[PATCH] i386: fix task_pt_regs()

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From: Al Viro <viro@ftp.linux.org.uk>

task_pt_regs() needs the same offset-by-8 to match copy_thread()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index a9bf5f222e47..255adb498268 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -875,8 +875,7 @@ static inline struct task_struct * alloc_idle_task(int cpu)
                 /* initialize thread_struct.  we really want to avoid destroy
                  * idle tread
                  */
-                idle->thread.esp = (unsigned long)(((struct pt_regs *)
-                        (THREAD_SIZE + (unsigned long) idle->thread_info)) - 1);
+                idle->thread.esp = (unsigned long)task_pt_regs(idle);
                 init_idle(idle, cpu);
                 return idle;
         }