linux-kernel - Re: [PATCH v2] Documentation: livepatch: Add livepatch API page

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Message-ID: <YcBn2mk2hUp4Zt0s@alley>
Date:   Mon, 20 Dec 2021 12:24:10 +0100
From:   Petr Mladek <pmladek@...e.com>
To:     David Vernet <void@...ifault.com>
Cc:     live-patching@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, jpoimboe@...hat.com, jikos@...nel.org,
        mbenes@...e.cz, joe.lawrence@...hat.com, corbet@....net
Subject: Re: [PATCH v2] Documentation: livepatch: Add livepatch API page

On Thu 2021-12-16 07:00:38, David Vernet wrote:
> Petr Mladek <pmladek@...e.com> wrote on Thu [2021-Dec-16 10:57:04 +0100]:
> 
> > This change is not good. The function releases all existing shadow
> > variables with the given @id for any @obj. And it is not longer clear.
> 
> > A solution would be replace '*' with something else, for example, < , id>.
> 
> I think this is better than just obj, but in my opinion this may be confusing
> for readers and look like a typo. I think I prefer your second suggestion,
> though obj really makes more sense in the case where we're actually passing an
> @obj to the function. I'll probably (deservedly?) get lambasted for suggesting
> this, but what about taking a page out of rust's book and doing something like
> this:
> 
>   * klp_shadow_free_all() - detach and free all <_, id> shadow variables
>   *		with the given @id.
> 
> to indicate that in this case we don't care about the obj. Even for a reader
> unfamiliar with rust, hopefully it would get the point across.

<_, id> looks good to me. And I not even familiar with rust ;-)

Best Regards,
Petr