Merge branches 'fixes' and 'misc' into for-linus

23 files changed, 122 insertions, 78 deletions

diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild
index 3a36d99ff836..721ab5ecfb9b 100644
--- a/arch/arm/include/asm/Kbuild
+++ b/arch/arm/include/asm/Kbuild
@@ -1,40 +1,23 @@
-
-
-generic-y += bitsperlong.h
 generic-y += clkdev.h
 generic-y += current.h
 generic-y += early_ioremap.h
 generic-y += emergency-restart.h
-generic-y += errno.h
 generic-y += exec.h
 generic-y += extable.h
-generic-y += ioctl.h
-generic-y += ipcbuf.h
 generic-y += irq_regs.h
 generic-y += kdebug.h
 generic-y += local.h
 generic-y += local64.h
 generic-y += mm-arch-hooks.h
-generic-y += msgbuf.h
 generic-y += msi.h
-generic-y += param.h
 generic-y += parport.h
-generic-y += poll.h
 generic-y += preempt.h
-generic-y += resource.h
 generic-y += rwsem.h
 generic-y += seccomp.h
 generic-y += segment.h
-generic-y += sembuf.h
 generic-y += serial.h
-generic-y += shmbuf.h
-generic-y += siginfo.h
 generic-y += simd.h
 generic-y += sizes.h
-generic-y += socket.h
-generic-y += sockios.h
-generic-y += termbits.h
-generic-y += termios.h
 generic-y += timex.h
 generic-y += trace_clock.h
 generic-y += unaligned.h
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 68b06f9c65de..ad301f107dd2 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -87,6 +87,8 @@
 #define CALGN(code...)
 #endif
 
+#define IMM12_MASK 0xfff
+
 /*
  * Enable and disable interrupts
  */
diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h
index e943e6cee254..f308c8c40cb9 100644
--- a/arch/arm/include/asm/bitops.h
+++ b/arch/arm/include/asm/bitops.h
@@ -159,16 +159,16 @@ extern int _test_and_change_bit(int nr, volatile unsigned long * p);
 /*
  * Little endian assembly bitops.  nr = 0 -> byte 0 bit 0.
  */
-extern int _find_first_zero_bit_le(const void * p, unsigned size);
-extern int _find_next_zero_bit_le(const void * p, int size, int offset);
+extern int _find_first_zero_bit_le(const unsigned long *p, unsigned size);
+extern int _find_next_zero_bit_le(const unsigned long *p, int size, int offset);
 extern int _find_first_bit_le(const unsigned long *p, unsigned size);
 extern int _find_next_bit_le(const unsigned long *p, int size, int offset);
 
 /*
  * Big endian assembly bitops.  nr = 0 -> byte 3 bit 0.
  */
-extern int _find_first_zero_bit_be(const void * p, unsigned size);
-extern int _find_next_zero_bit_be(const void * p, int size, int offset);
+extern int _find_first_zero_bit_be(const unsigned long *p, unsigned size);
+extern int _find_next_zero_bit_be(const unsigned long *p, int size, int offset);
 extern int _find_first_bit_be(const unsigned long *p, unsigned size);
 extern int _find_next_bit_be(const unsigned long *p, int size, int offset);
 
diff --git a/arch/arm/include/asm/bug.h b/arch/arm/include/asm/bug.h
index 4e6e88a6b2f4..2244a94ed9c9 100644
--- a/arch/arm/include/asm/bug.h
+++ b/arch/arm/include/asm/bug.h
@@ -37,7 +37,7 @@ do {								\
 		".pushsection .rodata.str, \"aMS\", %progbits, 1\n" \
 		"2:\t.asciz " #__file "\n" 			\
 		".popsection\n" 				\
-		".pushsection __bug_table,\"a\"\n"		\
+		".pushsection __bug_table,\"aw\"\n"		\
 		".align 2\n"					\
 		"3:\t.word 1b, 2b\n"				\
 		"\t.hword " #__line ", 0\n"			\
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index d69bebf697e7..74504b154256 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -116,7 +116,7 @@ struct cpu_cache_fns {
 	void (*dma_unmap_area)(const void *, size_t, int);
 
 	void (*dma_flush_range)(const void *, const void *);
-};
+} __no_randomize_layout;
 
 /*
  * Select the calling method
diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h
index 2ef282f96651..c090ec675eac 100644
--- a/arch/arm/include/asm/dma-iommu.h
+++ b/arch/arm/include/asm/dma-iommu.h
@@ -9,6 +9,8 @@
 #include <linux/kmemcheck.h>
 #include <linux/kref.h>
 
