| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 14/87] x86/vsdo: Fix build on PARAVIRT_CLOCK=y, KVM_GUEST=n | Date | Mon, 15 Jan 2018 13:34:13 +0100 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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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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