linux-kernel - Re: [PATCH LINUX v3 05/10] tty: xuartps: Improve startup function

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <56631D1E.8050406@hurleysoftware.com>
Date:	Sat, 5 Dec 2015 12:21:34 -0500
From:	Peter Hurley <peter@...leysoftware.com>
To:	Soren Brinkmann <soren.brinkmann@...inx.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Jiri Slaby <jslaby@...e.com>,
	Michal Simek <michal.simek@...inx.com>,
	linux-serial@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH LINUX v3 05/10] tty: xuartps: Improve startup function

On 11/21/2015 09:59 PM, Soren Brinkmann wrote:
> The startup function is supposed to initialize the UART for receiving.
> Hence, don't enable the TX part. Also, protect HW accesses with the port
> lock.

Reviewed-by: Peter Hurley <peter@...leysoftware.com>

NB: the request_irq() should be _after_ h/w programming, otherwise an
interrupt could be triggered and in-progress before the h/w has been
setup.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/