+#define ARM_MAPPING_ERROR		(~(dma_addr_t)0x0)
+
 struct dma_iommu_mapping {
 	/* iommu specific data */
 	struct iommu_domain	*domain;
@@ -33,5 +35,7 @@ int arm_iommu_attach_device(struct device *dev,
 					struct dma_iommu_mapping *mapping);
 void arm_iommu_detach_device(struct device *dev);
 
+int arm_dma_supported(struct device *dev, u64 mask);
+
 #endif /* __KERNEL__ */
 #endif
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 680d3f3889e7..4e0285a66ef8 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -12,18 +12,14 @@
 #include <xen/xen.h>
 #include <asm/xen/hypervisor.h>
 
-#define DMA_ERROR_CODE	(~(dma_addr_t)0x0)
 extern const struct dma_map_ops arm_dma_ops;
 extern const struct dma_map_ops arm_coherent_dma_ops;
 
 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
 {
-	return &arm_dma_ops;
+	return IS_ENABLED(CONFIG_MMU) ? &arm_dma_ops : &dma_noop_ops;
 }
 
-#define HAVE_ARCH_DMA_SUPPORTED 1
-extern int dma_supported(struct device *dev, u64 mask);
-
 #ifdef __arch_page_to_dma
 #error Please update to __arch_pfn_to_dma
 #endif
diff --git a/arch/arm/include/asm/dmi.h b/arch/arm/include/asm/dmi.h
new file mode 100644
index 000000000000..df2d2ff06f5b
--- /dev/null
+++ b/arch/arm/include/asm/dmi.h
@@ -0,0 +1,19 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ASM_DMI_H
+#define __ASM_DMI_H
+
+#include <linux/io.h>
+#include <linux/slab.h>
+
+#define dmi_early_remap(x, l)		memremap(x, l, MEMREMAP_WB)
+#define dmi_early_unmap(x, l)		memunmap(x)
+#define dmi_remap(x, l)			memremap(x, l, MEMREMAP_WB)
+#define dmi_unmap(x)			memunmap(x)
+#define dmi_alloc(l)			kzalloc(l, GFP_KERNEL)
+
+#endif
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
index d2315ffd8f12..f13ae153fb24 100644
--- a/arch/arm/include/asm/elf.h
+++ b/arch/arm/include/asm/elf.h
@@ -112,12 +112,8 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
 #define CORE_DUMP_USE_REGSET
 #define ELF_EXEC_PAGESIZE	4096
 
-/* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
-   use of this is to invoke "./ld.so someprog" to test out a new version of
-   the loader.  We need to make sure that it is out of the way of the program
-   that it will "exec", and that there is sufficient room for the brk.  */
-
-#define ELF_ET_DYN_BASE	(TASK_SIZE / 3 * 2)
+/* This is the base location for PIE (ET_DYN with INTERP) loads. */
+#define ELF_ET_DYN_BASE		0x400000UL
 
 /* When the program starts, a1 contains a pointer to a function to be 
    registered with atexit, as per the SVR4 ABI.  A value of 0 means we 
diff --git a/arch/arm/include/asm/flat.h b/arch/arm/include/asm/flat.h
index acf1d14b89a6..29d3a1524bce 100644
--- a/arch/arm/include/asm/flat.h
+++ b/arch/arm/include/asm/flat.h
@@ -5,12 +5,31 @@
 #ifndef __ARM_FLAT_H__
 #define __ARM_FLAT_H__
 
+#include <linux/uaccess.h>
+
 #define	flat_argvp_envp_on_stack()		1
 #define	flat_old_ram_flag(flags)		(flags)
 #define	flat_reloc_valid(reloc, size)		((reloc) <= (size))
-#define	flat_get_addr_from_rp(rp, relval, flags, persistent) \
-	({ unsigned long __val; __get_user_unaligned(__val, rp); __val; })
-#define	flat_put_addr_at_rp(rp, val, relval)	__put_user_unaligned(val, rp)
+
+static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
+					u32 *addr, u32 *persistent)
+{
+#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+	return copy_from_user(addr, rp, 4) ? -EFAULT : 0;
+#else
+	return get_user(*addr, rp);
+#endif
+}
+
+static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
+{
+#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+	return copy_to_user(rp, &addr, 4) ? -EFAULT : 0;
+#else
+	return put_user(addr, rp);
+#endif
+}
+
 #define	flat_get_relocate_addr(rel)		(rel)
 #define	flat_set_persistent(relval, p)		0
 
diff --git a/arch/arm/include/asm/ftrace.h b/arch/arm/include/asm/ftrace.h
index 22b73112b75f..f379881d5cc3 100644
--- a/arch/arm/include/asm/ftrace.h
+++ b/arch/arm/include/asm/ftrace.h
@@ -1,6 +1,10 @@
 #ifndef _ASM_ARM_FTRACE
 #define _ASM_ARM_FTRACE
 
