x86, perf, bts, mm: Delete the never used BTS-ptrace code
[linux-3.10.git] / arch / x86 / kernel / process_32.c
index f6c6266..75090c5 100644 (file)
@@ -55,7 +55,6 @@
 #include <asm/cpu.h>
 #include <asm/idle.h>
 #include <asm/syscalls.h>
-#include <asm/ds.h>
 #include <asm/debugreg.h>
 
 asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
@@ -238,13 +237,6 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
                kfree(p->thread.io_bitmap_ptr);
                p->thread.io_bitmap_max = 0;
        }
-
-       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;
-
        return err;
 }