From: Hollis Blanchard <hollis@penguinppc.org>
To: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Cc: linuxppc-dev list <Linuxppc-dev@ozlabs.org>,
Torez Smith <torez@us.ibm.com>
Subject: Re: [PATCH 05/13] powerpc/476: Add isync after loading mmu and debug spr's
Date: Sun, 7 Mar 2010 15:08:31 -0800 [thread overview]
Message-ID: <fb412d761003071508v15586071wf38bc1ae1ad17480@mail.gmail.com> (raw)
In-Reply-To: <20100305204324.18424.40814.sendpatchset@norville.austin.ibm.com>
On Fri, Mar 5, 2010 at 12:43 PM, Dave Kleikamp
<shaggy@linux.vnet.ibm.com> wrote:
>
> powerpc/476: Add isync after loading mmu and debug spr's
>
> From: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
>
> 476 requires an isync after loading MMU and debug related SPR's. =A0Some =
of
> these are in performance-critical paths and may need to be optimized, but
> initially, we're playing it safe.
Why is there sometimes #ifdef CONFIG_PPC_47x, sometimes not, and never
the cputable infrastructure which was intended for this sort of thing?
-Hollis
next prev parent reply other threads:[~2010-03-07 23:08 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-05 20:42 [PATCH 00/13] powerpc/47x: Support for 476 core - Version 2 Dave Kleikamp
2010-03-05 13:43 ` [PATCH 04/13] powerpc/476: add machine check handler for 47x core Dave Kleikamp
2010-05-05 12:27 ` Josh Boyer
2010-05-05 12:59 ` Josh Boyer
2010-05-05 13:05 ` Dave Kleikamp
2010-03-05 20:43 ` [PATCH 01/13] powerpc/booke: Add Stack Marking support to Booke Exception Prolog Dave Kleikamp
2010-03-05 20:43 ` [PATCH 02/13] powerpc/44x: break out cpu init code into stand-alone function Dave Kleikamp
2010-03-05 20:43 ` [PATCH 03/13] powerpc/47x: Base ppc476 support Dave Kleikamp
2010-03-05 20:43 ` [PATCH 05/13] powerpc/476: Add isync after loading mmu and debug spr's Dave Kleikamp
2010-03-07 23:08 ` Hollis Blanchard [this message]
2010-03-10 21:09 ` Dave Kleikamp
2010-03-05 20:43 ` [PATCH 07/13] powerpc/47x: defconfig for 476 on the iss 4xx simulator Dave Kleikamp
2010-03-05 20:43 ` [PATCH 08/13] powerpc/476: define specific cpu table entry DD1.1 core Dave Kleikamp
2010-03-05 20:43 ` [PATCH 09/13] powerpc/476: Workaround for dcbf/dcbz workaround on DD1 Dave Kleikamp
2010-03-05 20:43 ` [PATCH 10/13] powerpc/476: Add isync to the top of all exception handlers for DD1.1 core Dave Kleikamp
2010-03-05 20:43 ` [PATCH 11/13] powerpc/476: Software workaround to fix dcr read/write sequencing Dave Kleikamp
2010-03-05 20:44 ` [PATCH 12/13] powerpc/476: Workaround for DD1.1: Issue lwsync after mtpid Dave Kleikamp
2010-03-05 20:44 ` [PATCH 13/13] powerpc/476: Add dci instruction to async interrupt handlers on DD1 core Dave Kleikamp
2010-03-05 20:45 ` [PATCH 06/13] powerpc/4xx: Simple platform for the ISS 4xx simulator Dave Kleikamp
2010-05-05 15:11 ` Josh Boyer
2010-05-05 15:16 ` Dave Kleikamp
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