linux-kernel - Re: linux-next: manual merge of the arm-lpae tree with the arm tree

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Message-ID: <20110610144326.GC18133@e102109-lin.cambridge.arm.com>
Date:	Fri, 10 Jun 2011 15:43:27 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Russell King <rmk@....linux.org.uk>
Subject: Re: linux-next: manual merge of the arm-lpae tree with the arm tree

On Fri, Jun 10, 2011 at 01:52:55AM +0100, Stephen Rothwell wrote:
> Today's linux-next merge of the arm-lpae tree got a conflict in
> arch/arm/mm/context.c between commit 07989b7ad63a ("Revert "ARM: 6943/1:
> mm: use TTBR1 instead of reserved context ID"") from the arm tree and
> commit 21fa7e3ea279 ("ARM: LPAE: Add context switching support") from the
> arm-lpae tree.
> 
> I fixed it up (I think - see below) and can carry the fix as necessary.

Thanks for this. I replaced the conflicting commit (21fa7e4e ARM: LPAE:
Add context switching support) with an older version (prior to patch
6943/1 that Russell reverted). The cpu_set_reserved_ttbr0() is now
called cpu_set_asid() and does something different.

In my for-next branch I also included the patches that Russell pushed
via his tree to be able to solve the conflicts:

51b5dba Revert "ARM: 6943/1: mm: use TTBR1 instead of reserved context ID"
25194f6 Revert "ARM: 6944/1: mm: allow ASID 0 to be allocated to tasks"

and I removed from my branch:

b488121 ARM: mm: fix racy ASID rollover broadcast on SMP platforms

Hopefully there shouldn't be further conflicts in tomorrow's -next tree.

-- 
Catalin

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