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authorLinus Torvalds <torvalds@linux-foundation.org>2013-04-30 08:41:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-30 08:41:21 -0700
commit1e2f5b598aa56c3978c2e623f72e9656a565c6c9 (patch)
tree31b3a7555ac7c1d9a856adc0436ed9943c9cab36 /arch/x86/include
parentf9b3bcfbc43ac80f2019a5093ad9a1e624e611b1 (diff)
parent4d681be3c33dd74efffbe2a8f70634f7128602ec (diff)
downloadlinux-1e2f5b598aa56c3978c2e623f72e9656a565c6c9.tar.bz2
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')
-rw-r--r--arch/x86/include/asm/hypervisor.h16
-rw-r--r--arch/x86/include/asm/paravirt.h4
-rw-r--r--arch/x86/include/asm/paravirt_types.h2
-rw-r--r--arch/x86/include/asm/suspend_32.h1
-rw-r--r--arch/x86/include/asm/suspend_64.h3
5 files changed, 12 insertions, 14 deletions
diff --git a/arch/x86/include/asm/hypervisor.h b/arch/x86/include/asm/hypervisor.h
index 86095ed14135..2d4b5e6107cd 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 */
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 7361e47db79f..cfdc9ee4c900 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -262,10 +262,6 @@ static inline void set_ldt(const void *addr, unsigned entries)
{
PVOP_VCALL2(pv_cpu_ops.set_ldt, addr, entries);
}
-static inline void store_gdt(struct desc_ptr *dtr)
-{
- PVOP_VCALL1(pv_cpu_ops.store_gdt, dtr);
-}
static inline void store_idt(struct desc_ptr *dtr)
{
PVOP_VCALL1(pv_cpu_ops.store_idt, dtr);
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index b3b0ec1dac86..0db1fcac668c 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -123,7 +123,7 @@ struct pv_cpu_ops {
void (*load_tr_desc)(void);
void (*load_gdt)(const struct desc_ptr *);
void (*load_idt)(const struct desc_ptr *);
- void (*store_gdt)(struct desc_ptr *);
+ /* store_gdt has been removed. */
void (*store_idt)(struct desc_ptr *);
void (*set_ldt)(const void *desc, unsigned entries);
unsigned long (*store_tr)(void);
diff --git a/arch/x86/include/asm/suspend_32.h b/arch/x86/include/asm/suspend_32.h
index 487055c8c1aa..f6064b7385b0 100644
--- a/arch/x86/include/asm/suspend_32.h
+++ b/arch/x86/include/asm/suspend_32.h
@@ -15,7 +15,6 @@ struct saved_context {
unsigned long cr0, cr2, cr3, cr4;
u64 misc_enable;
bool misc_enable_saved;
- struct desc_ptr gdt;
struct desc_ptr idt;
u16 ldt;
u16 tss;
diff --git a/arch/x86/include/asm/suspend_64.h b/arch/x86/include/asm/suspend_64.h
index 09b0bf104156..97b84e08a211 100644
--- a/arch/x86/include/asm/suspend_64.h
+++ b/arch/x86/include/asm/suspend_64.h
@@ -25,9 +25,6 @@ struct saved_context {
u64 misc_enable;
bool misc_enable_saved;
unsigned long efer;
- u16 gdt_pad;
- u16 gdt_limit;
- unsigned long gdt_base;
u16 idt_pad;
u16 idt_limit;
unsigned long idt_base;