On 11/27/23 22:22, Dan Carpenter wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> master
> head: 2cc14f52aeb78ce3f29677c2de1f06c0e91471ab
> commit: fad84e39f116035ae8d550c6020107b8ac113b45 ARC: boot log: eliminate
> struct cpuinfo_arc #4: boot log per ISA
> config: arc-randconfig-r071-20231128
> (https://download.01.org/0day-ci/archive/20231128/202311280906.vaiweaft-...@intel.com/config)
> compiler: arceb-elf-gcc (GCC) 13.2.0
> reproduce:
> (https://download.01.org/0day-ci/archive/20231128/202311280906.vaiweaft-...@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 <l...@intel.com>
> | Reported-by: Dan Carpenter <erro...@gmail.com>
> | Closes: https://lore.kernel.org/r/202311280906.vaiweaft-...@intel.com/
>
> New smatch warnings:
> arch/arc/kernel/setup.c:203 arcv2_mumbojumbo() error: uninitialized symbol
> 'release'.
Thx, I've posted a fix.
> Old smatch warnings:
> arch/arc/include/asm/thread_info.h:62 current_thread_info() error:
> uninitialized symbol 'sp'.
This seems like a false warning. Its a register variable and thus can't
possibly be initialized.
static inline __attribute_const__ struct thread_info
*current_thread_info(void)
{
register unsigned long sp asm("sp");
return (struct thread_info *)(sp & ~(THREAD_SIZE - 1));
}
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