On Tue, Sep 01, 2020 at 04:28:19AM +0800, Mathieu Poirier wrote:
> On Fri, Aug 28, 2020 at 11:18:18AM +0800, Tingwei Zhang wrote:
> > On Fri, Aug 28, 2020 at 02:12:53AM +0800, Mathieu Poirier wrote:
> > > Hi Tingwei,
> > >
> > > On Tue, Aug 18, 2020 at 07:10:57PM +0800, Tingwei Zhang wrote:
> > >
On Fri, Aug 28, 2020 at 11:18:18AM +0800, Tingwei Zhang wrote:
> On Fri, Aug 28, 2020 at 02:12:53AM +0800, Mathieu Poirier wrote:
> > Hi Tingwei,
> >
> > On Tue, Aug 18, 2020 at 07:10:57PM +0800, Tingwei Zhang wrote:
> > > Deadlock as below is triggered by one CPU holds drvdata->spinlock
> > >
On Fri, Aug 28, 2020 at 02:12:53AM +0800, Mathieu Poirier wrote:
> Hi Tingwei,
>
> On Tue, Aug 18, 2020 at 07:10:57PM +0800, Tingwei Zhang wrote:
> > Deadlock as below is triggered by one CPU holds drvdata->spinlock
> > and calls cti_enable_hw(). Smp_call_function_single() is called
> > in
On Tue, Aug 18, 2020 at 07:10:57PM +0800, Tingwei Zhang wrote:
> Deadlock as below is triggered by one CPU holds drvdata->spinlock
> and calls cti_enable_hw(). Smp_call_function_single() is called
> in cti_enable_hw() and tries to let another CPU write CTI registers.
> That CPU is trying to get
Hi Tingwei,
On Tue, Aug 18, 2020 at 07:10:57PM +0800, Tingwei Zhang wrote:
> Deadlock as below is triggered by one CPU holds drvdata->spinlock
> and calls cti_enable_hw(). Smp_call_function_single() is called
> in cti_enable_hw() and tries to let another CPU write CTI registers.
> That CPU is
Hi Tingwei
On Tue, 18 Aug 2020 at 12:11, Tingwei Zhang wrote:
>
> Deadlock as below is triggered by one CPU holds drvdata->spinlock
> and calls cti_enable_hw(). Smp_call_function_single() is called
> in cti_enable_hw() and tries to let another CPU write CTI registers.
> That CPU is trying to get
Deadlock as below is triggered by one CPU holds drvdata->spinlock
and calls cti_enable_hw(). Smp_call_function_single() is called
in cti_enable_hw() and tries to let another CPU write CTI registers.
That CPU is trying to get drvdata->spinlock in cti_cpu_pm_notify()
and doesn't response to IPI from
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