From: Pantelis Antoniou <panto@intracom•gr>
To: Marcelo Tosatti <marcelo.tosatti@cyclades•com>
Cc: "Smith, Craig" <craig.d.smith@siemens•com>,
paulus@samba•org,
linux-ppc-embedded <linuxppc-embedded@ozlabs•org>
Subject: Re: Linux 2.6.x on 8xx status
Date: Thu, 24 Mar 2005 16:05:13 +0200 [thread overview]
Message-ID: <4242C919.5050303@intracom.gr> (raw)
In-Reply-To: <20050323160544.GB5305@logos.cnet>
Marcelo Tosatti wrote:
> On Wed, Mar 23, 2005 at 11:12:11AM -0500, Dan Malek wrote:
>
>>On Mar 23, 2005, at 5:25 AM, Marcelo Tosatti wrote:
>>
>>
>>>You misunderstood: get_mmu_context() _wont_ be called if the mm
>>>structures
>>>are the same.
>>
>>I understood. At most, get_mmu_context() will only do a 'tlbia'
>>instruction, I didn't see your reason for thinking this would have
>>an effect on the tlbie usage.
>
>
> OK. That is not a good reason, indeed.
>
>
>>>>Well, that's interesting. It's likely to only happen on an 860
>>>>variant
>>>>that
>>>>has the large TLB.
>>>
>>>For what reasoning?
>>
>>My initial debugging seemed to indicate a stale TLB entry. With
>>the larger TLB this is more likely to happen. The bug was never
>>seen on the 823/850 with smaller TLBs.
>>
>>I have a new 8xx board now, so I'll have to start working on these
>>issues as well.
>
>
> OK!
I've just managed to get 2.6.12-rc1 running on my 870 based board
and the tlb invalidate is still needed.
Investigating...
Regards
Pantelis
next prev parent reply other threads:[~2005-03-24 14:14 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-21 11:59 Linux 2.6.x on 8xx status Smith, Craig
2004-09-21 11:53 ` Pantelis Antoniou
2004-09-21 16:54 ` Dan Malek
2004-09-21 17:03 ` Dan Malek
2004-09-22 11:09 ` Sam Song
2004-10-15 15:49 ` Marcelo Tosatti
2004-10-16 2:13 ` Marcelo Tosatti
2004-10-16 9:08 ` Sam Song
2004-10-18 5:59 ` Pantelis Antoniou
2004-10-18 6:22 ` Sam Song
2004-10-18 3:10 ` Dan Malek
2005-02-10 15:04 ` Marcelo Tosatti
2005-02-10 19:26 ` Dan Malek
2005-02-10 17:06 ` Marcelo Tosatti
2005-02-10 17:08 ` Marcelo Tosatti
2005-03-21 21:45 ` Guillaume Autran
2005-03-21 21:53 ` Robert P. J. Day
2005-03-22 13:04 ` Marcelo Tosatti
2005-03-22 20:57 ` Dan Malek
2005-03-22 17:58 ` Marcelo Tosatti
2005-03-22 22:53 ` Dan Malek
2005-03-23 10:25 ` Marcelo Tosatti
2005-03-23 16:12 ` Dan Malek
2005-03-23 16:05 ` Marcelo Tosatti
2005-03-24 14:05 ` Pantelis Antoniou [this message]
2005-03-23 14:06 ` Guillaume Autran
2005-02-11 3:42 ` Dan Malek
2005-02-21 21:12 ` Armin Schindler
2005-02-21 23:45 ` Guillaume Autran
2005-02-15 9:39 ` Reading of RTC robin
-- strict thread matches above, loose matches on Subject: below --
2005-02-22 11:20 Linux 2.6.x on 8xx status Joakim Tjernlund
2004-10-25 15:00 Sam Song
2004-09-17 13:57 Smith, Craig
2004-09-17 13:50 ` Pantelis Antoniou
[not found] <20040916201505.E723B2BDB2@ozlabs.org>
2004-09-17 10:06 ` Song Sam
2004-09-17 9:55 ` Pantelis Antoniou
2004-09-18 20:11 ` Song Sam
2004-09-20 6:02 ` Pantelis Antoniou
2004-09-20 11:47 ` Song Sam
2004-09-20 17:49 ` Tom Rini
2004-09-20 18:02 ` Robert P. J. Day
2004-09-20 18:17 ` Tom Rini
2004-09-21 1:38 ` Song Sam
2004-09-21 6:12 ` Pantelis Antoniou
2004-09-21 10:35 ` Song Sam
2004-09-21 10:41 ` Pantelis Antoniou
2004-10-15 15:47 ` Marcelo Tosatti
2004-09-16 18:56 Smith, Craig
2004-09-16 20:07 ` Dan Malek
2004-09-17 5:43 ` Pantelis Antoniou
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