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS
+#define ARCH_SUPPORTS_FTRACE_OPS 1
+#endif
+
 #ifdef CONFIG_FUNCTION_TRACER
 #define MCOUNT_ADDR		((unsigned long)(__gnu_mcount_nc))
 #define MCOUNT_INSN_SIZE	4 /* sizeof mcount call */
diff --git a/arch/arm/include/asm/kvm_arm.h b/arch/arm/include/asm/kvm_arm.h
index a3f0b3d50089..ebf020b02bc8 100644
--- a/arch/arm/include/asm/kvm_arm.h
+++ b/arch/arm/include/asm/kvm_arm.h
@@ -187,6 +187,16 @@
 #define FSC_FAULT	(0x04)
 #define FSC_ACCESS	(0x08)
 #define FSC_PERM	(0x0c)
+#define FSC_SEA		(0x10)
+#define FSC_SEA_TTW0	(0x14)
+#define FSC_SEA_TTW1	(0x15)
+#define FSC_SEA_TTW2	(0x16)
+#define FSC_SEA_TTW3	(0x17)
+#define FSC_SECC	(0x18)
+#define FSC_SECC_TTW0	(0x1c)
+#define FSC_SECC_TTW1	(0x1d)
+#define FSC_SECC_TTW2	(0x1e)
+#define FSC_SECC_TTW3	(0x1f)
 
 /* Hyp Prefetch Fault Address Register (HPFAR/HDFAR) */
 #define HPFAR_MASK	(~0xf)
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index f0e66577ce05..127e2dd2e21c 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -44,7 +44,9 @@
 #define KVM_MAX_VCPUS VGIC_V2_MAX_CPUS
 #endif
 
-#define KVM_REQ_VCPU_EXIT	(8 | KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP)
+#define KVM_REQ_SLEEP \
+	KVM_ARCH_REQ_FLAGS(0, KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP)
+#define KVM_REQ_IRQ_PENDING	KVM_ARCH_REQ(1)
 
 u32 *kvm_vcpu_reg(struct kvm_vcpu *vcpu, u8 reg_num, u32 mode);
 int __attribute_const__ kvm_target_cpu(void);
@@ -233,8 +235,6 @@ struct kvm_vcpu *kvm_arm_get_running_vcpu(void);
 struct kvm_vcpu __percpu **kvm_get_running_vcpus(void);
 void kvm_arm_halt_guest(struct kvm *kvm);
 void kvm_arm_resume_guest(struct kvm *kvm);
-void kvm_arm_halt_vcpu(struct kvm_vcpu *vcpu);
-void kvm_arm_resume_vcpu(struct kvm_vcpu *vcpu);
 
 int kvm_arm_copy_coproc_indices(struct kvm_vcpu *vcpu, u64 __user *uindices);
 unsigned long kvm_arm_num_coproc_regs(struct kvm_vcpu *vcpu);
@@ -291,20 +291,12 @@ static inline void kvm_arm_init_debug(void) {}
 static inline void kvm_arm_setup_debug(struct kvm_vcpu *vcpu) {}
 static inline void kvm_arm_clear_debug(struct kvm_vcpu *vcpu) {}
 static inline void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu) {}
-static inline int kvm_arm_vcpu_arch_set_attr(struct kvm_vcpu *vcpu,
-					     struct kvm_device_attr *attr)
-{
-	return -ENXIO;
-}
-static inline int kvm_arm_vcpu_arch_get_attr(struct kvm_vcpu *vcpu,
-					     struct kvm_device_attr *attr)
-{
-	return -ENXIO;
-}
-static inline int kvm_arm_vcpu_arch_has_attr(struct kvm_vcpu *vcpu,
-					     struct kvm_device_attr *attr)
-{
-	return -ENXIO;
-}
+
+int kvm_arm_vcpu_arch_set_attr(struct kvm_vcpu *vcpu,
+			       struct kvm_device_attr *attr);
+int kvm_arm_vcpu_arch_get_attr(struct kvm_vcpu *vcpu,
+			       struct kvm_device_attr *attr);
+int kvm_arm_vcpu_arch_has_attr(struct kvm_vcpu *vcpu,
+			       struct kvm_device_attr *attr);
 
