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-rw-r--r--arch/x86/include/asm/amd_nb.h2
-rw-r--r--arch/x86/include/asm/kvm_para.h33
-rw-r--r--arch/x86/include/asm/paravirt.h2
-rw-r--r--arch/x86/include/asm/paravirt_types.h9
-rw-r--r--arch/x86/include/asm/pgtable.h14
-rw-r--r--arch/x86/include/asm/pgtable_types.h3
-rw-r--r--arch/x86/include/asm/thread_info.h8
-rw-r--r--arch/x86/include/asm/tlbflush.h6
-rw-r--r--arch/x86/include/asm/uv/uv.h2
9 files changed, 41 insertions, 38 deletions
diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h
index a54ee1d054d..aaac3b2fb74 100644
--- a/arch/x86/include/asm/amd_nb.h
+++ b/arch/x86/include/asm/amd_nb.h
@@ -19,7 +19,7 @@ extern int amd_cache_northbridges(void);
extern void amd_flush_garts(void);
extern int amd_numa_init(void);
extern int amd_get_subcaches(int);
-extern int amd_set_subcaches(int, int);
+extern int amd_set_subcaches(int, unsigned long);
struct amd_l3_cache {
unsigned indices;
diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h
index 1df11590975..c7678e43465 100644
--- a/arch/x86/include/asm/kvm_para.h
+++ b/arch/x86/include/asm/kvm_para.h
@@ -85,28 +85,9 @@ static inline long kvm_hypercall4(unsigned int nr, unsigned long p1,
return ret;
}
-static inline uint32_t kvm_cpuid_base(void)
-{
- if (boot_cpu_data.cpuid_level < 0)
- return 0; /* So we don't blow up on old processors */
-
- if (cpu_has_hypervisor)
- return hypervisor_cpuid_base("KVMKVMKVM\0\0\0", 0);
-
- return 0;
-}
-
-static inline bool kvm_para_available(void)
-{
- return kvm_cpuid_base() != 0;
-}
-
-static inline unsigned int kvm_arch_para_features(void)
-{
- return cpuid_eax(KVM_CPUID_FEATURES);
-}
-
#ifdef CONFIG_KVM_GUEST
+bool kvm_para_available(void);
+unsigned int kvm_arch_para_features(void);
void __init kvm_guest_init(void);
void kvm_async_pf_task_wait(u32 token);
void kvm_async_pf_task_wake(u32 token);
@@ -126,6 +107,16 @@ static inline void kvm_spinlock_init(void)
#define kvm_async_pf_task_wait(T) do {} while(0)
#define kvm_async_pf_task_wake(T) do {} while(0)
+static inline bool kvm_para_available(void)
+{
+ return 0;
+}
+
+static inline unsigned int kvm_arch_para_features(void)
+{
+ return 0;
+}
+
static inline u32 kvm_read_and_reset_pf_reason(void)
{
return 0;
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 401f350ef71..cd6e1610e29 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -781,9 +781,9 @@ static __always_inline void __ticket_unlock_kick(struct arch_spinlock *lock,
*/
#define PV_CALLEE_SAVE_REGS_THUNK(func) \
extern typeof(func) __raw_callee_save_##func; \
- static void *__##func##__ __used = func; \
\
asm(".pushsection .text;" \
+ ".globl __raw_callee_save_" #func " ; " \
"__raw_callee_save_" #func ": " \
PV_SAVE_ALL_CALLER_REGS \
"call " #func ";" \
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index aab8f671b52..7549b8b369e 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -388,10 +388,11 @@ extern struct pv_lock_ops pv_lock_ops;
_paravirt_alt(insn_string, "%c[paravirt_typenum]", "%c[paravirt_clobber]")
/* Simple instruction patching code. */
-#define DEF_NATIVE(ops, name, code) \
- extern const char start_##ops##_##name[] __visible, \
- end_##ops##_##name[] __visible; \
- asm("start_" #ops "_" #name ": " code "; end_" #ops "_" #name ":")
+#define NATIVE_LABEL(a,x,b) "\n\t.globl " a #x "_" #b "\n" a #x "_" #b ":\n\t"
+
+#define DEF_NATIVE(ops, name, code) \
+ __visible extern const char start_##ops##_##name[], end_##ops##_##name[]; \
+ asm(NATIVE_LABEL("start_", ops, name) code NATIVE_LABEL("end_", ops, name))
unsigned paravirt_patch_nop(void);
unsigned paravirt_patch_ident_32(void *insnbuf, unsigned len);
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index bbc8b12fa44..5ad38ad0789 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -445,10 +445,20 @@ static inline int pte_same(pte_t a, pte_t b)
return a.pte == b.pte;
}
+static inline int pteval_present(pteval_t pteval)
+{
+ /*
+ * Yes Linus, _PAGE_PROTNONE == _PAGE_NUMA. Expressing it this
+ * way clearly states that the intent is that protnone and numa
+ * hinting ptes are considered present for the purposes of
+ * pagetable operations like zapping, protection changes, gup etc.
