tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: bbd220ce4e29ed55ab079007cff0b550895258eb commit: 8a651e8f1fca74c7c2b033d9a0ad5214ac5d46e4 [6231/6992] riscv: fix VMALLOC_START definition config: riscv-randconfig-r071-20231211 (https://download.01.org/0day-ci/archive/20231212/202312120428.kUWabWlC-lkp@xxxxxxxxx/config) compiler: riscv64-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231212/202312120428.kUWabWlC-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202312120428.kUWabWlC-lkp@xxxxxxxxx/ New smatch warnings: kernel/events/core.c:7477 perf_virt_to_phys() warn: always true condition '(virt >= (0)) => (0-u64max >= 0)' drivers/clk/ingenic/tcu.c:455 ingenic_tcu_probe() warn: 'tcu->clk' from clk_prepare_enable() not released on lines: 455. Old smatch warnings: arch/riscv/include/asm/atomic.h:225 arch_atomic64_fetch_add_unless() warn: inconsistent indenting arch/riscv/include/asm/atomic.h:204 arch_atomic_fetch_add_unless() warn: inconsistent indenting vim +7477 kernel/events/core.c 5622f295b53fb6 kernel/perf_counter.c Markus Metzger 2009-09-15 7466 fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7467 static u64 perf_virt_to_phys(u64 virt) fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7468 { fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7469 u64 phys_addr = 0; fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7470 fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7471 if (!virt) fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7472 return 0; fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7473 fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7474 if (virt >= TASK_SIZE) { fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7475 /* If it's vmalloc()d memory, leave phys_addr as 0 */ fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7476 if (virt_addr_valid((void *)(uintptr_t)virt) && fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 @7477 !(virt >= VMALLOC_START && virt < VMALLOC_END)) fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7478 phys_addr = (u64)virt_to_phys((void *)(uintptr_t)virt); fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7479 } else { fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7480 /* fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7481 * Walking the pages tables for user address. fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7482 * Interrupts are disabled, so it prevents any tear down fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7483 * of the page tables. dadbb612f6e50b kernel/events/core.c Souptick Joarder 2020-06-07 7484 * Try IRQ-safe get_user_page_fast_only first. fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7485 * If failed, leave phys_addr as 0. fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7486 */ d3296fb372bf74 kernel/events/core.c Jiri Olsa 2020-04-07 7487 if (current->mm != NULL) { 4716023a8f6a0f kernel/events/core.c Greg Thelen 2021-11-10 7488 struct page *p; 4716023a8f6a0f kernel/events/core.c Greg Thelen 2021-11-10 7489 d3296fb372bf74 kernel/events/core.c Jiri Olsa 2020-04-07 7490 pagefault_disable(); 4716023a8f6a0f kernel/events/core.c Greg Thelen 2021-11-10 7491 if (get_user_page_fast_only(virt, 0, &p)) { fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7492 phys_addr = page_to_phys(p) + virt % PAGE_SIZE; 4716023a8f6a0f kernel/events/core.c Greg Thelen 2021-11-10 7493 put_page(p); 4716023a8f6a0f kernel/events/core.c Greg Thelen 2021-11-10 7494 } d3296fb372bf74 kernel/events/core.c Jiri Olsa 2020-04-07 7495 pagefault_enable(); d3296fb372bf74 kernel/events/core.c Jiri Olsa 2020-04-07 7496 } fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7497 } fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7498 fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7499 return phys_addr; fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7500 } fc7ce9c74c3ad2 kernel/events/core.c Kan Liang 2017-08-28 7501 :::::: The code at line 7477 was first introduced by commit :::::: fc7ce9c74c3ad232b084d80148654f926d01ece7 perf/core, x86: Add PERF_SAMPLE_PHYS_ADDR :::::: TO: Kan Liang <kan.liang@xxxxxxxxx> :::::: CC: Ingo Molnar <mingo@xxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
