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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Kumar Gala <galak@kernel.crashing.org>
Cc: Michael Ellerman <michael@ozlabs.org>,
	Jimi Xenidis <jimix@watson.ibm.com>,
	jack@codezen.org, imunsie@au.ibm.com, linuxppc-dev@ozlabs.org,
	David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH 12/15] powerpc/book3e: Use way 3 for linear mapping bolted entry
Date: Tue, 19 Apr 2011 08:44:21 +1000	[thread overview]
Message-ID: <1303166661.28876.165.camel@pasglop> (raw)
In-Reply-To: <7086A97F-A6A6-4D25-9FA7-20959C74E440@kernel.crashing.org>


> >> Seems like this should have a MMU Feature bit or something for A2.
> > 
> > Too early. We haven't detected the CPU and are establishing the initial
> > TLB entry here.
> 
> How about wrapping with CONFIG_PPC_A2

YUCK :-)

> > Any reason why that wouldn't work on something else anyways ?
> 
> No, I wasn't paying attention to what this code exactly was (not enough
> context in the diff), I see its our initial setup so not a big deal.
>   Was thinking this was run-time exception handler code.

No, it's the boot time bolted entry.

Cheers,
Ben.

  reply	other threads:[~2011-04-18 22:44 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-15  8:31 [PATCH 01/15] powerpc/a2: Add some #defines for A2 specific instructions Michael Ellerman
2011-04-15  8:31 ` [PATCH 02/15] of: Export of_irq_find_parent() Michael Ellerman
2011-04-15  8:31 ` [PATCH 03/15] powerpc: Add SCOM infrastructure Michael Ellerman
2011-04-15  8:31 ` [PATCH 04/15] powerpc/xics: xics.h relies on linux/interrupt.h Michael Ellerman
2011-04-15  8:31 ` [PATCH 05/15] powerpc/xics: Move irq_host matching into the ics backend Michael Ellerman
2011-04-15  8:32 ` [PATCH 06/15] powerpc/nvram: Search for nvram using compatible Michael Ellerman
2011-04-15  8:32 ` [PATCH 08/15] powerpc: Add A2 cpu support Michael Ellerman
2011-04-15  8:32 ` [PATCH 07/15] powerpc: Move CPU_FTRS_BASE_BOOK3E into cputable.h & update FTR masks Michael Ellerman
2011-04-18 12:37   ` Kumar Gala
2011-04-15  8:32 ` [PATCH 09/15] powerpc: Add TLB size detection for TYPE_3E MMUs Michael Ellerman
2011-04-15  8:32 ` [PATCH 10/15] powerpc: Define slb0_limit() for BOOK3E Michael Ellerman
2011-04-17  5:58   ` Olof Johansson
2011-04-18 12:42   ` Kumar Gala
2011-04-18 21:41     ` Benjamin Herrenschmidt
2011-04-18 22:30       ` Kumar Gala
2011-04-18 22:50         ` Benjamin Herrenschmidt
2011-04-15  8:32 ` [PATCH 11/15] powerpc: Index crit/dbg/mcheck stacks using cpu number on 64bit Michael Ellerman
2011-04-15  8:32 ` [PATCH 12/15] powerpc/book3e: Use way 3 for linear mapping bolted entry Michael Ellerman
2011-04-18 12:43   ` Kumar Gala
2011-04-18 21:40     ` Benjamin Herrenschmidt
2011-04-18 22:27       ` Kumar Gala
2011-04-18 22:44         ` Benjamin Herrenschmidt [this message]
2011-04-15  8:32 ` [PATCH 13/15] powerpc/book3e: Flush IPROT protected TLB entries leftover by firmware Michael Ellerman
2011-04-15  8:32 ` [PATCH 14/15] powerpc: Add WSP platform Michael Ellerman
2011-04-18 12:46   ` Kumar Gala
2011-04-18 21:39     ` Benjamin Herrenschmidt
2011-04-15  8:32 ` [PATCH 15/15] powerpc: Add early debug for WSP platforms Michael Ellerman

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