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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>
This commit is contained in:
Andy Lutomirski 2015-12-29 20:12:18 -08:00 committed by Thomas Gleixner
parent b92c453d52
commit 8705d603ed
1 changed files with 1 additions and 1 deletions
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2
arch/x86/include/asm/pvclock.h
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@ -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)