Date: Mon, 20 Apr 2015 12:25:19 -0400 (EDT)
Message-Id: <20150420.122519.1661605449214047938.davem@davemloft.net>
To: linux@roeck-us.net
Cc: mpe@ellerman.id.au, sowmini.varadhan@oracle.com, benh@kernel.crashing.org,
        aik@au1.ibm.com, anton@au1.ibm.com, paulus@samba.org,
        linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: sparc64: Build failure due to commit f1600e549b94 (sparc: Make
 sparc64 use scalable lib/iommu-common.c functions)
From: David Miller <davem@davemloft.net>
In-Reply-To: <55348BE1.4010305@roeck-us.net>
References: <20150419183625.GA18901@oracle.com>
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	<55348BE1.4010305@roeck-us.net>
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From: Guenter Roeck <linux@roeck-us.net>
Date: Sun, 19 Apr 2015 22:17:21 -0700

> The debug option is intended for all _other_ architectures, to
> ensure that changes made for those don't break alpha/s390
> builds. alpha/s390 have ARCH_NEEDS_WEAK_PER_CPU and don't need the
> debug option.

Ironically this would not create a build failure for the architectures
where this matters, because only powerpc has the like named percpu
symbol.

So it's not really meeting the stated objective in this case.
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