summaryrefslogtreecommitdiffstats
path: root/arch/ia64/kernel
diff options
context:
space:
mode:
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-01-29 11:33:37 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-01-29 11:33:37 +1100
commitdfd0436ad0ce139467b124c646fa65ee2635e14a (patch)
treeabf9d83c704417cdd484243c12aeffee6b185aba /arch/ia64/kernel
parentb9818c3312da66f4b83a4a2e8650628be1237cb5 (diff)
parent689dfa894c57842a05bf6dc9f97e6bb71ec5f386 (diff)
Merge branch 'merge' into next
Merge "merge" branch to bring in various bug fixes that are going into 3.8
Diffstat (limited to 'arch/ia64/kernel')
-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 4265ff64219..b7a5fffe092 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.
*/