website-struct

Struct: pv_cpu_ops

Status

Regular

• In 4.4: ✅

  struct pv_cpu_ops {
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      void (*clts)();
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      long unsigned int (*read_cr4_safe)();
      long unsigned int (*read_cr4)();
      void (*write_cr4)(long unsigned int);
      long unsigned int (*read_cr8)();
      void (*write_cr8)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*store_idt)(struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(struct tss_struct *, struct thread_struct *);
      void (*set_iopl_mask)(unsigned int);
      void (*wbinvd)();
      void (*io_delay)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int, int *);
      int (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*usergs_sysret64)();
      void (*usergs_sysret32)();
      void (*iret)();
      void (*swapgs)();
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 4.8: ✅

  struct pv_cpu_ops {
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      void (*clts)();
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      long unsigned int (*read_cr4_safe)();
      long unsigned int (*read_cr4)();
      void (*write_cr4)(long unsigned int);
      long unsigned int (*read_cr8)();
      void (*write_cr8)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*store_idt)(struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(struct tss_struct *, struct thread_struct *);
      void (*set_iopl_mask)(unsigned int);
      void (*wbinvd)();
      void (*io_delay)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*usergs_sysret64)();
      void (*iret)();
      void (*swapgs)();
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 4.10: ✅

  struct pv_cpu_ops {
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      long unsigned int (*read_cr4)();
      void (*write_cr4)(long unsigned int);
      long unsigned int (*read_cr8)();
      void (*write_cr8)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*store_idt)(struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(struct tss_struct *, struct thread_struct *);
      void (*set_iopl_mask)(unsigned int);
      void (*wbinvd)();
      void (*io_delay)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*usergs_sysret64)();
      void (*iret)();
      void (*swapgs)();
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 4.13: ✅

  struct pv_cpu_ops {
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      long unsigned int (*read_cr4)();
      void (*write_cr4)(long unsigned int);
      long unsigned int (*read_cr8)();
      void (*write_cr8)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*store_idt)(struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(struct tss_struct *, struct thread_struct *);
      void (*set_iopl_mask)(unsigned int);
      void (*wbinvd)();
      void (*io_delay)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*usergs_sysret64)();
      void (*iret)();
      void (*swapgs)();
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 4.15: ✅

  struct pv_cpu_ops {
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      long unsigned int (*read_cr8)();
      void (*write_cr8)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*set_iopl_mask)(unsigned int);
      void (*wbinvd)();
      void (*io_delay)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*usergs_sysret64)();
      void (*iret)();
      void (*swapgs)();
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 4.18: ✅

  struct pv_cpu_ops {
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      long unsigned int (*read_cr8)();
      void (*write_cr8)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*set_iopl_mask)(unsigned int);
      void (*wbinvd)();
      void (*io_delay)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*usergs_sysret64)();
      void (*iret)();
      void (*swapgs)();
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 5.0: ✅

  struct pv_cpu_ops {
      void (*io_delay)();
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      long unsigned int (*read_cr8)();
      void (*write_cr8)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*set_iopl_mask)(unsigned int);
      void (*wbinvd)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*usergs_sysret64)();
      void (*iret)();
      void (*swapgs)();
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 5.3: ✅

  struct pv_cpu_ops {
      void (*io_delay)();
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      long unsigned int (*read_cr8)();
      void (*write_cr8)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*set_iopl_mask)(unsigned int);
      void (*wbinvd)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*usergs_sysret64)();
      void (*iret)();
      void (*swapgs)();
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 5.4: ✅

  struct pv_cpu_ops {
      void (*io_delay)();
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*set_iopl_mask)(unsigned int);
      void (*wbinvd)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*usergs_sysret64)();
      void (*iret)();
      void (*swapgs)();
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 5.8: ✅

  struct pv_cpu_ops {
      void (*io_delay)();
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*invalidate_io_bitmap)();
      void (*update_io_bitmap)();
      void (*wbinvd)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*usergs_sysret64)();
      void (*iret)();
      void (*swapgs)();
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 5.11: ✅

