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Date: Thu, 26 Oct 2023 07:39:44 -0400
From: James Bottomley <James.Bottomley@...senPartnership.com>
To: Christoph Hellwig <hch@....de>, Kees Cook <keescook@...omium.org>
Cc: Justin Stitt <justinstitt@...gle.com>, Keith Busch <kbusch@...nel.org>, 
 Jens Axboe <axboe@...nel.dk>, Sagi Grimberg <sagi@...mberg.me>,
 linux-nvme@...ts.infradead.org,  linux-kernel@...r.kernel.org,
 linux-hardening@...r.kernel.org,  ksummit@...ts.linux.dev
Subject: Re: the nul-terminated string helper desk chair rearrangement

On Thu, 2023-10-26 at 12:01 +0200, Christoph Hellwig wrote:
> > > There's some docs at [1]. Perhaps there could be more?
> > > 
> > > [1]:
> > > https://elixir.bootlin.com/linux/v6.6-rc6/source/include/linux/fortify-string.h#L292
> > 
> > Right, And it's even valid kern-doc, which gets rendered in the
> > kernel API docs, along with all the other string functions:
> > https://docs.kernel.org/core-api/kernel-api.html#c.strscpy
> 
> Well, I never use the generated kerneldoc because it's much harder
> than just grepping the tree, but indeed it exists even if it's hidden
> in the most obsfucated way.  But at least I know now!

This, honestly, is one of the really annoying problems of kerneldoc. 
When looking for structures or functions

git grep "<function> -"

usually finds it.  However, I recently asked on linux-scsi if we could
point to the doc about system_state and what it meant.  However, either
we all suck or there's no such documentation because no-one could find
it.

While it's nice in theory to have everything documented, it's not much
use if no one can actually find the information ...

James


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