linux-kernel - Re: rcu alignment warning tripping on m68k

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Message-ID: <20140529141151.21ed6f95@alan.etchedpixels.co.uk>
Date:	Thu, 29 May 2014 14:11:51 +0100
From:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To:	Greg Ungerer <gerg@...inux.org>
Cc:	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	Linux/m68k <linux-m68k@...r.kernel.org>
Subject: Re: rcu alignment warning tripping on m68k

On Thu, 29 May 2014 12:08:32 +1000
Greg Ungerer <gerg@...inux.org> wrote:

> Hi All,
> 
> Inside kernel/rcy/tree.c in __call_rcu() it does an alignment check on
> the head pointer passed in. This trips on m68k systems, because they only
> need alignment of 32bit quantities to 16bit boundaries.

__alignof perhaps ?

or just an ARCH_ define ?
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