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authorTakashi Iwai <tiwai@suse.de>2013-02-01 06:22:47 (GMT)
committerTakashi Iwai <tiwai@suse.de>2013-02-01 06:22:47 (GMT)
commit8058e14259ddc8c1824387198fc53700ed4cccc9 (patch)
treefaffb83ca5173e5f3cbfd4170de603ada4812e23 /arch/ia64/kernel/ptrace.c
parent9ddf1aeb2134e72275c97a2c6ff2e3eb04f2f27a (diff)
parent7da58046482fceb17c4a0d4afefd9507ec56de7f (diff)
downloadlinux-fsl-qoriq-8058e14259ddc8c1824387198fc53700ed4cccc9.tar.xz
Merge branch 'usb-audio-fix' of git://git.alsa-project.org/alsa-kprivate into for-linus
Diffstat (limited to 'arch/ia64/kernel/ptrace.c')
-rw-r--r--arch/ia64/kernel/ptrace.c27
1 files changed, 0 insertions, 27 deletions
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 4265ff6..b7a5fff 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -672,33 +672,6 @@ ptrace_attach_sync_user_rbs (struct task_struct *child)
read_unlock(&tasklist_lock);
}
-static inline int
-thread_matches (struct task_struct *thread, unsigned long addr)
-{
- unsigned long thread_rbs_end;
- struct pt_regs *thread_regs;
-
- if (ptrace_check_attach(thread, 0) < 0)
- /*
- * If the thread is not in an attachable state, we'll
- * ignore it. The net effect is that if ADDR happens
- * to overlap with the portion of the thread's
- * register backing store that is currently residing
- * on the thread's kernel stack, then ptrace() may end
- * up accessing a stale value. But if the thread
- * isn't stopped, that's a problem anyhow, so we're
- * doing as well as we can...
- */
- return 0;
-
- thread_regs = task_pt_regs(thread);
- thread_rbs_end = ia64_get_user_rbs_end(thread, thread_regs, NULL);
- if (!on_kernel_rbs(addr, thread_regs->ar_bspstore, thread_rbs_end))
- return 0;
-
- return 1; /* looks like we've got a winner */
-}
-
/*
* Write f32-f127 back to task->thread.fph if it has been modified.
*/