From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC/PATCH] Block device for the ISS simulator
Date: Fri, 03 Oct 2008 19:29:40 +1000 [thread overview]
Message-ID: <1223026180.12264.174.camel@pasglop> (raw)
In-Reply-To: <20081003083522.GB25683@infradead.org>
On Fri, 2008-10-03 at 04:35 -0400, Christoph Hellwig wrote:
> On Fri, Oct 03, 2008 at 10:08:42AM +1000, Benjamin Herrenschmidt wrote:
> > The ISS simulator is a simple powerpc simulator used among other things
> > for hardware bringup. It implements a simple memory mapped block device
> > interface.
> >
> > This is a simple block driver that attaches to it. Note that the choice
> > of a major device number is fishy, though because it's a simulator and
> > not real hardware, it's not necessarily a big deal.
>
> Please don't put in more block devices for every bloody simulator in the
> world. Just emulated some simpler enough existing hardware.
I'm not sure I want it merged, but having it on the list "for the
record" is useful and it might be useful to get comments in case it's
terminally busted :-)
I'm trying to get ISS to implement an IDE interface in fact.
Cheers,
Ben.
WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
Josh Boyer <jwboyer@linux.vnet.ibm.com>
Subject: Re: [RFC/PATCH] Block device for the ISS simulator
Date: Fri, 03 Oct 2008 19:29:40 +1000 [thread overview]
Message-ID: <1223026180.12264.174.camel@pasglop> (raw)
In-Reply-To: <20081003083522.GB25683@infradead.org>
On Fri, 2008-10-03 at 04:35 -0400, Christoph Hellwig wrote:
> On Fri, Oct 03, 2008 at 10:08:42AM +1000, Benjamin Herrenschmidt wrote:
> > The ISS simulator is a simple powerpc simulator used among other things
> > for hardware bringup. It implements a simple memory mapped block device
> > interface.
> >
> > This is a simple block driver that attaches to it. Note that the choice
> > of a major device number is fishy, though because it's a simulator and
> > not real hardware, it's not necessarily a big deal.
>
> Please don't put in more block devices for every bloody simulator in the
> world. Just emulated some simpler enough existing hardware.
I'm not sure I want it merged, but having it on the list "for the
record" is useful and it might be useful to get comments in case it's
terminally busted :-)
I'm trying to get ISS to implement an IDE interface in fact.
Cheers,
Ben.
next prev parent reply other threads:[~2008-10-03 9:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-03 0:08 [RFC/PATCH] Block device for the ISS simulator Benjamin Herrenschmidt
2008-10-03 0:08 ` Benjamin Herrenschmidt
2008-10-03 4:44 ` Andi Kleen
2008-10-03 4:44 ` Andi Kleen
2008-10-03 8:35 ` Christoph Hellwig
2008-10-03 8:35 ` Christoph Hellwig
2008-10-03 9:29 ` Benjamin Herrenschmidt [this message]
2008-10-03 9:29 ` Benjamin Herrenschmidt
2008-10-03 12:03 ` Josh Boyer
2008-10-03 12:03 ` Josh Boyer
2008-10-03 12:21 ` Benjamin Herrenschmidt
2008-10-03 12:21 ` Benjamin Herrenschmidt
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