Messages in this thread | | | Date | Thu, 29 Jun 2023 20:25:31 +0800 | From | kernel test robot <> | Subject | Re: [PATCH v3] riscv: Discard vector state on syscalls |
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Hi Björn,
kernel test robot noticed the following build errors:
[auto build test ERROR on 488833ccdcac118da16701f4ee0673b20ba47fe3]
url: https://github.com/intel-lab-lkp/linux/commits/Bj-rn-T-pel/riscv-Discard-vector-state-on-syscalls/20230629-142852 base: 488833ccdcac118da16701f4ee0673b20ba47fe3 patch link: https://lore.kernel.org/r/20230629062730.985184-1-bjorn%40kernel.org patch subject: [PATCH v3] riscv: Discard vector state on syscalls config: riscv-allnoconfig (https://download.01.org/0day-ci/archive/20230629/202306292011.OGfLGBam-lkp@intel.com/config) compiler: riscv64-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230629/202306292011.OGfLGBam-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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202306292011.OGfLGBam-lkp@intel.com/
All errors (new ones prefixed by >>):
arch/riscv/kernel/traps.c: In function 'do_trap_ecall_u': >> arch/riscv/kernel/traps.c:299:17: error: implicit declaration of function 'riscv_v_vstate_discard'; did you mean 'riscv_v_vstate_restore'? [-Werror=implicit-function-declaration] 299 | riscv_v_vstate_discard(regs); | ^~~~~~~~~~~~~~~~~~~~~~ | riscv_v_vstate_restore cc1: some warnings being treated as errors
vim +299 arch/riscv/kernel/traps.c
290 291 asmlinkage __visible __trap_section void do_trap_ecall_u(struct pt_regs *regs) 292 { 293 if (user_mode(regs)) { 294 ulong syscall = regs->a7; 295 296 regs->epc += 4; 297 regs->orig_a0 = regs->a0; 298 > 299 riscv_v_vstate_discard(regs); 300 301 syscall = syscall_enter_from_user_mode(regs, syscall); 302 303 if (syscall < NR_syscalls) 304 syscall_handler(regs, syscall); 305 else 306 regs->a0 = -ENOSYS; 307 308 syscall_exit_to_user_mode(regs); 309 } else { 310 irqentry_state_t state = irqentry_nmi_enter(regs); 311 312 do_trap_error(regs, SIGILL, ILL_ILLTRP, regs->epc, 313 "Oops - environment call from U-mode"); 314 315 irqentry_nmi_exit(regs, state); 316 } 317
-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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