linux-kernel - Re: [PATCH 06/14] sysctl: Add size to register

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Message-ID: <20230727122200.r5o2mj5qgah5yfwm@localhost>
Date:   Thu, 27 Jul 2023 14:22:00 +0200
From:   Joel Granados <j.granados@...sung.com>
To:     Luis Chamberlain <mcgrof@...nel.org>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Kees Cook <keescook@...omium.org>,
        Iurii Zaikin <yzaikin@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, <willy@...radead.org>,
        <josh@...htriplett.org>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-s390@...r.kernel.org>,
        <linux-fsdevel@...r.kernel.org>, <netdev@...r.kernel.org>
Subject: Re: [PATCH 06/14] sysctl: Add size to register_sysctl

On Wed, Jul 26, 2023 at 10:58:30AM -0700, Luis Chamberlain wrote:
> On Wed, Jul 26, 2023 at 04:06:26PM +0200, Joel Granados wrote:
> > In order to remove the end element from the ctl_table struct arrays, we
> > replace the register_syctl function with a macro that will add the
> > ARRAY_SIZE to the new register_sysctl_sz function. In this way the
> > callers that are already using an array of ctl_table structs do not have
> > to change. We *do* change the callers that pass the ctl_table array as a
> > pointer.
> 
> Thanks for doing this and this series!
> 
> > Signed-off-by: Joel Granados <j.granados@...sung.com>
> > ---
> > diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
> > index 0495c858989f..b1168ae281c9 100644
> > --- a/include/linux/sysctl.h
> > +++ b/include/linux/sysctl.h
> > @@ -215,6 +215,9 @@ struct ctl_path {
> >  	const char *procname;
> >  };
> >  
> > +#define register_sysctl(path, table)	\
> > +	register_sysctl_sz(path, table, ARRAY_SIZE(table))
> > +
> >  #ifdef CONFIG_SYSCTL
> 
> Wasn't it Greg who had suggested this? Maybe add Suggested-by with him
> on it.
Yes. I mentioned him in the cover letter and did not add the tag because
I had not asked for permission to use it. I'll drop him a mail and
include the suggested-by if he agrees.

> 
> Also, your cover letter and first few patches are not CC'd to the netdev
> list or others. What you want to do is collect all the email addresses
> for this small patch series and add them to who you email for your
> entire series, otherwise at times they won't be able to properly review
> or understand the exact context of the changes. You want folks to do less
> work to review, not more.
Here I wanted to avoid very big e-mail headers as I have received
rejections from lists in the past. But I for this set, the number of
e-mails is ok to just include everyone.

I'll do that for V2.
thx for your feedback

best

> 
> So please resend and add others to the other patches.
> 
>   Luis

-- 

Joel Granados

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