From: Randy Dunlap <rdunlap@infradead.org>
To: Dmitry Safonov <dima@arista.com>, linux-kernel@vger.kernel.org
Cc: Dmitry Safonov <0x7f454c46@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jslaby@suse.com>,
Vasiliy Khoruzhick <vasilykh@arista.com>,
linux-serial@vger.kernel.org
Subject: Re: [PATCH-next 3/3] serial/sysrq: Add MAGIC_SYSRQ_SERIAL_SEQUENCE
Date: Thu, 9 Jan 2020 15:53:14 -0800 [thread overview]
Message-ID: <9e622d11-0eb7-274e-8f0a-132d296420fe@infradead.org> (raw)
In-Reply-To: <20200109215444.95995-4-dima@arista.com>
Hi,
On 1/9/20 1:54 PM, Dmitry Safonov wrote:
>
> Based-on-patch-by: Vasiliy Khoruzhick <vasilykh@arista.com>
> Signed-off-by: Dmitry Safonov <dima@arista.com>
> ---
> drivers/tty/serial/serial_core.c | 52 ++++++++++++++++++++++++++++----
> include/linux/serial_core.h | 2 +-
> lib/Kconfig.debug | 8 +++++
> 3 files changed, 55 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
> index 6ac9dfed3423..f70eba032d0b 100644
> --- a/drivers/tty/serial/serial_core.c
> +++ b/drivers/tty/serial/serial_core.c
> @@ -3081,6 +3081,38 @@ void uart_insert_char(struct uart_port *port, unsigned int status,
> }
> EXPORT_SYMBOL_GPL(uart_insert_char);
>
> +const char sysrq_toggle_seq[] = CONFIG_MAGIC_SYSRQ_SERIAL_SEQUENCE;
> +
> +static void uart_sysrq_on(struct work_struct *w)
> +{
> + sysrq_toggle_support(1);
> + pr_info("SysRq is enabled by magic sequience on serial\n");
typo: sequence
> +}
> +static DECLARE_WORK(sysrq_enable_work, uart_sysrq_on);
--
~Randy
next prev parent reply other threads:[~2020-01-09 23:53 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-09 21:54 [PATCH-next 0/3] serial/sysrq: Add MAGIC_SYSRQ_SERIAL_SEQUENCE Dmitry Safonov
2020-01-09 21:54 ` [PATCH-next 1/3] serial_core: Move sysrq functions from header file Dmitry Safonov
2020-01-10 16:50 ` Greg Kroah-Hartman
2020-01-09 21:54 ` [PATCH-next 2/3] sysctl/sysrq: Remove __sysrq_enabled copy Dmitry Safonov
2020-01-10 3:19 ` Iurii Zaikin
2020-01-10 21:48 ` Dmitry Safonov
2020-01-10 16:40 ` Greg Kroah-Hartman
2020-01-10 21:45 ` Dmitry Safonov
2020-01-10 22:01 ` Greg Kroah-Hartman
2020-01-09 21:54 ` [PATCH-next 3/3] serial/sysrq: Add MAGIC_SYSRQ_SERIAL_SEQUENCE Dmitry Safonov
2020-01-09 23:53 ` Randy Dunlap [this message]
2020-01-10 22:02 ` Dmitry Safonov
2020-01-10 16:46 ` Greg Kroah-Hartman
2020-01-10 22:32 ` Dmitry Safonov
2020-01-14 19:10 ` Dmitry Safonov
2020-01-15 12:42 ` Greg Kroah-Hartman
2020-01-10 16:50 ` Joe Perches
2020-01-10 22:10 ` Dmitry Safonov
2020-01-11 14:08 ` Joe Perches
2020-01-10 19:01 ` kbuild test robot
2020-01-10 19:01 ` kbuild test robot
2020-01-10 19:20 ` kbuild test robot
2020-01-10 19:20 ` kbuild test robot
2020-01-11 10:52 ` kbuild test robot
2020-01-11 10:52 ` kbuild test robot
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