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SubjectRe: linux-next: Tree for June 23
On Mon, Jun 23, 2008 at 10:25 AM, Stephen Rothwell <> wrote:
> I have created today's linux-next tree at
> git://
> (patches at
> If you
> are tracking the linux-next tree using git, you should not use "git pull"
> to do so as that will try to merge the new linux-next release with the
> old one. You should use "git fetch" as mentioned in the FAQ on the wiki
> (see below).


I got this:

Testing tracer sched_switch: PASSED
Testing tracer sysprof: PASSED
Testing tracer ftrace: PASSED
Testing dynamic ftrace: PASSED
Testing tracer irqsoff: PASSED
Testing tracer preemptoff: PASSED
Testing tracer preemptirqsoff: <4>------------[ cut here ]------------
WARNING: at kernel/lockdep.c:2680 check_flags+0x142/0x160()
Pid: 2, comm: kthreadd Not tainted 2.6.26-rc6-next-20080620 #34
[<c01388a4>] warn_on_slowpath+0x54/0x70
[<c015a9d5>] ? trace_hardirqs_off_caller+0x15/0xb0
[<c015aa7b>] ? trace_hardirqs_off+0xb/0x10
[<c0109e85>] ? native_sched_clock+0xb5/0x110
[<c05bdb28>] ? _spin_unlock_irqrestore+0x48/0x80
[<c02b5748>] ? debug_locks_off+0x8/0x50
[<c017dcbe>] ? ftrace_record_ip+0x12e/0x240
[<c010455c>] ? mcount_call+0x5/0x9
[<c0159f22>] check_flags+0x142/0x160
[<c014d3c0>] ? kthreadd+0xf0/0x160
[<c015e089>] lock_acquire+0x59/0xd0
[<c014d3c0>] ? kthreadd+0xf0/0x160
[<c05bd2ad>] _spin_lock+0x3d/0x70
[<c014d3c0>] ? kthreadd+0xf0/0x160
[<c014d3c0>] kthreadd+0xf0/0x160
[<c014d2d0>] ? kthreadd+0x0/0x160
[<c0104547>] kernel_thread_helper+0x7/0x10
---[ end trace a7919e7f17c0a725 ]---
possible reason: unannotated irqs-on.
irq event stamp: 3198
hardirqs last enabled at (3197): [<c015cb2b>] trace_hardirqs_on+0xb/0x10
hardirqs last disabled at (3198): [<c015aa7b>] trace_hardirqs_off+0xb/0x10
softirqs last enabled at (0): [<c01370ad>] copy_process+0x43d/0x1120
softirqs last disabled at (0): [<00000000>] 0x0
Testing tracer wakeup: PASSED

Also, shouldn't there be a MAINTAINERS entry or some file in
Documentation/ for ftrace?


"The animistic metaphor of the bug that maliciously sneaked in while
the programmer was not looking is intellectually dishonest as it
disguises that the error is the programmer's own creation."
-- E. W. Dijkstra, EWD1036

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