 #endif /* __ARM_KVM_HOST_H__ */
diff --git a/arch/arm/include/asm/kvm_hyp.h b/arch/arm/include/asm/kvm_hyp.h
index 58508900c4bb..14b5903f0224 100644
--- a/arch/arm/include/asm/kvm_hyp.h
+++ b/arch/arm/include/asm/kvm_hyp.h
@@ -110,8 +110,8 @@ void __sysreg_restore_state(struct kvm_cpu_context *ctxt);
 void __vgic_v3_save_state(struct kvm_vcpu *vcpu);
 void __vgic_v3_restore_state(struct kvm_vcpu *vcpu);
 
-void asmlinkage __vfp_save_state(struct vfp_hard_struct *vfp);
-void asmlinkage __vfp_restore_state(struct vfp_hard_struct *vfp);
+asmlinkage void __vfp_save_state(struct vfp_hard_struct *vfp);
+asmlinkage void __vfp_restore_state(struct vfp_hard_struct *vfp);
 static inline bool __vfp_enabled(void)
 {
 	return !(read_sysreg(HCPTR) & (HCPTR_TCP(11) | HCPTR_TCP(10)));
@@ -120,8 +120,8 @@ static inline bool __vfp_enabled(void)
 void __hyp_text __banked_save_state(struct kvm_cpu_context *ctxt);
 void __hyp_text __banked_restore_state(struct kvm_cpu_context *ctxt);
 
-int asmlinkage __guest_enter(struct kvm_vcpu *vcpu,
+asmlinkage int __guest_enter(struct kvm_vcpu *vcpu,
 			     struct kvm_cpu_context *host);
-int asmlinkage __hyp_do_panic(const char *, int, u32);
+asmlinkage int __hyp_do_panic(const char *, int, u32);
 
 #endif /* __ARM_KVM_HYP_H__ */
diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h
index 2d88af5be45f..233b4b50eff3 100644
--- a/arch/arm/include/asm/mach/pci.h
+++ b/arch/arm/include/asm/mach/pci.h
@@ -16,6 +16,7 @@
 struct pci_sys_data;
 struct pci_ops;
 struct pci_bus;
+struct pci_host_bridge;
 struct device;
 
 struct hw_pci {
@@ -25,7 +26,7 @@ struct hw_pci {
 	unsigned int	io_optional:1;
 	void		**private_data;
 	int		(*setup)(int nr, struct pci_sys_data *);
-	struct pci_bus *(*scan)(int nr, struct pci_sys_data *);
+	int		(*scan)(int nr, struct pci_host_bridge *);
 	void		(*preinit)(void);
 	void		(*postinit)(void);
 	u8		(*swizzle)(struct pci_dev *dev, u8 *pin);
diff --git a/arch/arm/include/asm/page-nommu.h b/arch/arm/include/asm/page-nommu.h
index 503f488053de..8f2c47bec375 100644
--- a/arch/arm/include/asm/page-nommu.h
+++ b/arch/arm/include/asm/page-nommu.h
@@ -11,12 +11,6 @@
 #ifndef _ASMARM_PAGE_NOMMU_H
 #define _ASMARM_PAGE_NOMMU_H
 
-#if !defined(CONFIG_SMALL_TASKS) && PAGE_SHIFT < 13
-#define KTHREAD_SIZE (8192)
-#else
-#define KTHREAD_SIZE PAGE_SIZE
-#endif
- 
 #define clear_page(page)	memset((page), 0, PAGE_SIZE)
 #define copy_page(to,from)	memcpy((to), (from), PAGE_SIZE)
 
diff --git a/arch/arm/include/asm/smp_scu.h b/arch/arm/include/asm/smp_scu.h
index bfe163c40024..5983f6bc62d5 100644
--- a/arch/arm/include/asm/smp_scu.h
+++ b/arch/arm/include/asm/smp_scu.h
@@ -7,6 +7,7 @@
 
 #ifndef __ASSEMBLER__
 
+#include <linux/errno.h>
 #include <asm/cputype.h>
 
 static inline bool scu_a9_has_base(void)
diff --git a/arch/arm/include/asm/suspend.h b/arch/arm/include/asm/suspend.h
index 6c7182f32cef..a61905c86732 100644
--- a/arch/arm/include/asm/suspend.h
+++ b/arch/arm/include/asm/suspend.h
@@ -1,6 +1,8 @@
 #ifndef __ASM_ARM_SUSPEND_H
 #define __ASM_ARM_SUSPEND_H
 
