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Should it be static? Message-ID: <202401071026.CeGunEjw-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Queue-Id: 225FCC0009 X-Rspam-User: X-Stat-Signature: yd7h6nwi47df9tu3kqfwyu6z7io55bub X-Rspamd-Server: rspam01 X-HE-Tag: 1704595324-847797 X-HE-Meta: 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 uQBe3gVc 4xMfyYlxzovSn/nVospcxG/fIXXI8DLhaMyETdDHmZEz6Upc3WFmzjszeHUrEMx/9ZyrrXRaZTKE0aKzfUVd18WRDlc9pm4LirGPqvDeOPVZtM+wqHZAhFo/YC80/+wBuJ62ipjoZv5lhw3ucDTy/b7yjIYNOBouyuYrPVswHoGK4WoHksG3W2lTX9ivlbVSKtgqQB9btyhT9mYaPueiZzD6hb0ZFV2j0FEmQlnPjPJEoGdoDja2ssVkyjn0mfl9e1YQ+NIfMXT0F2FzDkzri7Gew/GCmbIh6UW7Jj6gqOIwDDttc9xqCEZpkyj7R3sMa8yrETAysvOdma5akql8px6fmgHpKut3sG2ImqW4V80kyLGt9KVlKrYyHZP11vjfAmtVvOMeM9tP1wuc= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 52b1853b080a082ec3749c3a9577f6c71b1d4a90 commit: e2a8f20dd8e9df695f736e51cd9115ae55be92d1 Crash: add lock to serialize crash hotplug handling date: 3 months ago config: i386-randconfig-061-20240106 (https://download.01.org/0day-ci/archive/20240107/202401071026.CeGunEjw-lkp@intel.com/config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240107/202401071026.CeGunEjw-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202401071026.CeGunEjw-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> kernel/crash_core.c:749:1: sparse: sparse: symbol '__crash_hotplug_lock' was not declared. Should it be static? vim +/__crash_hotplug_lock +749 kernel/crash_core.c 741 742 /* 743 * Different than kexec/kdump loading/unloading/jumping/shrinking which 744 * usually rarely happen, there will be many crash hotplug events notified 745 * during one short period, e.g one memory board is hot added and memory 746 * regions are online. So mutex lock __crash_hotplug_lock is used to 747 * serialize the crash hotplug handling specifically. 748 */ > 749 DEFINE_MUTEX(__crash_hotplug_lock); 750 #define crash_hotplug_lock() mutex_lock(&__crash_hotplug_lock) 751 #define crash_hotplug_unlock() mutex_unlock(&__crash_hotplug_lock) 752 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki