On 11/21/20 6:26 AM, kernel test robot wrote:
Hi Palmer,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 27bba9c532a8d21050b94224ffd310ad0058c353
commit: d5be89a8d118a8e8d09cd74a921a808f17fbdd09 RISC-V: Resurrect the MMIO
timer implementation for M-mode systems
date: 9 weeks ago
config: riscv-randconfig-r034-20201121 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project
bec968cbb367dd03439c89c1d4ef968ef662d7c0)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d5be89a8d118a8e8d09cd74a921a808f17fbdd09
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout d5be89a8d118a8e8d09cd74a921a808f17fbdd09
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>
All errors (new ones prefixed by >>):
CONFIG_RISCV_M_MODE=y
and that prevents get_cycles64() in
arch/riscv/include/asm/timex.h from being visible.
I suppose that was intended?
drivers/clocksource/timer-riscv.c:28:16: error: implicit declaration of
function 'get_cycles64' [-Werror,-Wimplicit-function-declaration]
sbi_set_timer(get_cycles64() + delta);
^
drivers/clocksource/timer-riscv.c:28:16: note: did you mean 'get_cycles'?
arch/riscv/include/asm/timex.h:18:24: note: 'get_cycles' declared here
static inline cycles_t get_cycles(void)
^
drivers/clocksource/timer-riscv.c:47:9: error: implicit declaration of
function 'get_cycles64' [-Werror,-Wimplicit-function-declaration]
return get_cycles64();
^
drivers/clocksource/timer-riscv.c:52:9: error: implicit declaration of
function 'get_cycles64' [-Werror,-Wimplicit-function-declaration]
return get_cycles64();
^
7 warnings and 3 errors generated.
vim +/get_cycles64 +28 drivers/clocksource/timer-riscv.c