  struct pv_cpu_ops {
      void (*io_delay)();
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*invalidate_io_bitmap)();
      void (*update_io_bitmap)();
      void (*wbinvd)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*usergs_sysret64)();
      void (*iret)();
      void (*swapgs)();
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 5.13: ✅

  struct pv_cpu_ops {
      void (*io_delay)();
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*invalidate_io_bitmap)();
      void (*update_io_bitmap)();
      void (*wbinvd)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 5.15: ✅

  struct pv_cpu_ops {
      void (*io_delay)();
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*invalidate_io_bitmap)();
      void (*update_io_bitmap)();
      void (*wbinvd)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 5.19: ✅

  struct pv_cpu_ops {
      void (*io_delay)();
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*invalidate_io_bitmap)();
      void (*update_io_bitmap)();
      void (*wbinvd)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 6.2: ✅

  struct pv_cpu_ops {
      void (*io_delay)();
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*invalidate_io_bitmap)();
      void (*update_io_bitmap)();
      void (*wbinvd)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 6.5: ✅

  struct pv_cpu_ops {
      void (*io_delay)();
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*invalidate_io_bitmap)();
      void (*update_io_bitmap)();
      void (*wbinvd)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In 6.8: ✅

  struct pv_cpu_ops {
      void (*io_delay)();
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*invalidate_io_bitmap)();
      void (*update_io_bitmap)();
      void (*wbinvd)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

Arch

• In arm64: Absent ⚠️
• In armhf: Absent ⚠️
• In ppc64el: Absent ⚠️
• In riscv64: Absent ⚠️

Flavor

• In aws: ✅

  struct pv_cpu_ops {
      void (*io_delay)();
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*set_iopl_mask)(unsigned int);
      void (*wbinvd)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*usergs_sysret64)();
      void (*iret)();
      void (*swapgs)();
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In azure: ✅

  struct pv_cpu_ops {
      void (*io_delay)();
  };
  

• In gcp: ✅

  struct pv_cpu_ops {
      void (*io_delay)();
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*set_iopl_mask)(unsigned int);
      void (*wbinvd)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*usergs_sysret64)();
      void (*iret)();
      void (*swapgs)();
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

• In lowlatency: ✅

  struct pv_cpu_ops {
      void (*io_delay)();
      long unsigned int (*get_debugreg)(int);
      void (*set_debugreg)(int, long unsigned int);
      long unsigned int (*read_cr0)();
      void (*write_cr0)(long unsigned int);
      void (*write_cr4)(long unsigned int);
      void (*load_tr_desc)();
      void (*load_gdt)(const struct desc_ptr *);
      void (*load_idt)(const struct desc_ptr *);
      void (*set_ldt)(const void *, unsigned int);
      long unsigned int (*store_tr)();
      void (*load_tls)(struct thread_struct *, unsigned int);
      void (*load_gs_index)(unsigned int);
      void (*write_ldt_entry)(struct desc_struct *, int, const void *);
      void (*write_gdt_entry)(struct desc_struct *, int, const void *, int);
      void (*write_idt_entry)(gate_desc *, int, const gate_desc *);
      void (*alloc_ldt)(struct desc_struct *, unsigned int);
      void (*free_ldt)(struct desc_struct *, unsigned int);
      void (*load_sp0)(long unsigned int);
      void (*set_iopl_mask)(unsigned int);
      void (*wbinvd)();
      void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *);
      u64 (*read_msr)(unsigned int);
      void (*write_msr)(unsigned int, unsigned int, unsigned int);
      u64 (*read_msr_safe)(unsigned int, int *);
      int (*write_msr_safe)(unsigned int, unsigned int, unsigned int);
      u64 (*read_pmc)(int);
      void (*usergs_sysret64)();
      void (*iret)();
      void (*swapgs)();
      void (*start_context_switch)(struct task_struct *);
      void (*end_context_switch)(struct task_struct *);
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field added. u64 (*read_msr_safe)(unsigned int, int *)
  • Field added. int (*write_msr_safe)(unsigned int, unsigned int, unsigned int)
  • Field removed. void (*usergs_sysret32)()
  • Field type changed. u64 (*read_msr)(unsigned int, int *) ➡️ u64 (*read_msr)(unsigned int)
  • Field type changed. int (*write_msr)(unsigned int, unsigned int, unsigned int) ➡️ void (*write_msr)(unsigned int, unsigned int, unsigned int)
• Changed between 4.8 and 4.10 ⚠️

