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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

  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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