Merge commit 'origin/master' into for-linus/xen/master

[firefly-linux-kernel-4.4.55.git] / arch / x86 / include / asm / paravirt.h

diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 0617d5cc9712d00a3ca61ad80f515484cb7798e5..bc384be6aa44d404ca12ce7ec350bee248dd6df4 100644 (file)
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -56,6 +56,7 @@ struct desc_ptr;
 struct tss_struct;
 struct mm_struct;
 struct desc_struct;
+struct task_struct;
 
 /*
  * Wrapper type for pointers to code which uses the non-standard
@@ -203,7 +204,8 @@ struct pv_cpu_ops {
 
        void (*swapgs)(void);
 
-       struct pv_lazy_ops lazy_mode;
+       void (*start_context_switch)(struct task_struct *prev);
+       void (*end_context_switch)(struct task_struct *next);
 };
 
 struct pv_irq_ops {
@@ -317,8 +319,6 @@ struct pv_mmu_ops {
 #if PAGETABLE_LEVELS >= 3
 #ifdef CONFIG_X86_PAE
        void (*set_pte_atomic)(pte_t *ptep, pte_t pteval);
-       void (*set_pte_present)(struct mm_struct *mm, unsigned long addr,
-                               pte_t *ptep, pte_t pte);
        void (*pte_clear)(struct mm_struct *mm, unsigned long addr,
                          pte_t *ptep);
        void (*pmd_clear)(pmd_t *pmdp);
@@ -389,7 +389,7 @@ extern struct pv_lock_ops pv_lock_ops;
 
 #define paravirt_type(op)                              \
        [paravirt_typenum] "i" (PARAVIRT_PATCH(op)),    \
-       [paravirt_opptr] "m" (op)
+       [paravirt_opptr] "i" (&(op))
 #define paravirt_clobber(clobber)              \
        [paravirt_clobber] "i" (clobber)
 
@@ -443,7 +443,7 @@ int paravirt_disable_iospace(void);
  * offset into the paravirt_patch_template structure, and can therefore be
  * freely converted back into a structure offset.
  */
-#define PARAVIRT_CALL  "call *%[paravirt_opptr];"
+#define PARAVIRT_CALL  "call *%c[paravirt_opptr];"
 
 /*
  * These macros are intended to wrap calls through one of the paravirt
@@ -1365,13 +1365,6 @@ static inline void set_pte_atomic(pte_t *ptep, pte_t pte)
                    pte.pte, pte.pte >> 32);
 }
 
-static inline void set_pte_present(struct mm_struct *mm, unsigned long addr,
-                                  pte_t *ptep, pte_t pte)
-{
-       /* 5 arg words */
-       pv_mmu_ops.set_pte_present(mm, addr, ptep, pte);
-}
-
 static inline void pte_clear(struct mm_struct *mm, unsigned long addr,
                             pte_t *ptep)
 {
@@ -1388,12 +1381,6 @@ static inline void set_pte_atomic(pte_t *ptep, pte_t pte)
        set_pte(ptep, pte);
 }
 
-static inline void set_pte_present(struct mm_struct *mm, unsigned long addr,
-                                  pte_t *ptep, pte_t pte)
-{
-       set_pte(ptep, pte);
-}
-
 static inline void pte_clear(struct mm_struct *mm, unsigned long addr,
                             pte_t *ptep)
 {
@@ -1414,25 +1401,23 @@ enum paravirt_lazy_mode {
 };
 
 enum paravirt_lazy_mode paravirt_get_lazy_mode(void);
-void paravirt_enter_lazy_cpu(void);
-void paravirt_leave_lazy_cpu(void);
+void paravirt_start_context_switch(struct task_struct *prev);
+void paravirt_end_context_switch(struct task_struct *next);
+
 void paravirt_enter_lazy_mmu(void);
 void paravirt_leave_lazy_mmu(void);
-void paravirt_leave_lazy(enum paravirt_lazy_mode mode);
 
-#define  __HAVE_ARCH_ENTER_LAZY_CPU_MODE
-static inline void arch_enter_lazy_cpu_mode(void)
+#define  __HAVE_ARCH_START_CONTEXT_SWITCH
+static inline void arch_start_context_switch(struct task_struct *prev)
 {
-       PVOP_VCALL0(pv_cpu_ops.lazy_mode.enter);
+       PVOP_VCALL1(pv_cpu_ops.start_context_switch, prev);
 }
 
-static inline void arch_leave_lazy_cpu_mode(void)
+static inline void arch_end_context_switch(struct task_struct *next)
 {
-       PVOP_VCALL0(pv_cpu_ops.lazy_mode.leave);
+       PVOP_VCALL1(pv_cpu_ops.end_context_switch, next);
 }
 
-void arch_flush_lazy_cpu_mode(void);
-
 #define  __HAVE_ARCH_ENTER_LAZY_MMU_MODE
 static inline void arch_enter_lazy_mmu_mode(void)
 {