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 00/10] Fix 8xx MMU/TLB
Date: Mon, 16 Nov 2009 18:40:11 -0600 [thread overview]
Message-ID: <4B01F0EB.70707@freescale.com> (raw)
In-Reply-To: <OF8A8D1539.83855DA3-ONC1257670.007D4AD1-C1257670.007DC74A@transmode.se>
Joakim Tjernlund wrote:
> Scott Wood <scottwood@freescale.com> wrote on 16/11/2009 22:27:41:
>> On Mon, Nov 16, 2009 at 03:00:09PM -0600, Scott Wood wrote:
>>> On Sun, Nov 15, 2009 at 06:09:27PM +0100, Joakim Tjernlund wrote:
>>>> [I used the wrong branch, this will hopefully not conflict]
>>>>
>>>> This is hopfully the last iteration of the series.
>>>> Rex & Scott, please test and signoff.
>>>> Changes since last version:
>>>> - Added mandatory pinning of iTLB
>>>> - Added "DTLB Miss cleanup"
>>> I still get the EFAULTs.
>
> umm, this worked before this series with your own
> version, right?
No... I only meant that the ITLB pinning got rid of the boot hang.
When I mentioned the EFAULTs before you said, "No surprise as the it
seems like the DAR decoding is broken." I thought you meant you'd found
a bug and fixed it in this respin.
> Did I screw up with the "DTLB Miss cleanup"?
No change if I remove that patch.
> Does the self modifying code version work any better?
No change.
-Scott
next prev parent reply other threads:[~2009-11-17 0:40 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-15 17:09 [PATCH 00/10] Fix 8xx MMU/TLB Joakim Tjernlund
2009-11-15 17:09 ` [PATCH 01/10] 8xx: invalidate non present TLBs Joakim Tjernlund
2009-11-15 17:09 ` [PATCH 02/10] 8xx: Update TLB asm so it behaves as linux mm expects Joakim Tjernlund
2009-11-15 17:09 ` [PATCH 03/10] 8xx: Tag DAR with 0x00f0 to catch buggy instructions Joakim Tjernlund
2009-11-15 17:09 ` [PATCH 04/10] 8xx: Always pin kernel instruction TLB Joakim Tjernlund
2009-11-15 17:09 ` [PATCH 05/10] 8xx: Fixup DAR from buggy dcbX instructions Joakim Tjernlund
2009-11-15 17:09 ` [PATCH 06/10] 8xx: Add missing Guarded setting in DTLB Error Joakim Tjernlund
2009-11-15 17:09 ` [PATCH 07/10] 8xx: Restore _PAGE_WRITETHRU Joakim Tjernlund
2009-11-15 17:09 ` [PATCH 08/10] 8xx: start using dcbX instructions in various copy routines Joakim Tjernlund
2009-11-15 17:09 ` [PATCH 09/10] 8xx: Remove DIRTY pte handling in DTLB Error Joakim Tjernlund
2009-11-15 17:09 ` [PATCH 10/10] 8xx: DTLB Miss cleanup Joakim Tjernlund
2009-11-16 21:00 ` [PATCH 00/10] Fix 8xx MMU/TLB Scott Wood
2009-11-16 21:27 ` Scott Wood
2009-11-16 22:53 ` Joakim Tjernlund
2009-11-17 0:40 ` Scott Wood [this message]
2009-11-17 8:04 ` Joakim Tjernlund
2009-11-18 21:08 ` Scott Wood
2009-11-18 21:45 ` Joakim Tjernlund
2009-11-18 21:58 ` Scott Wood
2009-11-18 23:05 ` Joakim Tjernlund
-- strict thread matches above, loose matches on Subject: below --
2009-11-14 10:42 Joakim Tjernlund
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