linux-kernel - Re: [PATCH v4 41/52] docs: kgdb.rst: fix :c:type: usages

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Message-ID: <20201001112910.rknvq3gswwdvhmkx@holly.lan>
Date:   Thu, 1 Oct 2020 12:29:10 +0100
From:   Daniel Thompson <daniel.thompson@...aro.org>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Jonathan Corbet <corbet@....net>,
        Douglas Anderson <dianders@...omium.org>,
        Jason Wessel <jason.wessel@...driver.com>,
        kgdb-bugreport@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 41/52] docs: kgdb.rst: fix :c:type: usages

On Wed, Sep 30, 2020 at 03:25:04PM +0200, Mauro Carvalho Chehab wrote:
> Which Sphinx 3, :c:type:  can't be used anymore for structs,
> as this should be used only for typedefs.
> 
> Rely on automarkup.py for struct references.
> 
> This file has an special case, though: it uses the tag also
> to point to an array. Let's use, instead, :c:expr: for such
> purpose, as it should do the right thing.
> 
> This should fix this warning:
> 
> 	./Documentation/dev-tools/kgdb.rst:875: WARNING: Unparseable C cross-reference: 'kdb_poll_funcs[]'
> 	Invalid C declaration: Expected end of definition. [error at 14]
> 	  kdb_poll_funcs[]
> 	  --------------^
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>

Acked-by: Daniel Thompson <daniel.thompson@...aro.org>


Daniel.


> ---
>  Documentation/dev-tools/kgdb.rst | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/dev-tools/kgdb.rst b/Documentation/dev-tools/kgdb.rst
> index c908ef4d3f04..77b688e6a254 100644
> --- a/Documentation/dev-tools/kgdb.rst
> +++ b/Documentation/dev-tools/kgdb.rst
> @@ -726,7 +726,7 @@ The kernel debugger is organized into a number of components:
>     -  contains an arch-specific trap catcher which invokes
>        kgdb_handle_exception() to start kgdb about doing its work
>  
> -   -  translation to and from gdb specific packet format to :c:type:`pt_regs`
> +   -  translation to and from gdb specific packet format to struct pt_regs
>  
>     -  Registration and unregistration of architecture specific trap
>        hooks
> @@ -846,7 +846,7 @@ invokes a callback in the serial core which in turn uses the callback in
>  the UART driver.
>  
>  When using kgdboc with a UART, the UART driver must implement two
> -callbacks in the :c:type:`struct uart_ops <uart_ops>`.
> +callbacks in the struct uart_ops.
>  Example from ``drivers/8250.c``::
>  
>  
> @@ -875,7 +875,7 @@ kernel when ``CONFIG_KDB_KEYBOARD=y`` is set in the kernel configuration.
>  The core polled keyboard driver for PS/2 type keyboards is in
>  ``drivers/char/kdb_keyboard.c``. This driver is hooked into the debug core
>  when kgdboc populates the callback in the array called
> -:c:type:`kdb_poll_funcs[]`. The kdb_get_kbd_char() is the top-level
> +:c:expr:`kdb_poll_funcs[]`. The kdb_get_kbd_char() is the top-level
>  function which polls hardware for single character input.
>  
>  kgdboc and kms
> -- 
> 2.26.2
>