On Thu, Aug 31, 2017 at 09:15:58AM +0200, Thomas Gleixner wrote:
> The lockup detector is broken is several ways:
>
> - It's deadlock prone vs. CPU hotplug in various ways. Some of these
> are due to recursive cpus_read_lock() others are due to
> cpus_read_lock() from CPU hotplug
On Thu, Aug 31, 2017 at 09:15:58AM +0200, Thomas Gleixner wrote:
> The lockup detector is broken is several ways:
>
> - It's deadlock prone vs. CPU hotplug in various ways. Some of these
> are due to recursive cpus_read_lock() others are due to
> cpus_read_lock() from CPU hotplug
On Thu, 31 Aug 2017, Don Zickus wrote:
> On Thu, Aug 31, 2017 at 09:15:58AM +0200, Thomas Gleixner wrote:
> > The following series sanitizes the facility and addresses the problems.
>
> Hi Thomas,
>
> Thanks for the patchset. I agree with most your issues you complained
> about, just wasn't
On Thu, 31 Aug 2017, Don Zickus wrote:
> On Thu, Aug 31, 2017 at 09:15:58AM +0200, Thomas Gleixner wrote:
> > The following series sanitizes the facility and addresses the problems.
>
> Hi Thomas,
>
> Thanks for the patchset. I agree with most your issues you complained
> about, just wasn't
On Thu, 31 Aug 2017 18:10:14 -0400
Don Zickus wrote:
> On Thu, Aug 31, 2017 at 09:15:58AM +0200, Thomas Gleixner wrote:
> > The lockup detector is broken is several ways:
> >
> > - It's deadlock prone vs. CPU hotplug in various ways. Some of these
> > are due to
On Thu, 31 Aug 2017 18:10:14 -0400
Don Zickus wrote:
> On Thu, Aug 31, 2017 at 09:15:58AM +0200, Thomas Gleixner wrote:
> > The lockup detector is broken is several ways:
> >
> > - It's deadlock prone vs. CPU hotplug in various ways. Some of these
> > are due to recursive
On Thu, Aug 31, 2017 at 09:15:58AM +0200, Thomas Gleixner wrote:
> The lockup detector is broken is several ways:
>
> - It's deadlock prone vs. CPU hotplug in various ways. Some of these
> are due to recursive cpus_read_lock() others are due to
> cpus_read_lock() from CPU hotplug
On Thu, Aug 31, 2017 at 09:15:58AM +0200, Thomas Gleixner wrote:
> The lockup detector is broken is several ways:
>
> - It's deadlock prone vs. CPU hotplug in various ways. Some of these
> are due to recursive cpus_read_lock() others are due to
> cpus_read_lock() from CPU hotplug
The lockup detector is broken is several ways:
- It's deadlock prone vs. CPU hotplug in various ways. Some of these
are due to recursive cpus_read_lock() others are due to
cpus_read_lock() from CPU hotplug callbacks which immediately lock
the machine because cpus are write
The lockup detector is broken is several ways:
- It's deadlock prone vs. CPU hotplug in various ways. Some of these
are due to recursive cpus_read_lock() others are due to
cpus_read_lock() from CPU hotplug callbacks which immediately lock
the machine because cpus are write
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