  • Field removed. void (*clts)()
  • Field removed. long unsigned int (*read_cr4_safe)()
• No changes between 4.10 and 4.13 ✅
• Changed between 4.13 and 4.15 ⚠️

  • Field removed. long unsigned int (*read_cr4)()
  • Field removed. void (*store_idt)(struct desc_ptr *)
  • Field type changed. void (*load_sp0)(struct tss_struct *, struct thread_struct *) ➡️ void (*load_sp0)(long unsigned int)
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• No changes between 5.0 and 5.3 ✅
• Changed between 5.3 and 5.4 ⚠️

  • Field removed. long unsigned int (*read_cr8)()
  • Field removed. void (*write_cr8)(long unsigned int)
• Changed between 5.4 and 5.8 ⚠️

  • Field added. void (*invalidate_io_bitmap)()
  • Field added. void (*update_io_bitmap)()
  • Field removed. void (*set_iopl_mask)(unsigned int)
• No changes between 5.8 and 5.11 ✅
• Changed between 5.11 and 5.13 ⚠️

  • Field removed. void (*usergs_sysret64)()
  • Field removed. void (*iret)()
  • Field removed. void (*swapgs)()
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅

Arch

Flavor

• No changes between generic and aws ✅
• Changed between generic and azure ⚠️

  • Field removed. long unsigned int (*get_debugreg)(int)
  • Field removed. void (*set_debugreg)(int, long unsigned int)
  • Field removed. long unsigned int (*read_cr0)()
  • Field removed. void (*write_cr0)(long unsigned int)
  • Field removed. void (*write_cr4)(long unsigned int)
  • Field removed. void (*load_tr_desc)()
  • Field removed. void (*load_gdt)(const struct desc_ptr *)
  • Field removed. void (*load_idt)(const struct desc_ptr *)
  • Field removed. void (*set_ldt)(const void *, unsigned int)
  • Field removed. long unsigned int (*store_tr)()
  • Field removed. void (*load_tls)(struct thread_struct *, unsigned int)
  • Field removed. void (*load_gs_index)(unsigned int)
  • Field removed. void (*write_ldt_entry)(struct desc_struct *, int, const void *)
  • Field removed. void (*write_gdt_entry)(struct desc_struct *, int, const void *, int)
  • Field removed. void (*write_idt_entry)(gate_desc *, int, const gate_desc *)
  • Field removed. void (*alloc_ldt)(struct desc_struct *, unsigned int)
  • Field removed. void (*free_ldt)(struct desc_struct *, unsigned int)
  • Field removed. void (*load_sp0)(long unsigned int)
  • Field removed. void (*set_iopl_mask)(unsigned int)
  • Field removed. void (*wbinvd)()
  • Field removed. void (*cpuid)(unsigned int *, unsigned int *, unsigned int *, unsigned int *)
  • Field removed. u64 (*read_msr)(unsigned int)
  • Field removed. void (*write_msr)(unsigned int, unsigned int, unsigned int)
  • Field removed. u64 (*read_msr_safe)(unsigned int, int *)
  • Field removed. int (*write_msr_safe)(unsigned int, unsigned int, unsigned int)
  • Field removed. u64 (*read_pmc)(int)
  • Field removed. void (*usergs_sysret64)()
  • Field removed. void (*iret)()
  • Field removed. void (*swapgs)()
  • Field removed. void (*start_context_switch)(struct task_struct *)
  • Field removed. void (*end_context_switch)(struct task_struct *)
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