On 2/11/2016 2:41 AM, James Morse wrote:
Hi!
On 10/02/16 18:12, Shi, Yang wrote:
On 2/10/2016 4:10 AM, Will Deacon wrote:
On Wed, Feb 10, 2016 at 11:52:31AM +, James Morse wrote:
On 10/02/16 10:29, Will Deacon wrote:
On Tue, Feb 09, 2016 at 01:26:22PM -0800, Yang Shi wrote:
dump_backtra
Hi!
On 10/02/16 18:12, Shi, Yang wrote:
> On 2/10/2016 4:10 AM, Will Deacon wrote:
>> On Wed, Feb 10, 2016 at 11:52:31AM +, James Morse wrote:
>>> On 10/02/16 10:29, Will Deacon wrote:
On Tue, Feb 09, 2016 at 01:26:22PM -0800, Yang Shi wrote:
> dump_backtrace may be called in kthread
On 2/10/2016 4:10 AM, Will Deacon wrote:
On Wed, Feb 10, 2016 at 11:52:31AM +, James Morse wrote:
On 10/02/16 10:29, Will Deacon wrote:
On Tue, Feb 09, 2016 at 01:26:22PM -0800, Yang Shi wrote:
dump_backtrace may be called in kthread context, which is not bound to a single
cpu, i.e. khungt
On Wed, Feb 10, 2016 at 11:52:31AM +, James Morse wrote:
> On 10/02/16 10:29, Will Deacon wrote:
> > On Tue, Feb 09, 2016 at 01:26:22PM -0800, Yang Shi wrote:
> >> dump_backtrace may be called in kthread context, which is not bound to a
> >> single
> >> cpu, i.e. khungtaskd, then calling smp_p
On 10/02/16 10:29, Will Deacon wrote:
> On Tue, Feb 09, 2016 at 01:26:22PM -0800, Yang Shi wrote:
>> dump_backtrace may be called in kthread context, which is not bound to a
>> single
>> cpu, i.e. khungtaskd, then calling smp_processor_id may trigger the below bug
>> report:
>
> If we're preempti
On Tue, Feb 09, 2016 at 01:26:22PM -0800, Yang Shi wrote:
> dump_backtrace may be called in kthread context, which is not bound to a
> single
> cpu, i.e. khungtaskd, then calling smp_processor_id may trigger the below bug
> report:
If we're preemptible here, it means that our irq_stack_ptr is pot
dump_backtrace may be called in kthread context, which is not bound to a single
cpu, i.e. khungtaskd, then calling smp_processor_id may trigger the below bug
report:
BUG: using smp_processor_id() in preemptible [] code: khungtaskd/71
caller is debug_smp_processor_id+0x1c/0x28
CPU: 3 PID: 7
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