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

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Date: Fri, 28 Jul 2023 09:41:46 +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 Thu, Jul 27, 2023 at 08:42:02AM -0700, Luis Chamberlain wrote:
> On Thu, Jul 27, 2023 at 02:22:00PM +0200, Joel Granados wrote:
> > 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.
> 
> FWIW, I never ask, if they ask for it, clearly they suggested it.
I was following Documentation/process/submitting-patches.rst:
"... Please note that this tag should not be added without the
reporter's permission... ".
In any case, Greg has already said yes :)

> 
> > > 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 hear that from time to time, if you have issues with adding folks on
> the To address it may be an SMTP server issue, ie, corp email SMTP
> server issues. To fix that I avoid corp email SMTP servers.
My experience was more from the lists rejecting the e-mail because the
header was too big. With that said, I'll look into SMTP alternatives to
reduce possible errors

> 
>   Luis

-- 

Joel Granados

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