From: Scott Wood <scottwood@freescale.com>
To: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Cc: "linuxppc-dev@ozlabs.org" <linuxppc-dev@ozlabs.org>,
Rex Feany <RFeany@mrv.com>
Subject: Re: [PATCH 0/8] 8xx: Misc fixes for buggy insn
Date: Thu, 5 Nov 2009 18:33:05 -0600 [thread overview]
Message-ID: <20091106003305.GA15814@loki.buserror.net> (raw)
In-Reply-To: <1257341920-29277-1-git-send-email-Joakim.Tjernlund@transmode.se>
On Wed, Nov 04, 2009 at 02:38:32PM +0100, Joakim Tjernlund wrote:
> Here is the latest(last?) round of this series. I
> hope I got everything right now.
> Scott and Rex, please test and send ACK/NACK.
>
> Jocke
>
> Joakim Tjernlund (8):
> 8xx: invalidate non present TLBs
This works, and is an important fix -- it should be applied even if the rest
of the patchset isn't ready.
> 8xx: Update TLB asm so it behaves as linux mm expects.
> 8xx: Tag DAR with 0x00f0 to catch buggy instructions.
Up through this point works.
> 8xx: Fixup DAR from buggy dcbX instructions.
With this, the kernel hangs after "Mount-cache hash table entries: 512".
> 8xx: Add missing Guarded setting in DTLB Error.
> 8xx: Restore _PAGE_WRITETHRU
> 8xx: start using dcbX instructions in various copy routines
Once I get up to this patch, it no longer hangs, but I get some user
processes consistently failing with EFAULT.
> 8xx: Remove DIRTY pte handling in DTLB Error.
No change after this patch.
-Scott
next prev parent reply other threads:[~2009-11-06 0:33 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-04 13:38 [PATCH 0/8] 8xx: Misc fixes for buggy insn Joakim Tjernlund
2009-11-04 13:38 ` [PATCH 1/8] 8xx: invalidate non present TLBs Joakim Tjernlund
2009-11-04 13:38 ` [PATCH 2/8] 8xx: Update TLB asm so it behaves as linux mm expects Joakim Tjernlund
2009-11-04 13:38 ` [PATCH 3/8] 8xx: Tag DAR with 0x00f0 to catch buggy instructions Joakim Tjernlund
2009-11-04 13:38 ` [PATCH 4/8] 8xx: Fixup DAR from buggy dcbX instructions Joakim Tjernlund
2009-11-04 13:38 ` [PATCH 5/8] 8xx: Add missing Guarded setting in DTLB Error Joakim Tjernlund
2009-11-04 13:38 ` [PATCH 6/8] 8xx: Restore _PAGE_WRITETHRU Joakim Tjernlund
2009-11-04 13:38 ` [PATCH 7/8] 8xx: start using dcbX instructions in various copy routines Joakim Tjernlund
2009-11-04 13:38 ` [PATCH 8/8] 8xx: Remove DIRTY pte handling in DTLB Error Joakim Tjernlund
2009-11-06 0:33 ` Scott Wood [this message]
2009-11-06 8:01 ` [PATCH 0/8] 8xx: Misc fixes for buggy insn Joakim Tjernlund
2009-11-06 9:29 ` Joakim Tjernlund
[not found] ` <20091109215321.GA4351@loki.buserror.net>
2009-11-09 23:00 ` Scott Wood
2009-11-10 8:27 ` Joakim Tjernlund
2009-11-10 16:36 ` Scott Wood
2009-11-10 16:55 ` Scott Wood
2009-11-10 19:08 ` Joakim Tjernlund
[not found] ` <4AF9CC99.1030500@freescale.com>
2009-11-10 21:25 ` Joakim Tjernlund
[not found] ` <4AF9DCE0.4030805@freescale.com>
2009-11-10 21:47 ` Joakim Tjernlund
2009-11-10 22:02 ` Scott Wood
2009-11-10 23:15 ` Joakim Tjernlund
2009-11-10 23:21 ` Scott Wood
2009-11-11 0:06 ` Joakim Tjernlund
2009-11-11 15:26 ` Scott Wood
2009-11-12 9:10 ` Joakim Tjernlund
2009-11-12 19:45 ` Scott Wood
2009-11-12 21:14 ` Joakim Tjernlund
2009-11-12 21:57 ` Scott Wood
2009-11-12 23:29 ` Joakim Tjernlund
2009-11-13 19:25 ` Scott Wood
2009-11-14 14:11 ` Joakim Tjernlund
2009-11-10 19:54 ` Joakim Tjernlund
[not found] ` <4AF9C647.50600@freescale.com>
2009-11-10 21:05 ` Joakim Tjernlund
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