From: Ralf Baechle <ralf@linux-mips.org>
To: David Daney <ddaney.cavm@gmail.com>
Cc: Joshua Kinard <kumba@gentoo.org>,
Linux MIPS List <linux-mips@linux-mips.org>
Subject: Re: IP27: CONFIG_TRANSPARENT_HUGEPAGE triggers bus errors
Date: Wed, 5 Nov 2014 17:09:46 +0100 [thread overview]
Message-ID: <20141105160945.GB13785@linux-mips.org> (raw)
In-Reply-To: <54582A91.8040401@gmail.com>
On Mon, Nov 03, 2014 at 05:23:29PM -0800, David Daney wrote:
> I haven't checked, but there may be workarounds required in the TLB
> management code that are not in place for the huge page case. When the huge
> TLB code was developed, we didn't do any testing on R10K. Somebody should
> dump the exception handlers and carefully look at the rest of the huge TLB
> management code, and check to see that any required workarounds are in
> place.
Joshua, if you happen to have R10000 errata sheets around, maybe you could
check if there's anything suspicious? Off the top of my head I don't recall
any R10000 TLB erratas but the R10000 had plenty of erratas due to it's - by
the standards of the time - high complexity.
Ralf
next prev parent reply other threads:[~2014-11-05 16:09 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-02 10:53 IP27: CONFIG_TRANSPARENT_HUGEPAGE triggers bus errors Joshua Kinard
2014-11-03 18:52 ` David Daney
2014-11-04 1:08 ` Joshua Kinard
2014-11-04 1:23 ` David Daney
2014-11-04 1:34 ` Joshua Kinard
2014-11-04 1:43 ` David Daney
2014-11-04 5:51 ` Joshua Kinard
2014-11-05 9:07 ` Joshua Kinard
2014-11-05 10:21 ` Ralf Baechle
2014-11-05 16:09 ` Ralf Baechle [this message]
2014-11-07 10:22 ` Joshua Kinard
2014-11-07 18:30 ` David Daney
2014-11-09 0:09 ` Joshua Kinard
2014-11-10 7:04 ` Joshua Kinard
2014-11-10 10:51 ` Ralf Baechle
2014-11-10 11:20 ` Thomas Bogendoerfer
2014-11-10 14:22 ` Joshua Kinard
2014-11-10 16:55 ` David Daney
2014-11-10 17:03 ` Ralf Baechle
2014-11-10 17:29 ` David Daney
2014-11-11 11:11 ` Joshua Kinard
2014-11-10 21:30 ` Thomas Bogendoerfer
2014-11-11 7:47 ` Ralf Baechle
2014-11-11 9:24 ` Thomas Bogendoerfer
2014-11-11 9:38 ` Ralf Baechle
2014-11-10 11:22 ` Joshua Kinard
2014-11-05 13:52 ` Ralf Baechle
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