tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 8382e5fc4db31572a2be5a540ea7e11ac725e3d8 commit: d9ed39df777afd38fcbd4f4ca670cceb2f168124 [2138/2138] entry: Move exit to usermode functions to header file config: loongarch-randconfig-r121-20250419 (https://download.01.org/0day-ci/archive/20250419/202504191800.HGHPELMl-lkp@i...) compiler: loongarch64-linux-gcc (GCC) 14.2.0 reproduce: (https://download.01.org/0day-ci/archive/20250419/202504191800.HGHPELMl-lkp@i...) 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/202504191800.HGHPELMl-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/entry/common.c:380:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ kernel/entry/common.c:380:9: sparse: expected void *ptr kernel/entry/common.c:380:9: sparse: got unsigned int [noderef] __percpu * kernel/entry/common.c:380:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ kernel/entry/common.c:380:9: sparse: expected void *ptr kernel/entry/common.c:380:9: sparse: got unsigned int [noderef] __percpu * kernel/entry/common.c:380:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ kernel/entry/common.c:380:9: sparse: expected void *ptr kernel/entry/common.c:380:9: sparse: got unsigned int [noderef] __percpu * kernel/entry/common.c:380:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ kernel/entry/common.c:380:9: sparse: expected void *ptr kernel/entry/common.c:380:9: sparse: got unsigned int [noderef] __percpu * kernel/entry/common.c:380:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ kernel/entry/common.c:380:9: sparse: expected void *ptr kernel/entry/common.c:380:9: sparse: got int [noderef] __percpu * kernel/entry/common.c:380:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ kernel/entry/common.c:380:9: sparse: expected void *ptr kernel/entry/common.c:380:9: sparse: got int [noderef] __percpu * kernel/entry/common.c:380:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ kernel/entry/common.c:380:9: sparse: expected void *ptr kernel/entry/common.c:380:9: sparse: got int [noderef] __percpu * kernel/entry/common.c:380:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ kernel/entry/common.c:380:9: sparse: expected void *ptr kernel/entry/common.c:380:9: sparse: got int [noderef] __percpu * kernel/entry/common.c:423:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ kernel/entry/common.c:423:29: sparse: expected void *ptr kernel/entry/common.c:423:29: sparse: got int [noderef] __percpu * kernel/entry/common.c:423:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ kernel/entry/common.c:423:29: sparse: expected void *ptr kernel/entry/common.c:423:29: sparse: got int [noderef] __percpu * kernel/entry/common.c:423:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ kernel/entry/common.c:423:29: sparse: expected void *ptr kernel/entry/common.c:423:29: sparse: got int [noderef] __percpu * kernel/entry/common.c:423:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ kernel/entry/common.c:423:29: sparse: expected void *ptr kernel/entry/common.c:423:29: sparse: got int [noderef] __percpu * kernel/entry/common.c: note: in included file:

...

include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:285:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:285:9: sparse: expected void *ptr include/linux/entry-common.h:285:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got unsigned int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got int [noderef] __percpu * include/linux/entry-common.h:298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ include/linux/entry-common.h:298:9: sparse: expected void *ptr include/linux/entry-common.h:298:9: sparse: got int [noderef] __percpu *

vim +285 include/linux/entry-common.h 264 265 /** 266 * exit_to_user_mode_loop - do any pending work before leaving to user space 267 */ 268 unsigned long exit_to_user_mode_loop(struct pt_regs *regs, 269 unsigned long ti_work); 270 271 /** 272 * exit_to_user_mode_prepare - call exit_to_user_mode_loop() if required 273 * @regs: Pointer to pt_regs on entry stack 274 * 275 * 1) check that interrupts are disabled 276 * 2) call tick_nohz_user_enter_prepare() 277 * 3) call exit_to_user_mode_loop() if any flags from 278 * EXIT_TO_USER_MODE_WORK are set 279 * 4) check that interrupts are still disabled 280 */ 281 static __always_inline void exit_to_user_mode_prepare(struct pt_regs *regs) 282 { 283 unsigned long ti_work; 284

285 lockdep_assert_irqs_disabled(); 286 287 /* Flush pending rcuog wakeup before the last need_resched() check */ 288 tick_nohz_user_enter_prepare(); 289 290 ti_work = read_thread_flags(); 291 if (unlikely(ti_work & EXIT_TO_USER_MODE_WORK)) 292 ti_work = exit_to_user_mode_loop(regs, ti_work); 293 294 arch_exit_to_user_mode_prepare(regs, ti_work); 295 296 /* Ensure that kernel state is sane for a return to userspace */ 297 kmap_assert_nomap(); 298 lockdep_assert_irqs_disabled(); 299 lockdep_sys_exit(); 300 } 301

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