All of lore.kernel.org
 help / color / mirror / Atom feed
From: kernel test robot <lkp@intel.com>
To: "D, Lakshmi Sowjanya" <lakshmi.sowjanya.d@intel.com>
Cc: oe-kbuild-all@lists.linux.dev, Hao Li <hao3.li@intel.com>
Subject: [intel-lts:6.12/emt 9/9] arch/x86/kernel/tsc.c:1338: warning: Function parameter or struct member 'system_counter' not described in 'convert_tsc_to_art'
Date: Thu, 11 Dec 2025 18:37:53 +0100	[thread overview]
Message-ID: <202512111823.lILdCWOV-lkp@intel.com> (raw)

tree:   https://github.com/intel/linux-intel-lts.git 6.12/emt
head:   aac28a88afc1d68448c7e5672fed4da83e10fe8b
commit: 7f36119fd0bcdc0fee9bb16b971f924bb502b888 [9/9] ptp: tgpio: PSE TGPIO crosststamp, counttstamp
config: x86_64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20251211/202512111823.lILdCWOV-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251211/202512111823.lILdCWOV-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512111823.lILdCWOV-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/x86/kernel/tsc.c:1338: warning: Function parameter or struct member 'system_counter' not described in 'convert_tsc_to_art'
>> arch/x86/kernel/tsc.c:1338: warning: Function parameter or struct member 'art' not described in 'convert_tsc_to_art'


vim +1338 arch/x86/kernel/tsc.c

  1326	
  1327	/**
  1328	 * convert_tsc_to_art() - Returns ART value associated with system counter
  1329	 *
  1330	 * Converts input TSC to the corresponding ART value using conversion
  1331	 * factors discovered by detect_art()
  1332	 *
  1333	 * Return:
  1334	 * u64 ART value
  1335	 */
  1336	int convert_tsc_to_art(
  1337		const struct system_counterval_t *system_counter, u64 *art)
> 1338	{
  1339		u64 tmp, res, rem;
  1340	
  1341		if (system_counter->cs_id != CSID_X86_TSC)
  1342			return -EINVAL;
  1343	
  1344		res = system_counter->cycles - art_to_tsc_offset;
  1345		rem = do_div(res, art_to_tsc_numerator);
  1346	
  1347		*art = res * art_to_tsc_denominator;
  1348		tmp = rem * art_to_tsc_denominator;
  1349	
  1350		do_div(tmp, art_to_tsc_numerator);
  1351		*art += tmp;
  1352	
  1353		return 0;
  1354	}
  1355	EXPORT_SYMBOL(convert_tsc_to_art);
  1356	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

                 reply	other threads:[~2025-12-11 17:38 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=202512111823.lILdCWOV-lkp@intel.com \
    --to=lkp@intel.com \
    --cc=hao3.li@intel.com \
    --cc=lakshmi.sowjanya.d@intel.com \
    --cc=oe-kbuild-all@lists.linux.dev \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.