Messages in this thread | | | Date | Fri, 12 Aug 2022 04:50:28 +0800 | From | kernel test robot <> | Subject | [broonie-misc:arm64-sme-fixes 3/4] arch/arm64/kernel/fpsimd.c:1394:21: error: too many arguments to function call, expected single argument 'task', have 2 arguments |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc.git arm64-sme-fixes head: faced24c84ad18ee30b91d041299519ce6190f28 commit: 6c9a05d1aa66fd95573944dc9bc0f7ce09785129 [3/4] arm64/sme: Don't flush SVE register state when allocating SME storage config: arm64-randconfig-r026-20220811 (https://download.01.org/0day-ci/archive/20220812/202208120424.12sjZabd-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 5f1c7e2cc5a3c07cbc2412e851a7283c1841f520) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc.git/commit/?id=6c9a05d1aa66fd95573944dc9bc0f7ce09785129 git remote add broonie-misc https://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc.git git fetch --no-tags broonie-misc arm64-sme-fixes git checkout 6c9a05d1aa66fd95573944dc9bc0f7ce09785129 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> arch/arm64/kernel/fpsimd.c:1394:21: error: too many arguments to function call, expected single argument 'task', have 2 arguments sve_alloc(current, true); ~~~~~~~~~ ^~~~ arch/arm64/include/asm/fpsimd.h:259:20: note: 'sve_alloc' declared here static inline void sve_alloc(struct task_struct *task) { } ^ arch/arm64/kernel/fpsimd.c:1445:21: error: too many arguments to function call, expected single argument 'task', have 2 arguments sve_alloc(current, false); ~~~~~~~~~ ^~~~~ arch/arm64/include/asm/fpsimd.h:259:20: note: 'sve_alloc' declared here static inline void sve_alloc(struct task_struct *task) { } ^ 2 errors generated.
vim +/task +1394 arch/arm64/kernel/fpsimd.c
1374 1375 /* 1376 * Trapped SVE access 1377 * 1378 * Storage is allocated for the full SVE state, the current FPSIMD 1379 * register contents are migrated across, and the access trap is 1380 * disabled. 1381 * 1382 * TIF_SVE should be clear on entry: otherwise, fpsimd_restore_current_state() 1383 * would have disabled the SVE access trap for userspace during 1384 * ret_to_user, making an SVE access trap impossible in that case. 1385 */ 1386 void do_sve_acc(unsigned long esr, struct pt_regs *regs) 1387 { 1388 /* Even if we chose not to use SVE, the hardware could still trap: */ 1389 if (unlikely(!system_supports_sve()) || WARN_ON(is_compat_task())) { 1390 force_signal_inject(SIGILL, ILL_ILLOPC, regs->pc, 0); 1391 return; 1392 } 1393 > 1394 sve_alloc(current, true); 1395 if (!current->thread.sve_state) { 1396 force_sig(SIGKILL); 1397 return; 1398 } 1399 1400 get_cpu_fpsimd_context(); 1401 1402 if (test_and_set_thread_flag(TIF_SVE)) 1403 WARN_ON(1); /* SVE access shouldn't have trapped */ 1404 1405 /* 1406 * Even if the task can have used streaming mode we can only 1407 * generate SVE access traps in normal SVE mode and 1408 * transitioning out of streaming mode may discard any 1409 * streaming mode state. Always clear the high bits to avoid 1410 * any potential errors tracking what is properly initialised. 1411 */ 1412 sve_init_regs(); 1413 1414 put_cpu_fpsimd_context(); 1415 } 1416
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