[External] Re: [PATCH] RISC-V: cacheinfo: add init_cache_level()

[yunhui cui]

Hi Conor,

On Mon, Jan 22, 2024 at 4:09 PM Conor Dooley <conor at kernel.org> wrote:
>
> On Mon, Jan 22, 2024 at 09:35:10AM +0800, Yunhui Cui wrote:
> > When cacheinfo_sysfs_init() is executed, the general weak function
> > init_cache_level() returns -ENOENT, causing failure to add the "cache"
> > node to /sys/devices/system/cpu/cpux/. Implement the init_cache_level()
> > function on RISC-V to fix it.
>
> If you recall correctly, I asked you to explain how to reproduce this
> when you sent the patch.

In fact, the reason has been explained in the commit log. As for how
to reproduce it, you can check whether there is a "cache" node in
/sys/devices/system/cpu/cpux/ on the riscv platform.

Thanks,
Yunhui