From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Paul Mackerras <paulus@samba.org>
Cc: Becky Bruce <Becky.Bruce@freescale.com>,
Michael Schmitz <schmitz@zirkon.biophys.uni-duesseldorf.de>,
debian-powerpc@lists.debian.org,
linuxppc-dev list <linuxppc-dev@ozlabs.org>
Subject: Re: 7447A strange problem with MSR:POW (WAS: can't boot 2.6.17-rc1)
Date: Tue, 18 Apr 2006 16:37:40 +1000 [thread overview]
Message-ID: <1145342260.4705.66.camel@localhost.localdomain> (raw)
In-Reply-To: <17476.34830.897083.360572@cargo.ozlabs.ibm.com>
On Tue, 2006-04-18 at 16:32 +1000, Paul Mackerras wrote:
> Benjamin Herrenschmidt writes:
>
> > The 970 version bloats the exception prolog significantly... I
>
> Four instructions, in the external and decrementer interrupt entry
> paths - I don't think that's really significant bloat.
Yeah well.. including a load.. ok, I admit that should be fairly hot...
btw, I suppose you took care of having those local flags in some hot
cache line ? :)
> More likely we'll get more situations like Cell where we come in
> through the soft reset vector after sleep.
Yeah.
Ben.
next prev parent reply other threads:[~2006-04-18 6:37 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.44.0604071010290.18017-100000@zirkon.biophys.uni-duesseldorf.de>
[not found] ` <1144408805.30891.42.camel@localhost.localdomain>
[not found] ` <17463.9759.442768.685153@cargo.ozlabs.ibm.com>
2006-04-13 10:20 ` 7447A strange problem with MSR:POW (WAS: can't boot 2.6.17-rc1) Benjamin Herrenschmidt
2006-04-13 20:46 ` Becky Bruce
2006-04-13 20:55 ` Benjamin Herrenschmidt
2006-04-13 21:46 ` Becky Bruce
2006-04-13 22:37 ` Benjamin Herrenschmidt
2006-04-13 22:44 ` Olof Johansson
2006-04-14 19:07 ` Paul Mackerras
2006-04-14 19:54 ` Olof Johansson
2006-04-14 20:00 ` Becky Bruce
2006-04-14 22:57 ` Benjamin Herrenschmidt
2006-04-14 20:19 ` Paul Mackerras
2006-04-14 20:24 ` Olof Johansson
2006-04-14 21:09 ` Becky Bruce
2006-04-14 21:01 ` Benjamin Herrenschmidt
2006-04-18 5:45 ` Paul Mackerras
2006-04-18 6:00 ` Benjamin Herrenschmidt
2006-04-18 6:32 ` Paul Mackerras
2006-04-18 6:37 ` Benjamin Herrenschmidt [this message]
2006-04-18 14:56 ` Olof Johansson
2006-04-18 16:03 ` Olof Johansson
2006-04-15 11:12 ` Michael Schmitz
2006-04-18 19:29 Becky Bruce
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