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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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checkpatch: document new check PLACEHOLDER_USE

Adds documentation for the new check PLACEHOLDER_USE in checkpatch.

Link: https://lkml.kernel.org/r/20250917173725.22547-3-work@onurozkan.dev
Signed-off-by: Onur Özkan <work@onurozkan.dev>
Acked-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

authored by

Onur Özkan and committed by
Andrew Morton 55b453ed fc387a07

+10
+10
Documentation/dev-tools/checkpatch.rst
··· 1245 1245 The patch file does not appear to be in unified-diff format. Please 1246 1246 regenerate the patch file before sending it to the maintainer. 1247 1247 1248 + **PLACEHOLDER_USE** 1249 + Detects unhandled placeholder text left in cover letters or commit headers/logs. 1250 + Common placeholders include lines like:: 1251 + 1252 + *** SUBJECT HERE *** 1253 + *** BLURB HERE *** 1254 + 1255 + These typically come from autogenerated templates. Replace them with a proper 1256 + subject and description before sending. 1257 + 1248 1258 **PRINTF_0XDECIMAL** 1249 1259 Prefixing 0x with decimal output is defective and should be corrected. 1250 1260