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x86/vsdo: Fix build on PARAVIRT_CLOCK=y, KVM_GUEST=n
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>
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@ -4,7 +4,7 @@
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#include <linux/clocksource.h>
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#include <linux/clocksource.h>
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#include <asm/pvclock-abi.h>
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#include <asm/pvclock-abi.h>
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#ifdef CONFIG_PARAVIRT_CLOCK
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#ifdef CONFIG_KVM_GUEST
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extern struct pvclock_vsyscall_time_info *pvclock_pvti_cpu0_va(void);
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extern struct pvclock_vsyscall_time_info *pvclock_pvti_cpu0_va(void);
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#else
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#else
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static inline struct pvclock_vsyscall_time_info *pvclock_pvti_cpu0_va(void)
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static inline struct pvclock_vsyscall_time_info *pvclock_pvti_cpu0_va(void)
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