diff options
Diffstat (limited to 'arch/x86/power/cpu.c')
| -rw-r--r-- | arch/x86/power/cpu.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c index 50593e138281..04d5157fe7f8 100644 --- a/arch/x86/power/cpu.c +++ b/arch/x86/power/cpu.c @@ -160,18 +160,19 @@ static void do_fpu_end(void) static void fix_processor_context(void) { int cpu = smp_processor_id(); - struct tss_struct *t = &per_cpu(cpu_tss, cpu); #ifdef CONFIG_X86_64 struct desc_struct *desc = get_cpu_gdt_rw(cpu); tss_desc tss; #endif /* - * This just modifies memory; should not be necessary. But... This is - * necessary, because 386 hardware has concept of busy TSS or some - * similar stupidity. + * We need to reload TR, which requires that we change the + * GDT entry to indicate "available" first. + * + * XXX: This could probably all be replaced by a call to + * force_reload_TR(). */ - set_tss_desc(cpu, &t->x86_tss); + set_tss_desc(cpu, &get_cpu_entry_area(cpu)->tss.x86_tss); #ifdef CONFIG_X86_64 memcpy(&tss, &desc[GDT_ENTRY_TSS], sizeof(tss_desc)); |
