From mboxrd@z Thu Jan  1 00:00:00 1970
From: linux@arm.linux.org.uk (Russell King - ARM Linux)
Date: Tue, 4 Jun 2013 19:21:37 +0100
Subject: [PATCH v2 1/2] ARM PJ4B: Add support for errata 4742
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 <alpine.LFD.2.03.1306041348400.1200@syhkavp.arg>
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Message-ID: <20130604182137.GC18614@n2100.arm.linux.org.uk>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Tue, Jun 04, 2013 at 02:19:32PM -0400, Nicolas Pitre wrote:
> On Tue, 4 Jun 2013, Russell King - ARM Linux wrote:
> 
> > On Tue, Jun 04, 2013 at 02:07:29PM -0400, Nicolas Pitre wrote:
> > > Alternatively, the following could be done:
> > > 
> > > #ifdef CONFIG_CPU_PJ4B
> > > 
> > > 	.equ	cpu_pj4b_switch_mm,	cpu_v7_switch_mm
> > > 	.equ	cpu_pj4b_set_pte_ex,	cpu_v7_set_pte_ex
> > 
> > No, that doesn't work.  I did forget a hunk from my patch though, which
> > needs the pj4b symbols to be global:
> 
> 	.macro globl_equ x, y
> 	.globl	x
> 	.equ	x, y
> 	.endm
> 
> 	.globl_equ	cpu_pj4b_switch_mm,     cpu_v7_switch_mm
> 	.globl_equ	cpu_pj4b_set_pte_ex,	cpu_v7_set_pte_ex

Which is really no different from doing what I did.