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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: David Woodhouse <dwmw2@infradead.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
	Linux Kernel list <linux-kernel@vger.kernel.org>,
	linuxppc-dev list <linuxppc-dev@ozlabs.org>,
	Linus Torvalds <torvalds@osdl.org>,
	Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH] raid6: altivec support
Date: Thu, 20 Jan 2005 10:25:29 +1100	[thread overview]
Message-ID: <1106177129.5327.43.camel@gaston> (raw)
In-Reply-To: <1106146083.26551.526.camel@hades.cambridge.redhat.com>

On Wed, 2005-01-19 at 14:48 +0000, David Woodhouse wrote:
> On Wed, 2005-01-19 at 08:45 -0600, Kumar Gala wrote:
> > We did talk about looking at using some work Ben did in ppc64 with OF 
> > in ppc32.  John Masters was looking into this, but I havent heard much
> > from him on it lately.
> > 
> > The firmware interface on the ppc32 embedded side is some what broken 
> > in my mind.
> 
> The binary structure which changes every few weeks and which is shared
> between the bootloader and the kernel? Yeah, "somewhat broken" is one
> way of putting it :)
> 
> The ARM kernel does it a lot better with tag,value pairs.

And ppc64 adds a flattened device-tree format, even better imho :)

Ben.

WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: David Woodhouse <dwmw2@infradead.org>
Cc: Kumar Gala <kumar.gala@freescale.com>,
	Paul Mackerras <paulus@samba.org>,
	Jon Masters <jonathan@jonmasters.org>, Olaf Hering <olh@suse.de>,
	Linus Torvalds <torvalds@osdl.org>,
	linuxppc-dev list <linuxppc-dev@ozlabs.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] raid6: altivec support
Date: Thu, 20 Jan 2005 10:25:29 +1100	[thread overview]
Message-ID: <1106177129.5327.43.camel@gaston> (raw)
In-Reply-To: <1106146083.26551.526.camel@hades.cambridge.redhat.com>

On Wed, 2005-01-19 at 14:48 +0000, David Woodhouse wrote:
> On Wed, 2005-01-19 at 08:45 -0600, Kumar Gala wrote:
> > We did talk about looking at using some work Ben did in ppc64 with OF 
> > in ppc32.  John Masters was looking into this, but I havent heard much
> > from him on it lately.
> > 
> > The firmware interface on the ppc32 embedded side is some what broken 
> > in my mind.
> 
> The binary structure which changes every few weeks and which is shared
> between the bootloader and the kernel? Yeah, "somewhat broken" is one
> way of putting it :)
> 
> The ARM kernel does it a lot better with tag,value pairs.

And ppc64 adds a flattened device-tree format, even better imho :)

Ben.



  parent reply	other threads:[~2005-01-19 23:26 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200501082324.j08NOIva030415@hera.kernel.org>
2005-01-09 15:13 ` [PATCH] raid6: altivec support Olaf Hering
2005-01-17 10:16   ` David Woodhouse
2005-01-17 10:16     ` David Woodhouse
2005-01-17 14:58     ` Kumar Gala
2005-01-17 14:58       ` Kumar Gala
2005-01-19  4:11     ` Benjamin Herrenschmidt
2005-01-19  4:11       ` Benjamin Herrenschmidt
2005-01-19  7:43       ` David Woodhouse
2005-01-19  7:43         ` David Woodhouse
2005-01-19  9:41         ` Paul Mackerras
2005-01-19  9:41           ` Paul Mackerras
2005-01-20 17:55           ` Tom Rini
2005-01-20 17:55             ` Tom Rini
2005-01-19 14:45         ` Kumar Gala
2005-01-19 14:45           ` Kumar Gala
2005-01-19 14:48           ` David Woodhouse
2005-01-19 14:48             ` David Woodhouse
2005-01-19 14:54             ` Kumar Gala
2005-01-19 14:54               ` Kumar Gala
2005-01-19 15:08             ` Geert Uytterhoeven
2005-01-19 15:08               ` Geert Uytterhoeven
2005-01-19 15:15               ` Kumar Gala
2005-01-19 15:15                 ` Kumar Gala
2005-01-19 15:27                 ` Geert Uytterhoeven
2005-01-19 15:27                   ` Geert Uytterhoeven
2005-01-19 23:25             ` Benjamin Herrenschmidt [this message]
2005-01-19 23:25               ` Benjamin Herrenschmidt
2005-01-20  7:40               ` [Lists-linux-kernel-news] " Jon Masters
2005-01-20  7:40                 ` Jon Masters
2005-01-19 18:07           ` Jon Masters
2005-01-19 18:07             ` Jon Masters
2005-01-19 23:22         ` Benjamin Herrenschmidt
2005-01-19 23:22           ` Benjamin Herrenschmidt
2005-01-23 11:17           ` Sven Luther
2005-01-23 11:17             ` Sven Luther

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