+ */
+ return pteval & (_PAGE_PRESENT | _PAGE_PROTNONE | _PAGE_NUMA);
+}
+
static inline int pte_present(pte_t a)
{
- return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE |
- _PAGE_NUMA);
+ return pteval_present(pte_flags(a));
}
#define pte_accessible pte_accessible
diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
index a83aa44bb1f..1aa9ccd4322 100644
--- a/arch/x86/include/asm/pgtable_types.h
+++ b/arch/x86/include/asm/pgtable_types.h
@@ -121,7 +121,8 @@
/* Set of bits not changed in pte_modify */
#define _PAGE_CHG_MASK (PTE_PFN_MASK | _PAGE_PCD | _PAGE_PWT | \
- _PAGE_SPECIAL | _PAGE_ACCESSED | _PAGE_DIRTY)
+ _PAGE_SPECIAL | _PAGE_ACCESSED | _PAGE_DIRTY | \
+ _PAGE_SOFT_DIRTY)
#define _HPAGE_CHG_MASK (_PAGE_CHG_MASK | _PAGE_PSE)
#define _PAGE_CACHE_MASK (_PAGE_PCD | _PAGE_PWT)
diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index 3ba3de457d0..e1940c06ed0 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -163,9 +163,11 @@ struct thread_info {
*/
#ifndef __ASSEMBLY__
-
-/* how to get the current stack pointer from C */
-register unsigned long current_stack_pointer asm("esp") __used;
+#define current_stack_pointer ({ \
+ unsigned long sp; \
+ asm("mov %%esp,%0" : "=g" (sp)); \
+ sp; \
+})
/* how to get the thread information struct from C */
static inline struct thread_info *current_thread_info(void)
diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index e6d90babc24..04905bfc508 100644
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -62,7 +62,7 @@ static inline void __flush_tlb_all(void)
static inline void __flush_tlb_one(unsigned long addr)
{
- count_vm_event(NR_TLB_LOCAL_FLUSH_ONE);
+ count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ONE);
__flush_tlb_single(addr);
}
@@ -93,13 +93,13 @@ static inline void __flush_tlb_one(unsigned long addr)
*/
static inline void __flush_tlb_up(void)
{
- count_vm_event(NR_TLB_LOCAL_FLUSH_ALL);
+ count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ALL);
__flush_tlb();
}
static inline void flush_tlb_all(void)
{
- count_vm_event(NR_TLB_LOCAL_FLUSH_ALL);
+ count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ALL);
__flush_tlb_all();
}
diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h
index 6b964a0b86d..062921ef34e 100644
--- a/arch/x86/include/asm/uv/uv.h
+++ b/arch/x86/include/asm/uv/uv.h
@@ -12,7 +12,6 @@ extern enum uv_system_type get_uv_system_type(void);
extern int is_uv_system(void);
extern void uv_cpu_init(void);
extern void uv_nmi_init(void);
-extern void uv_register_nmi_notifier(void);
extern void uv_system_init(void);
extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
struct mm_struct *mm,
@@ -26,7 +25,6 @@ static inline enum uv_system_type get_uv_system_type(void) { return UV_NONE; }
static inline int is_uv_system(void) { return 0; }
static inline void uv_cpu_init(void) { }
static inline void uv_system_init(void) { }
-static inline void uv_register_nmi_notifier(void) { }
static inline const struct cpumask *
uv_flush_tlb_others(const struct cpumask *cpumask, struct mm_struct *mm,
unsigned long start, unsigned long end, unsigned int cpu)