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Subject[ammarfaizi2-block:palmer/linux/riscv-compat 13/20] arch/riscv/kernel/process.c:102:35: error: use of undeclared identifier 'SR_UXL'
tree:   https://github.com/ammarfaizi2/linux-block palmer/linux/riscv-compat
head: ab7e33a6b819f009c3c9ccf69b2f44c1ad84a5a0
commit: d463ff83f0d26ce352a0969c86a9accf70d30977 [13/20] riscv: compat: process: Add UXL_32 support in start_thread
config: riscv-randconfig-r005-20220308 (https://download.01.org/0day-ci/archive/20220308/202203082040.sCWBscgE-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
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 riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://github.com/ammarfaizi2/linux-block/commit/d463ff83f0d26ce352a0969c86a9accf70d30977
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block palmer/linux/riscv-compat
git checkout d463ff83f0d26ce352a0969c86a9accf70d30977
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

arch/riscv/kernel/process.c:101:6: error: implicit declaration of function 'is_compat_task' [-Werror,-Wimplicit-function-declaration]
if (is_compat_task())
^
>> arch/riscv/kernel/process.c:102:35: error: use of undeclared identifier 'SR_UXL'
regs->status = (regs->status & ~SR_UXL) | SR_UXL_32;
^
>> arch/riscv/kernel/process.c:102:45: error: use of undeclared identifier 'SR_UXL_32'
regs->status = (regs->status & ~SR_UXL) | SR_UXL_32;
^
arch/riscv/kernel/process.c:104:35: error: use of undeclared identifier 'SR_UXL'
regs->status = (regs->status & ~SR_UXL) | SR_UXL_64;
^
>> arch/riscv/kernel/process.c:104:45: error: use of undeclared identifier 'SR_UXL_64'
regs->status = (regs->status & ~SR_UXL) | SR_UXL_64;
^
5 errors generated.


vim +/SR_UXL +102 arch/riscv/kernel/process.c

85
86 void start_thread(struct pt_regs *regs, unsigned long pc,
87 unsigned long sp)
88 {
89 regs->status = SR_PIE;
90 if (has_fpu()) {
91 regs->status |= SR_FS_INITIAL;
92 /*
93 * Restore the initial value to the FP register
94 * before starting the user program.
95 */
96 fstate_restore(current, regs);
97 }
98 regs->epc = pc;
99 regs->sp = sp;
100
101 if (is_compat_task())
> 102 regs->status = (regs->status & ~SR_UXL) | SR_UXL_32;
103 else
> 104 regs->status = (regs->status & ~SR_UXL) | SR_UXL_64;
105 }
106

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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