linux-kernel - Re: powerpc: Kconfig: remove BE-only platforms from LE kernel build

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Message-Id: <20151002074710.99988140B00@ozlabs.org>
Date:	Fri,  2 Oct 2015 17:47:10 +1000 (AEST)
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Boqun Feng <boqun.feng@...il.com>, linuxppc-dev@...ts.ozlabs.org
Cc:	Arnd Bergmann <arnd@...db.de>, Geoff Levand <geoff@...radead.org>,
	Boqun Feng <boqun.feng@...il.com>,
	linux-kernel@...r.kernel.org, Paul Mackerras <paulus@...ba.org>,
	Olof Johansson <olof@...om.net>
Subject: Re: powerpc: Kconfig: remove BE-only platforms from LE kernel build

On Sun, 2015-06-09 at 23:58:00 UTC, Boqun Feng wrote:
> Currently, little endian is only supported on powernv and pseries,
> however, Kconfigs still allow us to include other platforms in a LE
> kernel, this may result in space wasting or even build error if some
> BE-only platforms always assume they are built for a BE kernel. So just
> modify the Kconfigs of BE-only platforms to remove them from being built
> for a LE kernel.
> 
> For 32bit only platforms, nothing needs to be done, because
> CPU_LITTLE_ENDIAN depends on PPC64. For 64bit supported platforms, add
> CPU_BIG_ENDIAN to dependencies explicitly, so that these platforms will
> be disabled for LE [Suggested-by: Cédric Le Goater <clg@...ibm.com>].
> 
> Signed-off-by: Boqun Feng <boqun.feng@...il.com>
> Acked-by: Geoff Levand <geoff@...radead.org>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/e5e16d8f3ec6973af2068897

cheers
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