linux-kernel - Re: [PATCH] powerpc: define empty enable_kernel_vsx() when CONFIG

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Message-ID: <20150908224735.GA12791@fergus.ozlabs.ibm.com>
Date:	Wed, 9 Sep 2015 08:47:35 +1000
From:	Paul Mackerras <paulus@...abs.org>
To:	tim.gardner@...onical.com
Cc:	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Michael Ellerman <mpe@...erman.id.au>,
	Leonidas Da Silva Barbosa <leosilva@...ux.vnet.ibm.com>,
	Herbert Xu <herbert@...dor.apana.org.au>
Subject: Re: [PATCH] powerpc: define empty enable_kernel_vsx() when
 CONFIG_VSX=n

On Tue, Sep 08, 2015 at 12:13:11PM -0600, tim.gardner@...onical.com wrote:
> From: Tim Gardner <tim.gardner@...onical.com>
> 
> commit 72cd7b44bc99 ("powerpc: Uncomment and make enable_kernel_vsx()
> routine available") neglected to define an empty inline replacement for
> enable_kernel_vsx() when CONFIG_VSX=n.

If code that wants to call enable_kernel_vsx() is getting compiled in
when CONFIG_VSX=n, that's a worry.  Is this patch motivated by an
actual compile failure?  If so what was the failure?

Paul.
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