linux-kernel - Re: [Nios2-dev] [PATCH 1/2] serial: Add driver for the Altera JTAG UART

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: <20100506121700.0e4625de@lxorguk.ukuu.org.uk>
Date:	Thu, 6 May 2010 12:17:00 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Ian Abbott <abbotti@....co.uk>
Cc:	"nios2-dev@...c.et.ntust.edu.tw" <nios2-dev@...c.et.ntust.edu.tw>,
	"linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
	"gregkh@...e.de" <gregkh@...e.de>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"sfr@...b.auug.org.au" <sfr@...b.auug.org.au>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Nios2-dev] [PATCH 1/2] serial: Add driver for the Altera JTAG
 UART

> I was originally responsible for adding the spin locks to these console
> putc functions, but I'm not sure what the policy is regarding that, as
> the 8250 driver doesn't use them for console output for example.

For the console it depends if you need them for internal consistency as I
understand the codebase. For the core stuff it currently protects
port->port.tty against a hangup which would drop the tty under you.

--
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/