Re: call_rcu from trace_preempt

Alexei Starovoitov
2015-06-16T06:25:27Z

On 6/15/15 11:06 PM, Daniel Wagner wrote:
>> with the above 'fix' the trace.patch is now passing.
> It still crashes for me with the original test program
>
> [ 145.908013] [<ffffffff810d1da1>] ? __rcu_reclaim+0x101/0x3d0
> [ 145.908013] [<ffffffff810d1ca0>] ? rcu_barrier_func+0x250/0x250
> [ 145.908013] [<ffffffff810abc03>] ? trace_hardirqs_on_caller+0xf3/0x240
> [ 145.908013] [<ffffffff810d9afa>] rcu_do_batch+0x2ea/0x6b0

yes. full bpf test still crashes.
That's why I said trace.patch is passing ;)
There is something else in there. One 'fix' at a time.