From: Dan Malek <dan@embeddededge.com>
To: <Joakim.Tjernlund@lumentis.se>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: 8xx v2.6 TLB problems and suggested workaround
Date: Sat, 23 Apr 2005 18:23:36 -0400 [thread overview]
Message-ID: <08f33e2ffa1a8f4a243cf3f95aaf9e0d@embeddededge.com> (raw)
In-Reply-To: <BCEFJBPJCGFCNMMMIDBHIEIKCLAA.Joakim.Tjernlund@lumentis.se>
On Apr 23, 2005, at 6:07 PM, Joakim Tjernlund wrote:
> Do you refer to the assembler code above or some other assembler code
> such
> as my dcbX workaround? I once had a C version of that workaround that
> lived
> in fault.c. Sadly it think it is gone now, not sure if I ever sent it
> to the list.
Yes, the dcbx and anything else we may have to place in there. At most,
we should emulate whatever is necessary in C code and just invalidate
the TLB entry for reloading, if the PTE has changed. We shouldn't be
trying to load TLB entries.
Thanks.
-- Dan
next prev parent reply other threads:[~2005-04-23 22:23 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-05 21:51 8xx v2.6 TLB problems and suggested workaround Joakim Tjernlund
2005-04-06 12:16 ` Marcelo Tosatti
2005-04-06 21:24 ` Joakim Tjernlund
2005-04-07 12:00 ` Marcelo Tosatti
2005-04-07 20:35 ` Joakim Tjernlund
2005-04-07 19:38 ` Marcelo Tosatti
2005-04-08 2:09 ` Dan Malek
2005-04-08 11:07 ` Marcelo Tosatti
2005-04-09 5:16 ` Dan Malek
2005-04-09 19:03 ` Joakim Tjernlund
2005-04-09 22:37 ` Marcelo Tosatti
2005-04-10 10:08 ` Joakim Tjernlund
2005-04-22 17:14 ` Marcelo Tosatti
2005-04-23 21:55 ` Dan Malek
2005-04-23 22:07 ` Joakim Tjernlund
2005-04-23 22:23 ` Dan Malek [this message]
2005-04-08 8:01 ` Joakim Tjernlund
2005-04-08 13:39 ` Dan Malek
2005-04-08 14:29 ` Joakim Tjernlund
-- strict thread matches above, loose matches on Subject: below --
2005-04-04 19:17 Marcelo Tosatti
2005-04-04 20:09 ` Marcelo Tosatti
2005-04-05 7:08 ` Pantelis Antoniou
2005-04-05 1:11 ` Kumar Gala
2005-04-05 15:58 ` Dan Malek
2005-04-05 11:41 ` Marcelo Tosatti
2005-04-05 20:26 ` Marcelo Tosatti
2005-04-06 6:00 ` Pantelis Antoniou
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