Hi!
On Mon, Jun 21, 2021 at 04:11:04PM +0200, Christophe Leroy wrote:
> Le 19/06/2021 à 17:02, Segher Boessenkool a écrit :
> >The point of the twi in the I/O accessors was to make things easier to
> >debug if the accesses fail: for the twi insn to complete the load will
> >have to have completed
Le 19/06/2021 à 17:02, Segher Boessenkool a écrit :
On Sat, Jun 19, 2021 at 11:35:34AM +0200, Christophe Leroy wrote:
Le 18/06/2021 à 19:26, Mathieu Desnoyers a écrit :
- On Jun 18, 2021, at 1:13 PM, Christophe Leroy
christophe.le...@csgroup.eu wrote:
[...]
I don't understand all tha
On Sat, Jun 19, 2021 at 11:35:34AM +0200, Christophe Leroy wrote:
>
>
> Le 18/06/2021 à 19:26, Mathieu Desnoyers a écrit :
> >- On Jun 18, 2021, at 1:13 PM, Christophe Leroy
> >christophe.le...@csgroup.eu wrote:
> >[...]
> >>
> >>I don't understand all that complexity to just replace a simpl
Le 18/06/2021 à 19:26, Mathieu Desnoyers a écrit :
- On Jun 18, 2021, at 1:13 PM, Christophe Leroy christophe.le...@csgroup.eu
wrote:
[...]
I don't understand all that complexity to just replace a simple
'smp_mb__after_unlock_lock()'.
#define smp_mb__after_unlock_lock() smp_mb()
#d
- On Jun 18, 2021, at 1:13 PM, Christophe Leroy christophe.le...@csgroup.eu
wrote:
[...]
>
> I don't understand all that complexity to just replace a simple
> 'smp_mb__after_unlock_lock()'.
>
> #define smp_mb__after_unlock_lock() smp_mb()
> #define smp_mb() barrier()
> # define barrie
Le 29/01/2018 à 21:20, Mathieu Desnoyers a écrit :
Allow PowerPC to skip the full memory barrier in switch_mm(), and
only issue the barrier when scheduling into a task belonging to a
process that has registered to use expedited private.
Threads targeting the same VM but which belong to differ
- On Feb 5, 2018, at 3:22 PM, Ingo Molnar mi...@kernel.org wrote:
> * Mathieu Desnoyers wrote:
>
>>
>> +config ARCH_HAS_MEMBARRIER_HOOKS
>> +bool
>
> Yeah, so I have renamed this to ARCH_HAS_MEMBARRIER_CALLBACKS, and propagated
> it
> through the rest of the patches. "Callback" is th
* Mathieu Desnoyers wrote:
>
> +config ARCH_HAS_MEMBARRIER_HOOKS
> + bool
Yeah, so I have renamed this to ARCH_HAS_MEMBARRIER_CALLBACKS, and propagated
it
through the rest of the patches. "Callback" is the canonical name, and I also
cringe every time I see 'hook'.
Please let me know i
Allow PowerPC to skip the full memory barrier in switch_mm(), and
only issue the barrier when scheduling into a task belonging to a
process that has registered to use expedited private.
Threads targeting the same VM but which belong to different thread
groups is a tricky case. It has a few consequ