1640 	struct tss_struct *tss;  in enable_sep_cpu()  local
1647 	tss = &per_cpu(cpu_tss_rw, cpu);  in enable_sep_cpu()
1654 	tss->x86_tss.ss1 = __KERNEL_CS;  in enable_sep_cpu()
1655 	wrmsr(MSR_IA32_SYSENTER_CS, tss->x86_tss.ss1, 0);  in enable_sep_cpu()
1886 static inline void tss_setup_ist(struct tss_struct *tss)  in tss_setup_ist()  argument
1889 	tss->x86_tss.ist[IST_INDEX_DF] = __this_cpu_ist_top_va(DF);  in tss_setup_ist()
1890 	tss->x86_tss.ist[IST_INDEX_NMI] = __this_cpu_ist_top_va(NMI);  in tss_setup_ist()
1891 	tss->x86_tss.ist[IST_INDEX_DB] = __this_cpu_ist_top_va(DB);  in tss_setup_ist()
1892 	tss->x86_tss.ist[IST_INDEX_MCE] = __this_cpu_ist_top_va(MCE);  in tss_setup_ist()
1894 	tss->x86_tss.ist[IST_INDEX_VC] = __this_cpu_ist_top_va(VC);  in tss_setup_ist()
1906 static inline void tss_setup_ist(struct tss_struct *tss) { }  in tss_setup_ist()  argument
1910 static inline void tss_setup_io_bitmap(struct tss_struct *tss)  in tss_setup_io_bitmap()  argument
1912 	tss->x86_tss.io_bitmap_base = IO_BITMAP_OFFSET_INVALID;  in tss_setup_io_bitmap()
1915 	tss->io_bitmap.prev_max = 0;  in tss_setup_io_bitmap()
1916 	tss->io_bitmap.prev_sequence = 0;  in tss_setup_io_bitmap()
1917 	memset(tss->io_bitmap.bitmap, 0xff, sizeof(tss->io_bitmap.bitmap));  in tss_setup_io_bitmap()
1922 	tss->io_bitmap.mapall[IO_BITMAP_LONGS] = ~0UL;  in tss_setup_io_bitmap()
1932 	struct tss_struct *tss = this_cpu_ptr(&cpu_tss_rw);  in cpu_init_exception_handling()  local
1939 	tss_setup_ist(tss);  in cpu_init_exception_handling()
1940 	tss_setup_io_bitmap(tss);  in cpu_init_exception_handling()
1941 	set_tss_desc(cpu, &get_cpu_entry_area(cpu)->tss.x86_tss);  in cpu_init_exception_handling()