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Date:	Sat, 28 Dec 2013 13:05:08 -0800
From:	Olof Johansson <>
To:	Benjamin Herrenschmidt <>
Cc:	linuxppc-dev <>,
	"" <>,
	Anton Blanchard <>,
	Olof Johansson <>
Subject: Re: [PATCH] powerpc: Fix alignment of secondary cpu spin vars

On Sat, Dec 28, 2013 at 1:01 PM, Olof Johansson <> wrote:
> Commit 5c0484e25ec0 ('powerpc: Endian safe trampoline') resulted in
> losing proper alignment of the spinlock variables used when booting
> secondary CPUs, causing some quite odd issues with failing to boot on
> PA Semi-based systems.
> This showed itself on ppc64_defconfig, but not on pasemi_defconfig,
> so it had gone unnoticed when I initially tested the LE patch set.
> Fix is to add explicit alignment instead of relying on good luck. :)
> Fixes: 5c0484e25ec0 ('powerpc: Endian safe trampoline')
> Reported-by: Christian Zigotzky <>
> Bugzilla:
> Signed-off-by: Olof Johansson <>

Sigh, it's not this after all. I did a clean build with this applied
and still see failures. Something else is (also?) going on here.

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