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X-Stat-Signature: gz6xq1mxnzfy1n8ywufx8791zesn5pg7 X-HE-Tag: 1664720453-531525 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: On 10/1/22 05:05, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 274d7803837da78dfc911bcda0d593412676fc20 > commit: c0a581d7126c0bbc96163276f585fd7b4e4d8d0e [10260/11993] tracing: Disable interrupt or preemption before acquiring arch_spinlock_t > config: loongarch-randconfig-s031-20220925 > compiler: loongarch64-linux-gcc (GCC) 12.1.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # apt-get install sparse > # sparse version: v0.6.4-39-gce1a6720-dirty > # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=c0a581d7126c0bbc96163276f585fd7b4e4d8d0e > git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > git fetch --no-tags linux-next master > git checkout c0a581d7126c0bbc96163276f585fd7b4e4d8d0e > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch SHELL=/bin/bash kernel/trace/ mm/ > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot > > sparse warnings: (new ones prefixed by >>) > kernel/trace/trace.c:406:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct trace_export **list @@ got struct trace_export [noderef] __rcu ** @@ > kernel/trace/trace.c:406:28: sparse: expected struct trace_export **list > kernel/trace/trace.c:406:28: sparse: got struct trace_export [noderef] __rcu ** > kernel/trace/trace.c:420:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct trace_export **list @@ got struct trace_export [noderef] __rcu ** @@ > kernel/trace/trace.c:420:33: sparse: expected struct trace_export **list > kernel/trace/trace.c:420:33: sparse: got struct trace_export [noderef] __rcu ** >>> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ > kernel/trace/trace.c:2430:9: sparse: expected void *ptr > kernel/trace/trace.c:2430:9: sparse: got unsigned int [noderef] __percpu * >>> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ > kernel/trace/trace.c:2430:9: sparse: expected void *ptr > kernel/trace/trace.c:2430:9: sparse: got unsigned int [noderef] __percpu * >>> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ > kernel/trace/trace.c:2430:9: sparse: expected void *ptr > kernel/trace/trace.c:2430:9: sparse: got unsigned int [noderef] __percpu * >>> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ > kernel/trace/trace.c:2430:9: sparse: expected void *ptr > kernel/trace/trace.c:2430:9: sparse: got unsigned int [noderef] __percpu * >>> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ > kernel/trace/trace.c:2430:9: sparse: expected void *ptr > kernel/trace/trace.c:2430:9: sparse: got int [noderef] __percpu * >>> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ > kernel/trace/trace.c:2430:9: sparse: expected void *ptr > kernel/trace/trace.c:2430:9: sparse: got int [noderef] __percpu * >>> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ > kernel/trace/trace.c:2430:9: sparse: expected void *ptr > kernel/trace/trace.c:2430:9: sparse: got int [noderef] __percpu * >>> kernel/trace/trace.c:2430:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ > kernel/trace/trace.c:2430:9: sparse: expected void *ptr > kernel/trace/trace.c:2430:9: sparse: got int [noderef] __percpu * > kernel/trace/trace.c:2879:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct event_filter *filter @@ got struct event_filter [noderef] __rcu *filter @@ > kernel/trace/trace.c:2879:38: sparse: expected struct event_filter *filter > kernel/trace/trace.c:2879:38: sparse: got struct event_filter [noderef] __rcu *filter > kernel/trace/trace.c:7354:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got struct ring_buffer_event *[noderef] __percpu * @@ > kernel/trace/trace.c:7354:20: sparse: expected void *ptr > kernel/trace/trace.c:7354:20: sparse: got struct ring_buffer_event *[noderef] __percpu * > kernel/trace/trace.c:7354:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got struct ring_buffer_event *[noderef] __percpu * @@ > kernel/trace/trace.c:7354:20: sparse: expected void *ptr > kernel/trace/trace.c:7354:20: sparse: got struct ring_buffer_event *[noderef] __percpu * > kernel/trace/trace.c:7354:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got struct ring_buffer_event *[noderef] __percpu * @@ > kernel/trace/trace.c:7354:20: sparse: expected void *ptr > kernel/trace/trace.c:7354:20: sparse: got struct ring_buffer_event *[noderef] __percpu * > kernel/trace/trace.c:7354:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got struct ring_buffer_event *[noderef] __percpu * @@ > kernel/trace/trace.c:7354:20: sparse: expected void *ptr > kernel/trace/trace.c:7354:20: sparse: got struct ring_buffer_event *[noderef] __percpu * > kernel/trace/trace.c:360:9: sparse: sparse: incompatible types in comparison expression (different address spaces): > kernel/trace/trace.c:360:9: sparse: struct trace_export [noderef] __rcu * > kernel/trace/trace.c:360:9: sparse: struct trace_export * > kernel/trace/trace.c:375:9: sparse: sparse: incompatible types in comparison expression (different address spaces): > kernel/trace/trace.c:375:9: sparse: struct trace_export [noderef] __rcu * > kernel/trace/trace.c:375:9: sparse: struct trace_export * > > vim +2430 kernel/trace/trace.c > > 2410 > 2411 static int trace_save_cmdline(struct task_struct *tsk) > 2412 { > 2413 unsigned tpid, idx; > 2414 > 2415 /* treat recording of idle task as a success */ > 2416 if (!tsk->pid) > 2417 return 1; > 2418 > 2419 tpid = tsk->pid & (PID_MAX_DEFAULT - 1); > 2420 > 2421 /* > 2422 * It's not the end of the world if we don't get > 2423 * the lock, but we also don't want to spin > 2424 * nor do we want to disable interrupts, > 2425 * so if we miss here, then better luck next time. > 2426 * > 2427 * This is called within the scheduler and wake up, so interrupts > 2428 * had better been disabled and run queue lock been held. > 2429 */ >> 2430 lockdep_assert_preemption_disabled(); This assertion has been present in other parts of the kernel for a long time. The given config file is for loongarch64-linux-gcc. Does that happen in other more tested arches like x86 or arm64? If not, it is a probably a bug in the arch specific code in how it defines different address spaces as I saw other similar different address spaces warnings. -Longman