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Date: Mon, 22 Jan 2024 16:32:15 +0800
From: yunhui cui <cuiyunhui@...edance.com>
To: Conor Dooley <conor@...nel.org>
Cc: paul.walmsley@...ive.com, palmer@...belt.com, aou@...s.berkeley.edu, 
	conor.dooley@...rochip.com, robh@...nel.org, sudeep.holla@....com, 
	pierre.gondois@....com, suagrfillet@...il.com, 
	linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [External] Re: [PATCH] RISC-V: cacheinfo: add init_cache_level()

Hi Conor,

On Mon, Jan 22, 2024 at 4:09 PM Conor Dooley <conor@...nel.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

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