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From: Timur Tabi <timur@freescale.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: kumar.gala@freescale.com, linux-kernel@vger.kernel.org,
	akpm@kernel.org, linux-console@vger.kernel.org, greg@kroah.com,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 6/7] tty/powerpc: introduce the ePAPR embedded hypervisor byte channel driver
Date: Thu, 19 May 2011 10:54:03 -0500	[thread overview]
Message-ID: <4DD53D1B.4060600@freescale.com> (raw)
In-Reply-To: <20110519165039.7fd8ec34@lxorguk.ukuu.org.uk>

Alan Cox wrote:
>>> > > The kfifo API is probably faster and cleaner. Much of tty still uses
>>> > > CIRC_* because they predate the new APIs.
>> > 
>> > Ok, I'll change it.
> I flag that one up as a general comment - don't feel you need to change
> it if CIRC_* works in your case.

CIRC_* does work for me, so I'll keep it as-is.

>>> > > I guess the only other thing to consider is whether you want to implement
>>> > > a SYSRQ interface on your console ?
>> > 
>> > I don't think byte channels can support SYSRQ, but I'll look into it.

> What some drivers do in this case is nominate some obscure ctrl sequence
> to mean 'sysrq' unless doubled (eg ctrl-^ etc)

Ok, I can do that.

> Depends if the functionality is useful in your environment or not

It is, but I'd like to add it later so that I can make the 2.6.40 window (if it
isn't already too late).


-- 
Timur Tabi
Linux kernel developer at Freescale

  reply	other threads:[~2011-05-19 15:54 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-19 13:54 [PATCH 0/7] This patchset adds support for running Linux under the Freescale hypervisor, Timur Tabi
2011-05-19 13:54 ` [PATCH 1/7] powerpc: make irq_choose_cpu() available to all PIC drivers Timur Tabi
2011-06-22 11:41   ` Kumar Gala
2011-05-19 13:54 ` [PATCH 2/7] powerpc: introduce ePAPR embedded hypervisor hcall interface Timur Tabi
2011-06-22 11:41   ` Kumar Gala
2011-05-19 13:54 ` [PATCH 3/7] powerpc: introduce the ePAPR embedded hypervisor vmpic driver Timur Tabi
2011-06-22 11:41   ` Kumar Gala
2011-05-19 13:54 ` [PATCH 4/7] powerpc: add Freescale hypervisor partition control functions Timur Tabi
2011-06-22 11:41   ` Kumar Gala
2011-05-19 13:54 ` [PATCH 5/7] powerpc/85xx: add board support for the Freescale hypervisor Timur Tabi
2011-06-22 11:42   ` Kumar Gala
2011-05-19 13:54 ` [PATCH 6/7] tty/powerpc: introduce the ePAPR embedded hypervisor byte channel driver Timur Tabi
2011-05-19 14:22   ` Greg KH
2011-05-19 14:27     ` Timur Tabi
2011-05-19 14:36     ` Alan Cox
2011-05-19 14:33   ` Alan Cox
2011-05-19 15:14     ` Timur Tabi
2011-05-19 15:50       ` Alan Cox
2011-05-19 15:54         ` Timur Tabi [this message]
2011-05-19 16:00           ` Alan Cox
2011-05-19 16:02           ` Greg KH
2011-05-19 16:18             ` Timur Tabi
2011-05-19 16:05     ` Timur Tabi
2011-05-20  9:54       ` Alan Cox
2011-05-19 16:31     ` Timur Tabi
2011-05-19 17:25       ` Alan Cox
2011-05-19 15:02   ` Arnd Bergmann
2011-05-19 15:09     ` Timur Tabi
2011-05-19 13:54 ` [PATCH 7/7] drivers/misc: introduce Freescale hypervisor management driver Timur Tabi
2011-05-19 13:56 ` [PATCH 0/7] This patchset adds support for running Linux under the Freescale hypervisor, Timur Tabi
2011-05-20 20:29 ` Kumar Gala
2011-05-23 21:09   ` Tabi Timur-B04825
2011-05-23 22:27     ` Kumar Gala

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