[2.6 patch] i386 KEXEC must depend on X86_CMPXCHG64

[Adrian Bunk]

This patch fixes the following compile error with 
CONFIG_X86_CMPXCHG64=n:

<--  snip  -->

...
  CC      arch/i386/kernel/machine_kexec.o
arch/i386/kernel/machine_kexec.c: In function 'identity_map_page':
arch/i386/kernel/machine_kexec.c:78: error: implicit declaration of function 'set_64bit'
make[1]: *** [arch/i386/kernel/machine_kexec.o] Error 1

<--  snip  -->


Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>

--- linux-2.6.15-rc1-mm1-full/arch/i386/Kconfig.old	2005-11-18 00:44:29.000000000 +0100
+++ linux-2.6.15-rc1-mm1-full/arch/i386/Kconfig	2005-11-18 00:45:11.000000000 +0100
@@ -662,7 +662,7 @@
 
 config KEXEC
 	bool "kexec system call (EXPERIMENTAL)"
-	depends on EXPERIMENTAL
+	depends on EXPERIMENTAL && X86_CMPXCHG64
 	help
 	  kexec is a system call that implements the ability to shutdown your
 	  current kernel, and to start another kernel.  It is like a reboot

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