linux-kernel - crypto/xor.ko fails to build with CONFIG_KERNEL_MODE

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Message-ID: <CA+5PVA6iUcY+DCh51R_uwxZ1BOGrS-8-OfaFTF6Bwz9JFDVcUQ@mail.gmail.com>
Date:	Fri, 6 Sep 2013 22:44:33 -0400
From:	Josh Boyer <jwboyer@...oraproject.org>
To:	Russell King <linux@....linux.org.uk>,
	Nicolas Pitre <nico@...aro.org>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>
Subject: crypto/xor.ko fails to build with CONFIG_KERNEL_MODE_NEON=y

Hi,

We enabled CONFIG_KERNEL_MODE_NEON on the armv7hl builds we're doing.
It builds for a while, but eventually fails when running modpost on
the xor.ko module:

ERROR: "xor_block_neon_inner" [crypto/xor.ko] undefined!
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2

I tried adding an EXPORT_SYMBOL_GPL(xor_block_neon_inner); after the
structure definition in arch/arm/lib/xor-neon.c but that doesn't seem
to have done anything.

Before I go chasing this further, I'm curious if anyone else has run into this.

josh
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