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authorLinus Torvalds <torvalds@linux-foundation.org>2013-04-30 15:41:21 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-30 15:41:21 (GMT)
commit1e2f5b598aa56c3978c2e623f72e9656a565c6c9 (patch)
tree31b3a7555ac7c1d9a856adc0436ed9943c9cab36 /arch/x86/include/asm/hypervisor.h
parentf9b3bcfbc43ac80f2019a5093ad9a1e624e611b1 (diff)
parent4d681be3c33dd74efffbe2a8f70634f7128602ec (diff)
downloadlinux-1e2f5b598aa56c3978c2e623f72e9656a565c6c9.tar.xz
Merge branch 'x86-paravirt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 paravirt update from Ingo Molnar: "Various paravirtualization related changes - the biggest one makes guest support optional via CONFIG_HYPERVISOR_GUEST" * 'x86-paravirt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, wakeup, sleep: Use pvops functions for changing GDT entries x86, xen, gdt: Remove the pvops variant of store_gdt. x86-32, gdt: Store/load GDT for ACPI S3 or hibernation/resume path is not needed x86-64, gdt: Store/load GDT for ACPI S3 or hibernate/resume path is not needed. x86: Make Linux guest support optional x86, Kconfig: Move PARAVIRT_DEBUG into the paravirt menu
Diffstat (limited to 'arch/x86/include/asm/hypervisor.h')
-rw-r--r--arch/x86/include/asm/hypervisor.h16
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/x86/include/asm/hypervisor.h b/arch/x86/include/asm/hypervisor.h
index 86095ed..2d4b5e6 100644
--- a/arch/x86/include/asm/hypervisor.h
+++ b/arch/x86/include/asm/hypervisor.h
@@ -20,13 +20,11 @@
#ifndef _ASM_X86_HYPERVISOR_H
#define _ASM_X86_HYPERVISOR_H
+#ifdef CONFIG_HYPERVISOR_GUEST
+
#include <asm/kvm_para.h>
#include <asm/xen/hypervisor.h>
-extern void init_hypervisor(struct cpuinfo_x86 *c);
-extern void init_hypervisor_platform(void);
-extern bool hypervisor_x2apic_available(void);
-
/*
* x86 hypervisor information
*/
@@ -55,4 +53,12 @@ extern const struct hypervisor_x86 x86_hyper_ms_hyperv;
extern const struct hypervisor_x86 x86_hyper_xen_hvm;
extern const struct hypervisor_x86 x86_hyper_kvm;
-#endif
+extern void init_hypervisor(struct cpuinfo_x86 *c);
+extern void init_hypervisor_platform(void);
+extern bool hypervisor_x2apic_available(void);
+#else
+static inline void init_hypervisor(struct cpuinfo_x86 *c) { }
+static inline void init_hypervisor_platform(void) { }
+static inline bool hypervisor_x2apic_available(void) { return false; }
+#endif /* CONFIG_HYPERVISOR_GUEST */
+#endif /* _ASM_X86_HYPERVISOR_H */