3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Russell King <rmk+ker...@arm.linux.org.uk>
commit 1b16c4bcf80e319b2226a886b72b8466179c8e3a upstream.
Fix yet another build failure caused by a weird set of configuration
settings:
LD init/built-in.o
arch/arm/kernel/built-in.o: In function `__dabt_usr':
/home/tom3q/kernel/arch/arm/kernel/entry-armv.S:377: undefined reference to
`kuser_cmpxchg64_fixup'
arch/arm/kernel/built-in.o: In function `__irq_usr':
/home/tom3q/kernel/arch/arm/kernel/entry-armv.S:387: undefined reference to
`kuser_cmpxchg64_fixup'
caused by:
CONFIG_KUSER_HELPERS=n
CONFIG_CPU_32v6K=n
CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG=n
Reported-by: Tomasz Figa <tomasz.f...@gmail.com>
Signed-off-by: Russell King <rmk+ker...@arm.linux.org.uk>
Cc: Martin Kaiser <li...@kaiser.cx>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
arch/arm/kernel/entry-armv.S | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -358,7 +358,8 @@ ENDPROC(__pabt_svc)
.endm
.macro kuser_cmpxchg_check
-#if !defined(CONFIG_CPU_32v6K) && !defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG)
+#if !defined(CONFIG_CPU_32v6K) && defined(CONFIG_KUSER_HELPERS) && \
+ !defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG)
#ifndef CONFIG_MMU
#warning "NPTL on non MMU needs fixing"
#else
--
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