| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <202408291419.auyiQ03C-lkp@intel.com>
Date: Thu, 29 Aug 2024 14:18:56 +0800
From: kernel test robot <lkp@...el.com>
To: "Steven Rostedt (Google)" <rostedt@...dmis.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-kernel@...r.kernel.org
Subject: kernel/trace/trace.c:2102:19: error: unused function
'run_tracer_selftest'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d5d547aa7b51467b15d9caa86b116f8c2507c72a
commit: e8352cf5778c53b80fdcee086278b2048ddb8f98 tracing: Move setting of tracing_selftest_running out of register_tracer()
date: 1 year, 3 months ago
config: x86_64-sof-customedconfig-amd-defconfig (https://download.01.org/0day-ci/archive/20240829/202408291419.auyiQ03C-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240829/202408291419.auyiQ03C-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408291419.auyiQ03C-lkp@intel.com/
All errors (new ones prefixed by >>):
>> kernel/trace/trace.c:2102:19: error: unused function 'run_tracer_selftest' [-Werror,-Wunused-function]
2102 | static inline int run_tracer_selftest(struct tracer *type)
| ^~~~~~~~~~~~~~~~~~~
1 error generated.
vim +/run_tracer_selftest +2102 kernel/trace/trace.c
e8352cf5778c53 Steven Rostedt (Google 2023-05-28 2054)
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2055) static __init int init_trace_selftests(void)
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2056) {
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2057) struct trace_selftests *p, *n;
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2058) struct tracer *t, **last;
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2059) int ret;
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2060)
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2061) selftests_can_run = true;
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2062)
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2063) mutex_lock(&trace_types_lock);
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2064)
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2065) if (list_empty(&postponed_selftests))
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2066) goto out;
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2067)
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2068) pr_info("Running postponed tracer tests:\n");
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2069)
78041c0c9e935d Steven Rostedt (VMware 2020-02-20 2070) tracing_selftest_running = true;
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2071) list_for_each_entry_safe(p, n, &postponed_selftests, list) {
6fc2171c5c0367 Anders Roxell 2018-11-30 2072 /* This loop can take minutes when sanitizers are enabled, so
6fc2171c5c0367 Anders Roxell 2018-11-30 2073 * lets make sure we allow RCU processing.
6fc2171c5c0367 Anders Roxell 2018-11-30 2074 */
6fc2171c5c0367 Anders Roxell 2018-11-30 2075 cond_resched();
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2076) ret = run_tracer_selftest(p->type);
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2077) /* If the test fails, then warn and remove from available_tracers */
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2078) if (ret < 0) {
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2079) WARN(1, "tracer: %s failed selftest, disabling\n",
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2080) p->type->name);
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2081) last = &trace_types;
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2082) for (t = trace_types; t; t = t->next) {
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2083) if (t == p->type) {
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2084) *last = t->next;
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2085) break;
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2086) }
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2087) last = &t->next;
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2088) }
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2089) }
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2090) list_del(&p->list);
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2091) kfree(p);
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2092) }
78041c0c9e935d Steven Rostedt (VMware 2020-02-20 2093) tracing_selftest_running = false;
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2094)
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2095) out:
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2096) mutex_unlock(&trace_types_lock);
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2097)
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2098) return 0;
9afecfbb95198e Steven Rostedt (VMware 2017-03-24 2099) }
b9ef0326c05a00 Steven Rostedt 2017-05-17 2100 core_initcall(init_trace_selftests);
f4e781c0a89d58 Steven Rostedt (Red Hat 2013-03-07 2101) #else
f4e781c0a89d58 Steven Rostedt (Red Hat 2013-03-07 @2102) static inline int run_tracer_selftest(struct tracer *type)
f4e781c0a89d58 Steven Rostedt (Red Hat 2013-03-07 2103) {
f4e781c0a89d58 Steven Rostedt (Red Hat 2013-03-07 2104) return 0;
0d5c6e1c19bab8 Steven Rostedt 2012-11-01 2105 }
e8352cf5778c53 Steven Rostedt (Google 2023-05-28 2106) static inline int do_run_tracer_selftest(struct tracer *type)
e8352cf5778c53 Steven Rostedt (Google 2023-05-28 2107) {
e8352cf5778c53 Steven Rostedt (Google 2023-05-28 2108) return 0;
e8352cf5778c53 Steven Rostedt (Google 2023-05-28 2109) }
f4e781c0a89d58 Steven Rostedt (Red Hat 2013-03-07 2110) #endif /* CONFIG_FTRACE_STARTUP_TEST */
0d5c6e1c19bab8 Steven Rostedt 2012-11-01 2111
:::::: The code at line 2102 was first introduced by commit
:::::: f4e781c0a89d5810729772290441ac7d61f321ec tracing: Move the tracing selftest code into its own function
:::::: TO: Steven Rostedt (Red Hat) <srostedt@...hat.com>
:::::: CC: Steven Rostedt <rostedt@...dmis.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
Powered by blists - more mailing lists