On 2024-10-07 21:06, Paul E. McKenney wrote:
On Mon, Oct 07, 2024 at 11:18:14AM -0700, Paul E. McKenney wrote:
On Mon, Oct 07, 2024 at 10:50:46AM -0400, Mathieu Desnoyers wrote:
On 2024-10-07 12:40, Peter Zijlstra wrote:
On Sat, Oct 05, 2024 at 02:50:17PM -0400, Mathieu Desnoyers wrote:
On 20
On Mon, Oct 07, 2024 at 11:18:14AM -0700, Paul E. McKenney wrote:
> On Mon, Oct 07, 2024 at 10:50:46AM -0400, Mathieu Desnoyers wrote:
> > On 2024-10-07 12:40, Peter Zijlstra wrote:
> > > On Sat, Oct 05, 2024 at 02:50:17PM -0400, Mathieu Desnoyers wrote:
> > > > On 2024-10-05 18:04, Peter Zijlstra
On Mon, Oct 07, 2024 at 10:50:46AM -0400, Mathieu Desnoyers wrote:
> On 2024-10-07 12:40, Peter Zijlstra wrote:
> > On Sat, Oct 05, 2024 at 02:50:17PM -0400, Mathieu Desnoyers wrote:
> > > On 2024-10-05 18:04, Peter Zijlstra wrote:
> >
> >
> > > > > +/*
> > > > > + * hp_allocate: Allocate a hazar
On 2024-10-07 12:40, Peter Zijlstra wrote:
On Sat, Oct 05, 2024 at 02:50:17PM -0400, Mathieu Desnoyers wrote:
On 2024-10-05 18:04, Peter Zijlstra wrote:
+/*
+ * hp_allocate: Allocate a hazard pointer.
+ *
+ * Allocate a hazard pointer slot for @addr. The object existence should
+ * be guaran
On 2024-10-07 12:42, Peter Zijlstra wrote:
On Sat, Oct 05, 2024 at 02:56:26PM -0400, Mathieu Desnoyers wrote:
On 2024-10-05 18:07, Peter Zijlstra wrote:
On Sat, Oct 05, 2024 at 06:04:44PM +0200, Peter Zijlstra wrote:
On Fri, Oct 04, 2024 at 02:27:33PM -0400, Mathieu Desnoyers wrote:
+void h
On Sat, Oct 05, 2024 at 02:56:26PM -0400, Mathieu Desnoyers wrote:
> On 2024-10-05 18:07, Peter Zijlstra wrote:
> > On Sat, Oct 05, 2024 at 06:04:44PM +0200, Peter Zijlstra wrote:
> > > On Fri, Oct 04, 2024 at 02:27:33PM -0400, Mathieu Desnoyers wrote:
> >
> > > > +void hp_scan(struct hp_slot __pe
On Sat, Oct 05, 2024 at 02:50:17PM -0400, Mathieu Desnoyers wrote:
> On 2024-10-05 18:04, Peter Zijlstra wrote:
> > > +/*
> > > + * hp_allocate: Allocate a hazard pointer.
> > > + *
> > > + * Allocate a hazard pointer slot for @addr. The object existence should
> > > + * be guaranteed by the call
On 2024-10-05 18:07, Peter Zijlstra wrote:
On Sat, Oct 05, 2024 at 06:04:44PM +0200, Peter Zijlstra wrote:
On Fri, Oct 04, 2024 at 02:27:33PM -0400, Mathieu Desnoyers wrote:
+void hp_scan(struct hp_slot __percpu *percpu_slots, void *addr,
+void (*retire_cb)(int cpu, struct hp_slot
On 2024-10-05 18:04, Peter Zijlstra wrote:
On Fri, Oct 04, 2024 at 02:27:33PM -0400, Mathieu Desnoyers wrote:
include/linux/hp.h | 158 +
kernel/Makefile| 2 +-
kernel/hp.c| 46 +
3 files changed, 205 insertions(+), 1 de
On Sat, Oct 05, 2024 at 06:04:44PM +0200, Peter Zijlstra wrote:
> On Fri, Oct 04, 2024 at 02:27:33PM -0400, Mathieu Desnoyers wrote:
> > +void hp_scan(struct hp_slot __percpu *percpu_slots, void *addr,
> > +void (*retire_cb)(int cpu, struct hp_slot *slot, void *addr))
> > +{
> > + int cp
On Fri, Oct 04, 2024 at 02:27:33PM -0400, Mathieu Desnoyers wrote:
> include/linux/hp.h | 158 +
> kernel/Makefile| 2 +-
> kernel/hp.c| 46 +
> 3 files changed, 205 insertions(+), 1 deletion(-)
> create mode 100644 include/li
On 2024-10-04 23:25, Joel Fernandes wrote:
On Fri, Oct 4, 2024 at 2:29 PM Mathieu Desnoyers
wrote:
This API provides existence guarantees of objects through Hazard
Pointers (HP). This minimalist implementation is specific to use
with preemption disabled, but can be extended further as needed.
On 2024-10-05 13:19, Frederic Weisbecker wrote:
Le Fri, Oct 04, 2024 at 02:27:33PM -0400, Mathieu Desnoyers a écrit :
+void hp_scan(struct hp_slot __percpu *percpu_slots, void *addr,
+void (*retire_cb)(int cpu, struct hp_slot *slot, void *addr))
+{
+ int cpu;
+
+ /*
+
Le Fri, Oct 04, 2024 at 02:27:33PM -0400, Mathieu Desnoyers a écrit :
> +void hp_scan(struct hp_slot __percpu *percpu_slots, void *addr,
> + void (*retire_cb)(int cpu, struct hp_slot *slot, void *addr))
> +{
> + int cpu;
> +
> + /*
> + * Store A precedes hp_scan(): it unpublis
On Fri, Oct 4, 2024 at 2:29 PM Mathieu Desnoyers
wrote:
>
> This API provides existence guarantees of objects through Hazard
> Pointers (HP). This minimalist implementation is specific to use
> with preemption disabled, but can be extended further as needed.
>
> Each HP domain defines a fixed numb
This API provides existence guarantees of objects through Hazard
Pointers (HP). This minimalist implementation is specific to use
with preemption disabled, but can be extended further as needed.
Each HP domain defines a fixed number of hazard pointer slots (nr_cpus)
across the entire system.
Its
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