diff options
Diffstat (limited to 'arch/x86/include/asm/processor.h')
| -rw-r--r-- | arch/x86/include/asm/processor.h | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index f1b9ed5efaa9..185142b84ebe 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -314,11 +314,6 @@ struct x86_hw_tss { struct x86_hw_tss { u32 reserved1; u64 sp0; - - /* - * We store cpu_current_top_of_stack in sp1 so it's always accessible. - * Linux does not use ring 1, so sp1 is not otherwise needed. - */ u64 sp1; /* @@ -426,12 +421,7 @@ struct irq_stack { char stack[IRQ_STACK_SIZE]; } __aligned(IRQ_STACK_SIZE); -#ifdef CONFIG_X86_32 DECLARE_PER_CPU(unsigned long, cpu_current_top_of_stack); -#else -/* The RO copy can't be accessed with this_cpu_xyz(), so use the RW copy. */ -#define cpu_current_top_of_stack cpu_tss_rw.x86_tss.sp1 -#endif #ifdef CONFIG_X86_64 struct fixed_percpu_data { @@ -527,7 +517,7 @@ struct thread_struct { struct io_bitmap *io_bitmap; /* - * IOPL. Priviledge level dependent I/O permission which is + * IOPL. Privilege level dependent I/O permission which is * emulated via the I/O bitmap to prevent user space from disabling * interrupts. */ |