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Diffstat (limited to 'arch/x86/kernel/process_64.c')
-rw-r--r--arch/x86/kernel/process_64.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 0e0b4288a4b2..bbfbf017065c 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -60,6 +60,8 @@
#include <asm/unistd_32_ia32.h>
#endif
+#include "process.h"
+
/* Prints also some state that isn't saved in the pt_regs */
void __show_regs(struct pt_regs *regs, enum show_regs_mode mode)
{
@@ -553,7 +555,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
struct fpu *prev_fpu = &prev->fpu;
struct fpu *next_fpu = &next->fpu;
int cpu = smp_processor_id();
- struct tss_struct *tss = &per_cpu(cpu_tss_rw, cpu);
WARN_ON_ONCE(IS_ENABLED(CONFIG_DEBUG_ENTRY) &&
this_cpu_read(irq_count) != -1);
@@ -617,12 +618,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
/* Reload sp0. */
update_task_stack(next_p);
- /*
- * Now maybe reload the debug registers and handle I/O bitmaps
- */
- if (unlikely(task_thread_info(next_p)->flags & _TIF_WORK_CTXSW_NEXT ||
- task_thread_info(prev_p)->flags & _TIF_WORK_CTXSW_PREV))
- __switch_to_xtra(prev_p, next_p, tss);
+ switch_to_extra(prev_p, next_p);
#ifdef CONFIG_XEN_PV
/*