Merge branches 'gemini' and 'misc' into devel

1 files changed, 3 insertions, 11 deletions

diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index dc9690b4c4cc..3c2422a99f1f 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -49,7 +49,6 @@
 #include <asm/ia32.h>
 #include <asm/idle.h>
 #include <asm/syscalls.h>
-#include <asm/ds.h>
 #include <asm/debugreg.h>
 
 asmlinkage extern void ret_from_fork(void);
@@ -276,12 +275,12 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
 
         set_tsk_thread_flag(p, TIF_FORK);
 
-        p->thread.fs = me->thread.fs;
-        p->thread.gs = me->thread.gs;
         p->thread.io_bitmap_ptr = NULL;
 
         savesegment(gs, p->thread.gsindex);
+        p->thread.gs = p->thread.gsindex ? 0 : me->thread.gs;
         savesegment(fs, p->thread.fsindex);
+        p->thread.fs = p->thread.fsindex ? 0 : me->thread.fs;
         savesegment(es, p->thread.es);
         savesegment(ds, p->thread.ds);
 
@@ -313,13 +312,6 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
                 if (err)
                         goto out;
         }
-
-        clear_tsk_thread_flag(p, TIF_DS_AREA_MSR);
-        p->thread.ds_ctx = NULL;
-
-        clear_tsk_thread_flag(p, TIF_DEBUGCTLMSR);
-        p->thread.debugctlmsr = 0;
-
         err = 0;
 out:
         if (err && p->thread.io_bitmap_ptr) {
@@ -396,7 +388,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 
         /* we're going to use this soon, after a few expensive things */
         if (preload_fpu)
-                prefetch(next->xstate);
+                prefetch(next->fpu.state);
 
         /*
          * Reload esp0, LDT and the page table pointer: