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| author | Dave Airlie <airlied@redhat.com> | 2013-02-08 03:10:18 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2013-02-08 03:10:18 +0100 |
| commit | 6dc1c49da6dd3bf020a66b2a135b9625ac01c2c7 (patch) | |
| tree | 38a6c5d4896de01449e9d224088ae223161fcd3c /arch/ia64 | |
| parent | Merge tag 'drm-intel-next-2013-02-01' of git://people.freedesktop.org/~danvet... (diff) | |
| parent | Revert "Revert "console: implement lockdep support for console_lock"" (diff) | |
| download | linux-6dc1c49da6dd3bf020a66b2a135b9625ac01c2c7.tar.xz linux-6dc1c49da6dd3bf020a66b2a135b9625ac01c2c7.zip | |
Merge branch 'fbcon-locking-fixes' of ssh://people.freedesktop.org/~airlied/linux into drm-next
This pulls in most of Linus tree up to -rc6, this fixes the worst lockdep
reported issues and re-enables fbcon lockdep.
(not the fbcon maintainer)
* 'fbcon-locking-fixes' of ssh://people.freedesktop.org/~airlied/linux: (529 commits)
Revert "Revert "console: implement lockdep support for console_lock""
fbcon: fix locking harder
fb: Yet another band-aid for fixing lockdep mess
fb: rework locking to fix lock ordering on takeover
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/kernel/ptrace.c | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c index 4265ff64219b..b7a5fffe0924 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. */ |