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Subject[PATCH 4.4 14/87] x86/vsdo: Fix build on PARAVIRT_CLOCK=y, KVM_GUEST=n
Date
4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andy Lutomirski <luto@kernel.org>

commit 8705d603edd49f1cff165cd3b7998f4c7f098d27 upstream.

arch/x86/built-in.o: In function `arch_setup_additional_pages':
(.text+0x587): undefined reference to `pvclock_pvti_cpu0_va'

KVM_GUEST selects PARAVIRT_CLOCK, so we can make pvclock_pvti_cpu0_va depend
on KVM_GUEST.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Tested-by: Borislav Petkov <bp@alien8.de>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Link: http://lkml.kernel.org/r/444d38a9bcba832685740ea1401b569861d09a72.1451446564.git.luto@kernel.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: James Dingwall <james@dingwall.me.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
arch/x86/include/asm/pvclock.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/include/asm/pvclock.h
+++ b/arch/x86/include/asm/pvclock.h
@@ -4,7 +4,7 @@
#include <linux/clocksource.h>
#include <asm/pvclock-abi.h>

-#ifdef CONFIG_PARAVIRT_CLOCK
+#ifdef CONFIG_KVM_GUEST
extern struct pvclock_vsyscall_time_info *pvclock_pvti_cpu0_va(void);
#else
static inline struct pvclock_vsyscall_time_info *pvclock_pvti_cpu0_va(void)

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