+#include <linux/types.h>
+
 struct sleep_save_sp {
 	u32 *save_ptr_stash;
 	u32 save_ptr_stash_phys;
diff --git a/arch/arm/include/asm/system_misc.h b/arch/arm/include/asm/system_misc.h
index a3d61ad984af..8c4a89f5ce7d 100644
--- a/arch/arm/include/asm/system_misc.h
+++ b/arch/arm/include/asm/system_misc.h
@@ -22,6 +22,11 @@ extern void (*arm_pm_idle)(void);
 
 extern unsigned int user_debug;
 
+static inline int handle_guest_sea(phys_addr_t addr, unsigned int esr)
+{
+	return -1;
+}
+
 #endif /* !__ASSEMBLY__ */
 
 #endif /* __ASM_ARM_SYSTEM_MISC_H */
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 2577405d082d..0bf2347495f1 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -17,13 +17,6 @@
 #include <asm/unified.h>
 #include <asm/compiler.h>
 
-#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
-#include <asm-generic/uaccess-unaligned.h>
-#else
-#define __get_user_unaligned __get_user
-#define __put_user_unaligned __put_user
-#endif
-
 #include <asm/extable.h>
 
 /*
@@ -526,7 +519,6 @@ static inline unsigned long __must_check clear_user(void __user *to, unsigned lo
 /* These are from lib/ code, and use __get_user() and friends */
 extern long strncpy_from_user(char *dest, const char __user *src, long count);
 
-extern __must_check long strlen_user(const char __user *str);
 extern __must_check long strnlen_user(const char __user *str, long n);
 
 #endif /* _ASMARM_UACCESS_H */
diff --git a/arch/arm/include/asm/xen/events.h b/arch/arm/include/asm/xen/events.h
index 71e473d05fcc..620dc75362e5 100644
--- a/arch/arm/include/asm/xen/events.h
+++ b/arch/arm/include/asm/xen/events.h
@@ -16,7 +16,7 @@ static inline int xen_irqs_disabled(struct pt_regs *regs)
 	return raw_irqs_disabled_flags(regs->ARM_cpsr);
 }
 
-#define xchg_xen_ulong(ptr, val) atomic64_xchg(container_of((ptr),	\
+#define xchg_xen_ulong(ptr, val) atomic64_xchg(container_of((long long*)(ptr),\
 							    atomic64_t,	\
 							    counter), (val))
 
diff --git a/arch/arm/include/uapi/asm/Kbuild b/arch/arm/include/uapi/asm/Kbuild
index 607f702c2d62..8e17fe80b55b 100644
--- a/arch/arm/include/uapi/asm/Kbuild
+++ b/arch/arm/include/uapi/asm/Kbuild
@@ -1,6 +1,22 @@
 # UAPI Header export list
 include include/uapi/asm-generic/Kbuild.asm
 
-genhdr-y += unistd-common.h
-genhdr-y += unistd-oabi.h
-genhdr-y += unistd-eabi.h
+generated-y += unistd-common.h
+generated-y += unistd-oabi.h
+generated-y += unistd-eabi.h
+
+generic-y += bitsperlong.h
+generic-y += errno.h
+generic-y += ioctl.h
+generic-y += ipcbuf.h
+generic-y += msgbuf.h
+generic-y += param.h
+generic-y += poll.h
+generic-y += resource.h
+generic-y += sembuf.h
+generic-y += shmbuf.h
+generic-y += siginfo.h
+generic-y += socket.h
+generic-y += sockios.h
+generic-y += termbits.h
+generic-y += termios.h
diff --git a/arch/arm/include/uapi/asm/kvm.h b/arch/arm/include/uapi/asm/kvm.h
index 5e3c673fa3f4..5db2d4c6a55f 100644
--- a/arch/arm/include/uapi/asm/kvm.h
+++ b/arch/arm/include/uapi/asm/kvm.h
@@ -203,6 +203,14 @@ struct kvm_arch_memory_slot {
 #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INTID_MASK 0x3ff
 #define VGIC_LEVEL_INFO_LINE_LEVEL	0
 
+/* Device Control API on vcpu fd */
+#define KVM_ARM_VCPU_PMU_V3_CTRL	0
+#define   KVM_ARM_VCPU_PMU_V3_IRQ	0
+#define   KVM_ARM_VCPU_PMU_V3_INIT	1
+#define KVM_ARM_VCPU_TIMER_CTRL		1
+#define   KVM_ARM_VCPU_TIMER_IRQ_VTIMER		0
+#define   KVM_ARM_VCPU_TIMER_IRQ_PTIMER		1
+
 #define   KVM_DEV_ARM_VGIC_CTRL_INIT		0
 #define   KVM_DEV_ARM_ITS_SAVE_TABLES		1
 #define   KVM_DEV_ARM_ITS_RESTORE_TABLES	2