMBLE

Error: patch https://patchwork.freedesktop.org/api/1.0/series/106427/revisions/2/mbox/
not applied
Applying: dyndbg: fix static_branch manipulation
Applying: dyndbg: fix module.dyndbg handling
Applying: dyndbg: show both old and new in change-info
Applying: dyndbg: reverse module walk in cat control
Applying: dyndbg: reverse module.callsite walk in cat control
Applying: dyndbg: use ESCAPE_SPACE for cat control
Applying: dyndbg: let query-modname override actual module name
Applying: dyndbg: add test_dynamic_debug module
Applying: dyndbg: drop EXPORTed dynamic_debug_exec_queries

Jason,
those above are decent maintenance patches, particularly the drop export.
It would be nice to trim this unused api this cycle.

Applying: dyndbg: add class_id to pr_debug callsites
Applying: dyndbg: add __pr_debug_cls for testing
Applying: dyndbg: add DECLARE_DYNDBG_CLASSMAP
Applying: kernel/module: add __dyndbg_classes section
Applying: dyndbg: add ddebug_attach_module_classes
Applying: dyndbg: validate class FOO by checking with module
Applying: dyndbg: add drm.debug style bitmap support
Applying: dyndbg: test DECLARE_DYNDBG_CLASSMAP, sysfs nodes
Applying: doc-dyndbg: describe "class CLASS_NAME" query support
Applying: doc-dyndbg: edit dynamic-debug-howto for brevity, audience
Applying: drm_print: condense enum drm_debug_category
Applying: drm: POC drm on dyndbg - use in core, 2 helpers, 3 drivers.
Applying: drm_print: interpose drm_*dbg with forwarding macros
Applying: drm_print: wrap drm_*_dbg in dyndbg descriptor factory macro
Using index info to reconstruct a base tree...
M drivers/gpu/drm/Kconfig
M drivers/gpu/drm/Makefile
Falling back to patching base and 3-way merge...
Auto-merging drivers/gpu/drm/Makefile
Auto-merging drivers/gpu/drm/Kconfig
CONFLICT (content): Merge conflict in drivers/gpu/drm/Kconfig
error: Failed to merge in the changes.


Before I resend, I should sort out that possible conflict
which tree is patchwork applied upon ?

or was it just transient ? after 5.19 I rebased a copy onto drm-next/drm-next,
and there was nothing to fix - I will revisit presently..



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