Hello, Aleksa.
On Thu, May 14, 2015 at 08:57:49PM +1000, Aleksa Sarai wrote:
> >> +/* Ditto for the can_fork/cancel_fork/reapply_fork callbacks. */
> >> +static int need_canfork_callback __read_mostly;
> >> +static int need_cancelfork_callback __read_mostly;
> >
> > And given that the reason we
Hi Tejun,
>> +/* Ditto for the can_fork/cancel_fork/reapply_fork callbacks. */
>> +static int need_canfork_callback __read_mostly;
>> +static int need_cancelfork_callback __read_mostly;
>
> And given that the reason we have these masks is avoiding iteration in
> relatively hot paths. Does
Hello, Aleksa.
On Thu, May 14, 2015 at 08:57:49PM +1000, Aleksa Sarai wrote:
+/* Ditto for the can_fork/cancel_fork/reapply_fork callbacks. */
+static int need_canfork_callback __read_mostly;
+static int need_cancelfork_callback __read_mostly;
And given that the reason we have these
Hi Tejun,
+/* Ditto for the can_fork/cancel_fork/reapply_fork callbacks. */
+static int need_canfork_callback __read_mostly;
+static int need_cancelfork_callback __read_mostly;
And given that the reason we have these masks is avoiding iteration in
relatively hot paths. Does cancelfork mask
On Fri, Apr 24, 2015 at 11:59:31PM +1000, Aleksa Sarai wrote:
> Hey,
>
> >> +#define CGROUP_PREFORK_COUNT 0
> >> +
> >> static inline int cgroup_init_early(void) { return 0; }
> >> static inline int cgroup_init(void) { return 0; }
> >> static inline void cgroup_fork(struct task_struct *p) {}
>
Hey,
>> +#define CGROUP_PREFORK_COUNT 0
>> +
>> static inline int cgroup_init_early(void) { return 0; }
>> static inline int cgroup_init(void) { return 0; }
>> static inline void cgroup_fork(struct task_struct *p) {}
>> -static inline void cgroup_post_fork(struct task_struct *p) {}
>> +static
Hey,
+#define CGROUP_PREFORK_COUNT 0
+
static inline int cgroup_init_early(void) { return 0; }
static inline int cgroup_init(void) { return 0; }
static inline void cgroup_fork(struct task_struct *p) {}
-static inline void cgroup_post_fork(struct task_struct *p) {}
+static inline int
On Fri, Apr 24, 2015 at 11:59:31PM +1000, Aleksa Sarai wrote:
Hey,
+#define CGROUP_PREFORK_COUNT 0
+
static inline int cgroup_init_early(void) { return 0; }
static inline int cgroup_init(void) { return 0; }
static inline void cgroup_fork(struct task_struct *p) {}
-static inline
On Sun, Apr 19, 2015 at 10:22:33PM +1000, Aleksa Sarai wrote:
> @@ -25,6 +25,19 @@
>
> #ifdef CONFIG_CGROUPS
>
> +/* define the enumeration of all cgroup subsystems */
> +enum cgroup_subsys_id {
> +#define SUBSYS(_x) _x ## _cgrp_id,
> +#define SUBSYS_TAG(_t) CGROUP_ ## _t, \
> +
On Sun, Apr 19, 2015 at 10:22:33PM +1000, Aleksa Sarai wrote:
@@ -25,6 +25,19 @@
#ifdef CONFIG_CGROUPS
+/* define the enumeration of all cgroup subsystems */
+enum cgroup_subsys_id {
+#define SUBSYS(_x) _x ## _cgrp_id,
+#define SUBSYS_TAG(_t) CGROUP_ ## _t, \
+ __unused_tag_ ##
Add a new cgroup subsystem callback can_fork that conditionally
states whether or not the fork is accepted or rejected by a cgroup
policy. In addition, add a cancel_fork callback so that if an error
occurs later in the forking process, any state modified by can_fork can
be reverted.
Allow for a
Add a new cgroup subsystem callback can_fork that conditionally
states whether or not the fork is accepted or rejected by a cgroup
policy. In addition, add a cancel_fork callback so that if an error
occurs later in the forking process, any state modified by can_fork can
be reverted.
Allow for a
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