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From: Bagas Sanjaya <bagasdotme@gmail.com>
To: Jim Cromie <jim.cromie@gmail.com>,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	gregkh@linuxfoundation.org, jbaron@akamai.com
Cc: ukaszb@chromium.org, louis.chauvet@bootlin.com,
	linux-doc@vger.kernel.org
Subject: Re: [PATCH v6 04/31] docs/dyndbg: explain flags parse 1st
Date: Thu, 20 Nov 2025 16:30:01 +0700	[thread overview]
Message-ID: <aR7fmRgNmP60RJZz@archie.me> (raw)
In-Reply-To: <20251118201842.1447666-5-jim.cromie@gmail.com>

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On Tue, Nov 18, 2025 at 01:18:14PM -0700, Jim Cromie wrote:
> -
> -A match specification is a keyword, which selects the attribute of
> -the callsite to be compared, and a value to compare against.  Possible
> +Note: because the match-spec can be empty, the flags are checked 1st,
> +then the pairs of keyword values.  Flag errs will hide keyword errs:
> +
> +  bash-5.2# ddcmd mod bar +foo
> +  dyndbg: read 13 bytes from userspace
> +  dyndbg: query 0: "mod bar +foo" mod:*
> +  dyndbg: unknown flag 'o'
> +  dyndbg: flags parse failed
> +  dyndbg: processed 1 queries, with 0 matches, 1 errs

The snippet above is shown as long-running paragraph instead, so I wrap it
in literal code block:

---- >8 ----
diff --git a/Documentation/admin-guide/dynamic-debug-howto.rst b/Documentation/admin-guide/dynamic-debug-howto.rst
index fd3dbae00cfc60..7690287cbe0c79 100644
--- a/Documentation/admin-guide/dynamic-debug-howto.rst
+++ b/Documentation/admin-guide/dynamic-debug-howto.rst
@@ -112,8 +112,8 @@ The match-spec's select *prdbgs* from the catalog, upon which to apply
 the flags-spec, all constraints are ANDed together.  An absent keyword
 is the same as keyword "*".
 
-Note: because the match-spec can be empty, the flags are checked 1st,
-then the pairs of keyword values.  Flag errs will hide keyword errs:
+Note that since the match-spec can be empty, the flags are checked first,
+then the pairs of keyword values.  Flag errs will hide keyword errs::
 
   bash-5.2# ddcmd mod bar +foo
   dyndbg: read 13 bytes from userspace
@@ -122,9 +122,9 @@ then the pairs of keyword values.  Flag errs will hide keyword errs:
   dyndbg: flags parse failed
   dyndbg: processed 1 queries, with 0 matches, 1 errs
 
-So a match-spec is a keyword, which selects the attribute of the
+Hence, a match-spec is a keyword, which selects the attribute of the
 callsite to be compared, and a value to compare against.  Possible
-keywords are:::
+keywords are::
 
   match-spec ::= 'func' string |
 		 'file' string |

Thanks.

