From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Cc: linuxppc-dev list <Linuxppc-dev@ozlabs.org>
Subject: Re: [PATCH 1/2] 476: Set CCR2[DSTI] to prevent isync from flushing shadow TLB
Date: Tue, 28 Sep 2010 07:10:52 +1000 [thread overview]
Message-ID: <1285621852.14081.62.camel@pasglop> (raw)
In-Reply-To: <1285601205.17411.23.camel@shaggy-w500>
On Mon, 2010-09-27 at 10:26 -0500, Dave Kleikamp wrote:
> I think I made it a config option at Ben's request when I first started
> this work last year, before being sidetracked by other priorities. I
> could either remove the option, or default it to 'n'. It might be best
> to just hard-code the behavior to make sure it's exercised, since
> there's no 47x hardware in production yet, but we can give Ben a chance
> to weigh in with his opinion.
You can remove the option I suppose. It was useful to have it during
early bringup but probably not anymore.
Cheers,
Ben.
next prev parent reply other threads:[~2010-09-27 21:10 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-24 18:01 [PATCH 0/2] powerpc/47x TLB optimization patches Dave Kleikamp
2010-09-24 18:01 ` [PATCH 1/2] 476: Set CCR2[DSTI] to prevent isync from flushing shadow TLB Dave Kleikamp
2010-09-27 15:04 ` Josh Boyer
2010-09-27 15:26 ` Dave Kleikamp
2010-09-27 21:10 ` Benjamin Herrenschmidt [this message]
2010-09-27 21:15 ` Dave Kleikamp
2010-09-27 21:56 ` [PATCH 1/2] v2 " Dave Kleikamp
2010-10-12 19:40 ` Dave Kleikamp
2010-10-12 22:19 ` Josh Boyer
2010-09-24 18:01 ` [PATCH 2/2] ppc: lazy flush_tlb_mm for nohash architectures Dave Kleikamp
2010-10-14 0:52 ` Benjamin Herrenschmidt
2010-10-18 21:57 ` Dave Kleikamp
2010-10-18 23:34 ` Benjamin Herrenschmidt
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