Re: [PATCH 01/11] tty/sysrq: alpha: export and use __sysrq_get_key_op()

Guenter Roeck
2020-06-10T20:51:59Z

On Wed, May 13, 2020 at 10:43:41PM +0100, Emil Velikov wrote:
> Export a pointer to the sysrq_get_key_op(). This way we can cleanly
> unregister it, instead of the current solutions of modifuing it inplace.
>
> Since __sysrq_get_key_op() is no longer used externally, let's make it
> a static function.
>
> This patch will allow us to limit access to each and every sysrq op and
> constify the sysrq handling.
>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Jiri Slaby <jslaby@suse.com>
> Cc: linux-kernel@vger.kernel.org
> Cc: Richard Henderson <rth@twiddle.net>
> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
> Cc: Matt Turner <mattst88@gmail.com>
> Cc: linux-alpha@vger.kernel.org
> Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
> ---
> Please keep me in the CC list, as I'm not subscribed to the list.
>
> IMHO it would be better if this gets merged this via the tty tree.

Still observed:

Building alpha:defconfig ... failed
--------------
Error log:
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
arch/alpha/kernel/setup.c:434:13: error: initialization of 'void (*)(int)' from incompatible pointer type 'void (*)(void)' [-Werror=incompatible-pointer-types]
434 | .handler = machine_halt,
| ^~~~~~~~~~~~
arch/alpha/kernel/setup.c:434:13: note: (near initialization for 'srm_sysrq_reboot_op.handler')

I did not see a reply to the initial report. Is this being addressed ?

Guenter