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From: Timur Tabi <timur@freescale.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linuxppc-dev@lists.ozlabs.org, alan@lxorguk.ukuu.org.uk,
	kumar.gala@freescale.com, benh@kernel.crashing.org,
	greg@kroah.com, akpm@kernel.org, cmetcalf@tilera.com,
	konrad.wilk@oracle.com, dsaxena@linaro.org,
	linux-kernel@vger.kernel.org, linux-console@vger.kernel.org
Subject: Re: [PATCH 7/7] [v4] drivers/virt: introduce Freescale hypervisor management driver
Date: Thu, 9 Jun 2011 13:55:17 -0500	[thread overview]
Message-ID: <4DF11715.5030001@freescale.com> (raw)
In-Reply-To: <201106090929.23671.arnd@arndb.de>

Arnd Bergmann wrote:
> Then get rid of all the code that takes apart the ioctl command numbers
> again and just do a switch/case based on the command.

I still need to keep that code to maintain binary compatibility with existing
applications that pass the union as a parameter.

I'll fix that after we've updated the applications.  But we have a
chicken-or-the-egg problem where we need the same application to work with the
new and old ioctl interface for a period of time.

-- 
Timur Tabi
Linux kernel developer at Freescale


WARNING: multiple messages have this Message-ID (diff)
From: Timur Tabi <timur@freescale.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: konrad.wilk@oracle.com, kumar.gala@freescale.com,
	linux-kernel@vger.kernel.org, cmetcalf@tilera.com,
	akpm@kernel.org, dsaxena@linaro.org,
	linux-console@vger.kernel.org, greg@kroah.com,
	linuxppc-dev@lists.ozlabs.org, alan@lxorguk.ukuu.org.uk
Subject: Re: [PATCH 7/7] [v4] drivers/virt: introduce Freescale hypervisor management driver
Date: Thu, 9 Jun 2011 13:55:17 -0500	[thread overview]
Message-ID: <4DF11715.5030001@freescale.com> (raw)
In-Reply-To: <201106090929.23671.arnd@arndb.de>

Arnd Bergmann wrote:
> Then get rid of all the code that takes apart the ioctl command numbers
> again and just do a switch/case based on the command.

I still need to keep that code to maintain binary compatibility with existing
applications that pass the union as a parameter.

I'll fix that after we've updated the applications.  But we have a
chicken-or-the-egg problem where we need the same application to work with the
new and old ioctl interface for a period of time.

-- 
Timur Tabi
Linux kernel developer at Freescale

WARNING: multiple messages have this Message-ID (diff)
From: Timur Tabi <timur@freescale.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: <linuxppc-dev@lists.ozlabs.org>, <alan@lxorguk.ukuu.org.uk>,
	<kumar.gala@freescale.com>, <benh@kernel.crashing.org>,
	<greg@kroah.com>, <akpm@kernel.org>, <cmetcalf@tilera.com>,
	<konrad.wilk@oracle.com>, <dsaxena@linaro.org>,
	<linux-kernel@vger.kernel.org>, <linux-console@vger.kernel.org>
Subject: Re: [PATCH 7/7] [v4] drivers/virt: introduce Freescale hypervisor management driver
Date: Thu, 9 Jun 2011 13:55:17 -0500	[thread overview]
Message-ID: <4DF11715.5030001@freescale.com> (raw)
In-Reply-To: <201106090929.23671.arnd@arndb.de>

Arnd Bergmann wrote:
> Then get rid of all the code that takes apart the ioctl command numbers
> again and just do a switch/case based on the command.

I still need to keep that code to maintain binary compatibility with existing
applications that pass the union as a parameter.

I'll fix that after we've updated the applications.  But we have a
chicken-or-the-egg problem where we need the same application to work with the
new and old ioctl interface for a period of time.

-- 
Timur Tabi
Linux kernel developer at Freescale


  reply	other threads:[~2011-06-09 18:55 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-08 22:45 [PATCH 7/7] [v4] drivers/virt: introduce Freescale hypervisor management driver Timur Tabi
2011-06-08 22:45 ` Timur Tabi
2011-06-08 23:10 ` Randy Dunlap
2011-06-08 23:10   ` Randy Dunlap
2011-06-08 23:10   ` Randy Dunlap
2011-06-08 23:16   ` Timur Tabi
2011-06-08 23:16     ` Timur Tabi
2011-06-08 23:16     ` Timur Tabi
2011-06-09  7:38   ` Arnd Bergmann
2011-06-09  7:38   ` Arnd Bergmann
2011-06-09  7:38     ` Arnd Bergmann
2011-06-09 16:32     ` Randy Dunlap
2011-06-09 16:32       ` Randy Dunlap
2011-06-09 16:36       ` Timur Tabi
2011-06-09 16:36       ` Timur Tabi
2011-06-09 16:36         ` Timur Tabi
2011-06-09 16:36         ` Timur Tabi
2011-06-09 16:42         ` Randy Dunlap
2011-06-09 16:42           ` Randy Dunlap
2011-06-09 16:48           ` Timur Tabi
2011-06-09 16:48             ` Timur Tabi
2011-06-09 16:48             ` Timur Tabi
2011-06-09 16:48           ` Timur Tabi
2011-06-09 16:42         ` Randy Dunlap
2011-06-09 16:32     ` Randy Dunlap
2011-06-10 14:17     ` Chris Metcalf
2011-06-10 14:17     ` Chris Metcalf
2011-06-10 14:17       ` Chris Metcalf
2011-06-10 14:17       ` Chris Metcalf
2011-06-10 15:36       ` Arnd Bergmann
2011-06-10 15:36       ` Arnd Bergmann
2011-06-10 15:36         ` Arnd Bergmann
2011-06-09  7:29 ` Arnd Bergmann
2011-06-09  7:29   ` Arnd Bergmann
2011-06-09 18:55   ` Timur Tabi [this message]
2011-06-09 18:55     ` Timur Tabi
2011-06-09 18:55     ` Timur Tabi
2011-06-09 20:20     ` Arnd Bergmann
2011-06-09 20:20       ` Arnd Bergmann
2011-06-09 20:24       ` Timur Tabi
2011-06-09 20:24         ` Timur Tabi
2011-06-09 20:24         ` Timur Tabi

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