On Wed, Feb 08, 2017 at 10:27:26AM +0100, Peter Zijlstra wrote:
> On Tue, Feb 07, 2017 at 11:53:08AM -0800, Paul E. McKenney wrote:
> > My usual question is "how often does the spinlock_debug code find a
> > problem that would be hard to find otherwise?" Probably unanswerable
> > given the nature
On Tue, Feb 07, 2017 at 11:53:08AM -0800, Paul E. McKenney wrote:
> My usual question is "how often does the spinlock_debug code find a
> problem that would be hard to find otherwise?" Probably unanswerable
> given the nature of Linux-kernel development, but I figured I would ask
> anyway. ;-)
S
On Tue, Feb 07, 2017 at 02:46:31PM -0500, Waiman Long wrote:
> On 02/07/2017 04:48 AM, Ingo Molnar wrote:
> > * Peter Zijlstra wrote:
> >
> >> On Thu, Feb 02, 2017 at 09:15:26AM -0500, Waiman Long wrote:
> >>> v2->v3:
> >>> - Keep the original v1 patches but move patch 3 of v2 in front so
> >>>
On 02/07/2017 04:48 AM, Ingo Molnar wrote:
> * Peter Zijlstra wrote:
>
>> On Thu, Feb 02, 2017 at 09:15:26AM -0500, Waiman Long wrote:
>>> v2->v3:
>>> - Keep the original v1 patches but move patch 3 of v2 in front so
>>> as to disable GENERIC_LOCKBREAK when DEBUG_LOCK_ALLOC is on.
>>>
>>>
* Peter Zijlstra wrote:
> On Thu, Feb 02, 2017 at 09:15:26AM -0500, Waiman Long wrote:
> > v2->v3:
> > - Keep the original v1 patches but move patch 3 of v2 in front so
> > as to disable GENERIC_LOCKBREAK when DEBUG_LOCK_ALLOC is on.
> >
> > v1->v2:
> > - Pack lockup and break_lock in
On Thu, Feb 02, 2017 at 09:15:26AM -0500, Waiman Long wrote:
> v2->v3:
> - Keep the original v1 patches but move patch 3 of v2 in front so
> as to disable GENERIC_LOCKBREAK when DEBUG_LOCK_ALLOC is on.
>
> v1->v2:
> - Pack lockup and break_lock into a single 4-byte slot so as not
> t
v2->v3:
- Keep the original v1 patches but move patch 3 of v2 in front so
as to disable GENERIC_LOCKBREAK when DEBUG_LOCK_ALLOC is on.
v1->v2:
- Pack lockup and break_lock into a single 4-byte slot so as not
to in increase spinlock size when GENERIC_LOCKBREAK is
on. Hopefully tha
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