-- 
An old man doll... just what I always wanted! - Clara

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  reply	other threads:[~2025-11-20  9:30 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-18 20:18 [PATCH v6 00/31] drm/dyndbg: Fix dynamic debug classmap regression Jim Cromie
2025-11-18 20:18 ` [PATCH v6 01/31] dyndbg: factor ddebug_match_desc out from ddebug_change Jim Cromie
2025-11-18 20:18 ` [PATCH v6 02/31] dyndbg: add stub macro for DECLARE_DYNDBG_CLASSMAP Jim Cromie
2025-11-18 20:18 ` [PATCH v6 03/31] docs/dyndbg: update examples \012 to \n Jim Cromie
2025-11-18 20:18 ` [PATCH v6 04/31] docs/dyndbg: explain flags parse 1st Jim Cromie
2025-11-20  9:30   ` Bagas Sanjaya [this message]
2025-11-18 20:18 ` [PATCH v6 05/31] test-dyndbg: fixup CLASSMAP usage error Jim Cromie
2025-11-18 20:18 ` [PATCH v6 06/31] dyndbg: reword "class unknown," to "class:_UNKNOWN_" Jim Cromie
2025-11-18 20:18 ` [PATCH v6 07/31] dyndbg: make ddebug_class_param union members same size Jim Cromie
2025-11-18 20:18 ` [PATCH v6 08/31] dyndbg: drop NUM_TYPE_ARRAY Jim Cromie
2025-11-18 20:18 ` [PATCH v6 09/31] dyndbg: tweak pr_fmt to avoid expansion conflicts Jim Cromie
2025-11-18 20:18 ` [PATCH v6 10/31] dyndbg: reduce verbose/debug clutter Jim Cromie
2025-11-18 20:18 ` [PATCH v6 11/31] dyndbg: refactor param_set_dyndbg_classes and below Jim Cromie
2025-11-18 20:18 ` [PATCH v6 12/31] dyndbg: tighten fn-sig of ddebug_apply_class_bitmap Jim Cromie
2025-11-18 20:18 ` [PATCH v6 13/31] dyndbg: replace classmap list with a vector Jim Cromie
2025-11-18 20:18 ` [PATCH v6 14/31] dyndbg: macrofy a 2-index for-loop pattern Jim Cromie
2025-11-18 20:18 ` [PATCH v6 15/31] dyndbg,module: make proper substructs in _ddebug_info Jim Cromie
2025-11-18 20:18 ` [PATCH v6 16/31] dyndbg: hoist classmap-filter-by-modname up to ddebug_add_module Jim Cromie
2025-12-09 22:43   ` Jason Baron
2025-12-10  6:33     ` jim.cromie
2025-12-10 19:14       ` Jason Baron
2025-12-10 20:21         ` jim.cromie
2025-12-12 16:05           ` Jason Baron
2025-12-14 18:09             ` jim.cromie
2025-11-18 20:18 ` [PATCH v6 17/31] dyndbg: move mod_name down from struct ddebug_table to _ddebug_info Jim Cromie
2025-11-18 20:18 ` [PATCH v6 18/31] dyndbg-API: remove DD_CLASS_TYPE_(DISJOINT|LEVEL)_NAMES and code Jim Cromie
2025-11-18 20:18 ` [PATCH v6 19/31] selftests-dyndbg: add a dynamic_debug run_tests target Jim Cromie
2025-11-18 20:18 ` [PATCH v6 20/31] dyndbg: change __dynamic_func_call_cls* macros into expressions Jim Cromie
2025-11-18 20:18 ` [PATCH v6 21/31] dyndbg-API: replace DECLARE_DYNDBG_CLASSMAP Jim Cromie
2025-11-18 20:18 ` [PATCH v6 22/31] dyndbg: detect class_id reservation conflicts Jim Cromie
2025-11-18 20:18 ` [PATCH v6 23/31] dyndbg: check DYNAMIC_DEBUG_CLASSMAP_DEFINE args at compile-time Jim Cromie
2025-11-18 20:18 ` [PATCH v6 24/31] dyndbg-test: change do_prints testpoint to accept a loopct Jim Cromie
2025-11-18 20:18 ` [PATCH v6 25/31] dyndbg-API: promote DYNAMIC_DEBUG_CLASSMAP_PARAM to API Jim Cromie
2025-11-18 20:18 ` [PATCH v6 26/31] dyndbg: treat comma as a token separator Jim Cromie
2025-11-18 20:18 ` [PATCH v6 27/31] dyndbg: split multi-query strings with % Jim Cromie
2025-11-18 20:18 ` [PATCH v6 28/31] selftests-dyndbg: add test_mod_submod Jim Cromie
2025-11-18 20:18 ` [PATCH v6 29/31] dyndbg: resolve "protection" of class'd pr_debug Jim Cromie
2025-12-11 21:25   ` Jason Baron
2025-12-14 18:04     ` jim.cromie
2025-11-18 20:18 ` [PATCH v6 30/31] dyndbg: add DYNAMIC_DEBUG_CLASSMAP_USE_(dd_class_name, offset) Jim Cromie
2025-12-11 21:22   ` Jason Baron
2025-11-18 20:18 ` [PATCH v6 31/31] docs/dyndbg: add classmap info to howto Jim Cromie
2025-11-20  3:08   ` Bagas Sanjaya
2025-11-20 16:22     ` jim.cromie
2025-11-19  1:35 ` [PATCH v6 00/31] drm/dyndbg: Fix dynamic debug classmap regression Bagas Sanjaya
2025-11-19  8:12   ` jim.cromie
2025-11-20  2:00     ` Bagas Sanjaya
2025-12-10 19:09 ` Jason Baron
2025-12-10 21:12   ` jim.cromie
2025-12-12 15:56     ` Jason Baron
2025-12-14 18:24       ` jim.cromie
2025-12-14 19:54         ` Jeff King
2025-12-14 22:52           ` jim.cromie
2025-12-15  8:07             ` Jeff King

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