diff options
Diffstat (limited to 'arch/x86/xen/enlighten_pv.c')
| -rw-r--r-- | arch/x86/xen/enlighten_pv.c | 85 |
1 files changed, 34 insertions, 51 deletions
diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index b74ff8bc7f2a..6e459e47cafd 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -426,7 +426,6 @@ static void xen_start_context_switch(struct task_struct *prev) if (this_cpu_read(xen_lazy_mode) == XEN_LAZY_MMU) { arch_leave_lazy_mmu_mode(); - set_ti_thread_flag(task_thread_info(prev), TIF_LAZY_MMU_UPDATES); } enter_lazy(XEN_LAZY_CPU); } @@ -437,7 +436,7 @@ static void xen_end_context_switch(struct task_struct *next) xen_mc_flush(); leave_lazy(XEN_LAZY_CPU); - if (test_and_clear_ti_thread_flag(task_thread_info(next), TIF_LAZY_MMU_UPDATES)) + if (__task_lazy_mmu_mode_active(next)) arch_enter_lazy_mmu_mode(); } @@ -1212,54 +1211,6 @@ static const struct pv_info xen_info __initconst = { .name = "Xen", }; -static const typeof(pv_ops) xen_cpu_ops __initconst = { - .cpu = { - .cpuid = xen_cpuid, - - .set_debugreg = xen_set_debugreg, - .get_debugreg = xen_get_debugreg, - - .read_cr0 = xen_read_cr0, - .write_cr0 = xen_write_cr0, - - .write_cr4 = xen_write_cr4, - - .read_msr = xen_read_msr, - .write_msr = xen_write_msr, - - .read_msr_safe = xen_read_msr_safe, - .write_msr_safe = xen_write_msr_safe, - - .read_pmc = xen_read_pmc, - - .load_tr_desc = paravirt_nop, - .set_ldt = xen_set_ldt, - .load_gdt = xen_load_gdt, - .load_idt = xen_load_idt, - .load_tls = xen_load_tls, - .load_gs_index = xen_load_gs_index, - - .alloc_ldt = xen_alloc_ldt, - .free_ldt = xen_free_ldt, - - .store_tr = xen_store_tr, - - .write_ldt_entry = xen_write_ldt_entry, - .write_gdt_entry = xen_write_gdt_entry, - .write_idt_entry = xen_write_idt_entry, - .load_sp0 = xen_load_sp0, - -#ifdef CONFIG_X86_IOPL_IOPERM - .invalidate_io_bitmap = xen_invalidate_io_bitmap, - .update_io_bitmap = xen_update_io_bitmap, -#endif - .io_delay = xen_io_delay, - - .start_context_switch = xen_start_context_switch, - .end_context_switch = xen_end_context_switch, - }, -}; - static void xen_restart(char *msg) { xen_reboot(SHUTDOWN_reboot); @@ -1411,7 +1362,39 @@ asmlinkage __visible void __init xen_start_kernel(struct start_info *si) /* Install Xen paravirt ops */ pv_info = xen_info; - pv_ops.cpu = xen_cpu_ops.cpu; + + pv_ops.cpu.cpuid = xen_cpuid; + pv_ops.cpu.set_debugreg = xen_set_debugreg; + pv_ops.cpu.get_debugreg = xen_get_debugreg; + pv_ops.cpu.read_cr0 = xen_read_cr0; + pv_ops.cpu.write_cr0 = xen_write_cr0; + pv_ops.cpu.write_cr4 = xen_write_cr4; + pv_ops.cpu.read_msr = xen_read_msr; + pv_ops.cpu.write_msr = xen_write_msr; + pv_ops.cpu.read_msr_safe = xen_read_msr_safe; + pv_ops.cpu.write_msr_safe = xen_write_msr_safe; + pv_ops.cpu.read_pmc = xen_read_pmc; + pv_ops.cpu.load_tr_desc = paravirt_nop; + pv_ops.cpu.set_ldt = xen_set_ldt; + pv_ops.cpu.load_gdt = xen_load_gdt; + pv_ops.cpu.load_idt = xen_load_idt; + pv_ops.cpu.load_tls = xen_load_tls; + pv_ops.cpu.load_gs_index = xen_load_gs_index; + pv_ops.cpu.alloc_ldt = xen_alloc_ldt; + pv_ops.cpu.free_ldt = xen_free_ldt; + pv_ops.cpu.store_tr = xen_store_tr; + pv_ops.cpu.write_ldt_entry = xen_write_ldt_entry; + pv_ops.cpu.write_gdt_entry = xen_write_gdt_entry; + pv_ops.cpu.write_idt_entry = xen_write_idt_entry; + pv_ops.cpu.load_sp0 = xen_load_sp0; +#ifdef CONFIG_X86_IOPL_IOPERM + pv_ops.cpu.invalidate_io_bitmap = xen_invalidate_io_bitmap; + pv_ops.cpu.update_io_bitmap = xen_update_io_bitmap; +#endif + pv_ops.cpu.io_delay = xen_io_delay; + pv_ops.cpu.start_context_switch = xen_start_context_switch; + pv_ops.cpu.end_context_switch = xen_end_context_switch; + xen_init_irq_ops(); /* |