linux-kernel - Re: [PATCH v5 0/11] Merge ram

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Message-ID: <20120614003542.GA31573@lizard>
Date:	Wed, 13 Jun 2012 17:35:42 -0700
From:	Anton Vorontsov <anton.vorontsov@...aro.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	John Stultz <john.stultz@...aro.org>,
	Kees Cook <keescook@...omium.org>,
	Colin Cross <ccross@...roid.com>,
	Tony Luck <tony.luck@...el.com>, Arnd Bergmann <arnd@...db.de>,
	Shuah Khan <shuahkhan@...il.com>, arve@...roid.com,
	Rebecca Schultz Zavin <rebecca@...roid.com>,
	Jesper Juhl <jj@...osbits.net>,
	Randy Dunlap <rdunlap@...otime.net>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Thomas Meyer <thomas@...3r.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Marco Stornelli <marco.stornelli@...il.com>,
	WANG Cong <xiyou.wangcong@...il.com>,
	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
	linaro-kernel@...ts.linaro.org, patches@...aro.org,
	kernel-team@...roid.com
Subject: Re: [PATCH v5 0/11] Merge ram_console into pstore

On Wed, Jun 13, 2012 at 05:20:05PM -0700, Greg Kroah-Hartman wrote:
> On Wed, Jun 13, 2012 at 05:12:14PM -0700, John Stultz wrote:
> > On 06/13/2012 05:05 PM, Greg Kroah-Hartman wrote:
> > >On Sat, May 26, 2012 at 06:17:48AM -0700, Anton Vorontsov wrote:
> > >>The old ram_console driver is removed. This might probably cause
> > >>some pain for out-of-tree code, as it would need to be adjusted...
> > >>but "no pain, no gain"? :-) Though, if there's some serious resistance,
> > >>we can probably postpone the last two patches.
> > >What out-of-tree code would care about this?
> > I think he's referring to the persistent_ftrace work in the Android tree.

Oh, well.. that too, true. Thanks John!

> > Anton did send out patches to try to get equivalent functionality
> > working with pstore, but I don't know if Colin or anyone else from
> > the Android team has had a chance to review it and make sure its
> > sufficient.
> 
> I thought Colin did review these, as I see his acked-by on a number of
> these patches...

Yup, and these patches are all fine. John is just saying that some
removed functions are still used by the persistent_ftrace code, which
is out-of-tree (it is in Android kernel git tree only).

But we're going to replace persistent_ftrace by pstore/ftrace, and
the patches were posted already; so functinality-wise, we didn't
lose anything.

Thanks,

-- 
Anton Vorontsov
Email: cbouatmailru@...il.com
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