linux-kernel - Re: [PATCH v2 0/8] Drop support for Renesas H8/300 architecture

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Date:	Tue, 3 Sep 2013 13:59:22 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Al Viro <viro@...IV.linux.org.uk>
Cc:	Chen Gang F T <chen.gang.flying.transformer@...il.com>,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	netdev@...r.kernel.org, linux-watchdog@...r.kernel.org,
	Wim Van Sebroeck <wim@...ana.be>,
	"David S. Miller" <davem@...emloft.net>,
	Yoshinori Sato <ysato@...rs.sourceforge.jp>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Eric Paris <eparis@...hat.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiang Liu <jiang.liu@...wei.com>,
	David Howells <dhowells@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v2 0/8] Drop support for Renesas H8/300 architecture

On Tue, Sep 03, 2013 at 08:39:38PM +0100, Al Viro wrote:
> On Tue, Sep 03, 2013 at 11:52:17AM +0800, Chen Gang F T wrote:
> 
> >   extreme sample: let 'kernel code style' and 'gcc code style' in one file, that will make the code very ugly.
> 
> gcc style will make any code very ugly, no matter what (if anything) else is
> in the same file...
> 
> [digs out the ports history table]
> x86:		0.01			[alive]
> 	i386:		0.01..2.6.24-rc1 [folded into x86]
> 	x86_64:		2.5.5-pre1..2.6.24-rc1 [folded into x86]
> 	x86:		2.6.24-rc1		[alive]
> alpha:		1.1.67			[alive]
> sparc:		1.1.77			[alive]
> 	sparc64:	2.1.19..2.6.28 [folded into sparc]
> mips:		1.1.82			[alive]
> 	mips64:		2.3.48-pre2..2.6.0-test2 [folded into mips]
> powerpc:	1.3.45			[alive]
> 	ppc:    	1.3.45..2.6.26 [folded into powerpc]
> 	ppc64:		2.5.5..2.6.15-rc1 [folded into powerpc]
> 	powerpc:	2.6.15-rc1		[alive]
> m68k:		1.3.94			[alive]
> 	m68knommu:	2.5.46..2.6.38 [folded into m68k]
> arm:		2.1.80			[alive]
> 	arm26:		2.5.71..2.6.23-rc2 [gone]
> 	arm64:		3.7-rc1			[alive][might eventually fold]
> sh:		2.3.16			[alive]
> 	sh64:		2.6.8-rc1..2.6.24 [folded into sh, nearly dead there]
> ia64:		2.3.43-pre1		[alive]
> s390:		2.3.99pre8		[alive]
> 	s390x:		2.5.0..2.5.67 [folded into s390]
> parisc:		2.4.0-test12		[alive]
> cris:		2.5.0			[alive]
> um:		2.5.35			[alive]
> v850:		2.5.46..2.6.26 [gone]
> h8300:		2.5.68			[moderately responsive]
> m32r:		2.6.9-rc3		[alive]
> frv:		2.6.11-rc1		[alive]
> xtensa:		2.6.13-rc1		[alive]
> avr32:		2.6.19-rc1		[alive]
> blackfin:	2.6.22-rc1		[alive]
> mn10300:	2.6.25-rc1		[alive]
> microblaze:	2.6.30-rc2		[alive]
> score:		2.6.32-rc1		[abandoned][cloned off mips]
> tile:		2.6.36-rc1		[alive]
> unicore32:	2.6.39-rc1		[alive][cloned off arm]
> openrisc:	3.1-rc1			[alive]
> hexagon:	3.2-rc1			[alive]
> c6x:		3.3-rc1			[alive]
> arc:		3.9-rc1			[alive]
> metag:		3.9-rc1			[alive]
> 
> Frankly, I would've expected score and lefotvers of sh64 (aka sh5) to be
> the first against the wall - h8300 was a bit surprising...
> 

Great summary.

There seemed to be a consensus to remove h8300, at least so far and sufficiently
enough for me to ask Stephen to add the removal branch to linux-next.
We'll see if that triggers any further responses.

With score, I am not entirely sure. I got one Ack for the removal, but
on the other side the score maintainers came back and claimed they would
still support it. We'll see if anything changes in practice. I am still
not sure if I should ask for the removal branch to be added to linux-next.
Frankly I thought I might jump the gun here more than with h8300.

Either case, what to ultimately do with those two architectures will be
up to the community to decide.

Guenter
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