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x86, ptrace: add bts context unconditionally

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Add the ptrace bts context field to task_struct unconditionally.

Initialize the field directly in copy_process().
Remove all the unneeded functionality used to initialize that field.

Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
Cc: roland@redhat.com
Cc: eranian@googlemail.com
Cc: oleg@redhat.com
Cc: juan.villacis@intel.com
Cc: ak@linux.jf.intel.com
LKML-Reference: <20090403144603.292754000@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Markus Metzger
2009-04-03 16:43:48 +02:00
committed by Ingo Molnar
parent ee811517a5
commit 0f4814065f
6 changed files with 7 additions and 48 deletions
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9
arch/x86/include/asm/ptrace.h
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@@ -235,12 +235,11 @@ extern int do_get_thread_area(struct task_struct *p, int idx,
extern int do_set_thread_area(struct task_struct *p, int idx,
struct user_desc __user *info, int can_allocate);
extern void x86_ptrace_untrace(struct task_struct *);
extern void x86_ptrace_fork(struct task_struct *child,
unsigned long clone_flags);
#ifdef CONFIG_X86_PTRACE_BTS
extern void ptrace_bts_untrace(struct task_struct *tsk);
#define arch_ptrace_untrace(tsk) x86_ptrace_untrace(tsk)
#define arch_ptrace_fork(child, flags) x86_ptrace_fork(child, flags)
#define arch_ptrace_untrace(tsk) ptrace_bts_untrace(tsk)
#endif /* CONFIG_X86_PTRACE_BTS */
#endif /* __KERNEL__ */