Re: [PATCH] hazptrtorture: Fix inverted sleep condition in do_pending kthread

[Bradley Morgan]

On 6 September 2026 14:09:53 BST, Mathieu Desnoyers
<mathieu.desnoyers@xxxxxxxxxxxx> wrote:
>On 2026-09-05 16:40, Paul E. McKenney wrote:
>> On Fri, Sep 04, 2026 at 06:28:45PM +0100, Bradley Morgan wrote:
>[...]
>> I would not say "no" to a fix for this issue:
>> 
>>
>https://lore.kernel.org/all/EE579805-42F2-4C58-B752-F28779EEB717@xxxxxxxxx/
>
>I'm not sure this URL actually points to a relevant issue ?
>

No, that URL is my signature, just in case people

1: add my old email to R-Bs, or SOBs.

2: makes people aware this is me.

>> 
>> Once that is in place, I would be happy to put this back into -next.
>> 
>> At some point, we will need to get rid of the concept of wildcard hazard
>> pointers, as those end up instead emulating RCU, but I don't see that
>> as an immediate obstacle.
>
>I already have the implementation which eliminates the wildcard if we
>care about this. It was part of a previous hazptr series version.
>
>Do you want me to resurrect it on top of the current series ?
>This depends on:
>
>- ptr_eq(),
>- then use ptr_eq() to compare the loaded pointer (pre mb)
>  with the re-loaded pointer (post-mb).
>
>See: https://lore.kernel.org/all/20251218014531.3793471-1-mathieu.desnoyers@xxxxxxxxxxxx/
>
>Thanks,
>
>Mathieu
>
>

--- Thanks!
https://lore.kernel.org/all/EE579805-42F2-4C58-B752-F28779EEB717@xxxxxxxxx/