From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: "Uwe Kleine-König" <u.kleine-koenig@baylibre.com>
Cc: Matthias Maennich <maennich@google.com>,
Jonathan Corbet <corbet@lwn.net>,
Masahiro Yamada <masahiroy@kernel.org>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] doc: module: Fix documented type of namespace
Date: Thu, 5 Dec 2024 21:04:50 +0200 [thread overview]
Message-ID: <Z1H5UqN-egUs0GhJ@smile.fi.intel.com> (raw)
In-Reply-To: <mfgqf5xpjnyud3qm4hwycbnz23mfik4pzry3h7fi2k6khokbgd@facrmygrrqnh>
On Thu, Dec 05, 2024 at 11:55:54AM +0100, Uwe Kleine-König wrote:
> On Thu, Dec 05, 2024 at 09:50:18AM +0200, Andy Shevchenko wrote:
> > On Wed, Dec 04, 2024 at 11:01:10AM +0100, Uwe Kleine-König wrote:
> > > Since commit cdd30ebb1b9f ("module: Convert symbol namespace to string
> > > literal") the namespace has to be a string. Fix accordingly.
> >
> > > In addition to the macros EXPORT_SYMBOL() and EXPORT_SYMBOL_GPL(), that allow
> > > exporting of kernel symbols to the kernel symbol table, variants of these are
> > > available to export symbols into a certain namespace: EXPORT_SYMBOL_NS() and
> > > -EXPORT_SYMBOL_NS_GPL(). They take one additional argument: the namespace.
> > > -Please note that due to macro expansion that argument needs to be a
> > > -preprocessor symbol. E.g. to export the symbol ``usb_stor_suspend`` into the
> > > +EXPORT_SYMBOL_NS_GPL(). They take one additional argument: the namespace as a
> > > +C-string. E.g. to export the symbol ``usb_stor_suspend`` into the
> >
> > But C-string is ambiguous. Is it now okay to use
> >
> > static const char *p = "my constant C-string";
> >
> > EXPORT_...(, p);
>
> I didn't test that, but I guess that won't work. While you could argue
> that p isn't a C-string but a pointer, I agree that the wording isn't
> optimal.
>
> So maybe make that:
>
> ... the namespace as a string constant.
...a string literal.
?
> ?
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2024-12-05 19:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-04 10:01 [PATCH 0/2] doc: module: Two clearifications Uwe Kleine-König
2024-12-04 10:01 ` [PATCH 1/2] doc: module: Fix documented type of namespace Uwe Kleine-König
2024-12-04 10:38 ` Jani Nikula
2024-12-05 3:58 ` Masahiro Yamada
2024-12-05 7:50 ` Andy Shevchenko
2024-12-05 10:55 ` Uwe Kleine-König
2024-12-05 19:04 ` Andy Shevchenko [this message]
2024-12-06 14:45 ` Uwe Kleine-König
2024-12-06 15:21 ` Andy Shevchenko
2024-12-30 10:45 ` Masahiro Yamada
2024-12-04 10:01 ` [PATCH 2/2] doc: module: DEFAULT_SYMBOL_NAMESPACE must be defined before #includes Uwe Kleine-König
2024-12-05 7:52 ` Andy Shevchenko
2024-12-05 11:21 ` Uwe Kleine-König
2024-12-05 19:21 ` Andy Shevchenko
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