From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Kumar Gala <galak@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org,
Chris Friesen <chris.friesen@genband.com>,
paulus@samba.org, Scott Wood <scottwood@freescale.com>,
timur@freescale.com
Subject: Re: linux support for freescale e5500 core?
Date: Fri, 17 Sep 2010 15:33:05 +1000 [thread overview]
Message-ID: <1284701585.30449.102.camel@pasglop> (raw)
In-Reply-To: <7EDBB1DD-BB9D-417D-8F4E-B9D5D9E030EF@kernel.crashing.org>
On Fri, 2010-09-17 at 00:17 -0500, Kumar Gala wrote:
> Not sure how the 970 bit worked, but this seems a bit problematic for
> switching between kernel and application for how we do this on
> e500mc/e5500. We'd have to touch the control bit on every exception
> path which seems ugly to me.
Unless the kernel uses dcbzl (feature fixup replacement ?)
In that case it's on context switch only.
Cheers,
Ben.
next prev parent reply other threads:[~2010-09-17 5:33 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-16 20:06 linux support for freescale e5500 core? Chris Friesen
2010-09-16 21:39 ` Scott Wood
2010-09-16 21:44 ` Chris Friesen
2010-09-16 22:03 ` Benjamin Herrenschmidt
2010-09-16 22:26 ` Chris Friesen
2010-09-17 0:03 ` Benjamin Herrenschmidt
2010-09-17 5:17 ` Kumar Gala
2010-09-17 5:33 ` Benjamin Herrenschmidt [this message]
2010-09-17 6:36 ` Chris Friesen
2010-09-17 7:39 ` Kumar Gala
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