Re: [PATCH rcu] Remove unused code originally used for context tracking
On Mon, Jan 07, 2013 at 06:46:07PM +0100, Frederic Weisbecker wrote: > 2013/1/7 Paul E. McKenney : > > On Fri, Nov 30, 2012 at 02:19:22PM +0800, Li Zhong wrote: > >> As new context tracking subsystem added, it seems ignore_user_qs and > >> in_user defined in struct rcu_dynticks are no longer needed, so remove > >> them. > >> > >> Signed-off-by: Li Zhong > > > > Hearing no objections from Frederic, I have queued this patch for 3.9 > > Thanks Paul! > > And feel free to add my ack. Done, thank you! Thanx, Paul -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH rcu] Remove unused code originally used for context tracking
2013/1/7 Paul E. McKenney : > On Fri, Nov 30, 2012 at 02:19:22PM +0800, Li Zhong wrote: >> As new context tracking subsystem added, it seems ignore_user_qs and >> in_user defined in struct rcu_dynticks are no longer needed, so remove >> them. >> >> Signed-off-by: Li Zhong > > Hearing no objections from Frederic, I have queued this patch for 3.9 Thanks Paul! And feel free to add my ack. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH rcu] Remove unused code originally used for context tracking
On Fri, Nov 30, 2012 at 02:19:22PM +0800, Li Zhong wrote:
> As new context tracking subsystem added, it seems ignore_user_qs and
> in_user defined in struct rcu_dynticks are no longer needed, so remove
> them.
>
> Signed-off-by: Li Zhong
Hearing no objections from Frederic, I have queued this patch for 3.9
Thanx, Paul
> ---
> kernel/rcutree.c | 3 ---
> kernel/rcutree.h | 4
> 2 files changed, 7 deletions(-)
>
> diff --git a/kernel/rcutree.c b/kernel/rcutree.c
> index e441b77..b8fae5d 100644
> --- a/kernel/rcutree.c
> +++ b/kernel/rcutree.c
> @@ -2719,9 +2719,6 @@ rcu_boot_init_percpu_data(int cpu, struct rcu_state
> *rsp)
> rdp->dynticks = _cpu(rcu_dynticks, cpu);
> WARN_ON_ONCE(rdp->dynticks->dynticks_nesting != DYNTICK_TASK_EXIT_IDLE);
> WARN_ON_ONCE(atomic_read(>dynticks->dynticks) != 1);
> -#ifdef CONFIG_RCU_USER_QS
> - WARN_ON_ONCE(rdp->dynticks->in_user);
> -#endif
> rdp->cpu = cpu;
> rdp->rsp = rsp;
> rcu_boot_init_nocb_percpu_data(rdp);
> diff --git a/kernel/rcutree.h b/kernel/rcutree.h
> index 4b69291..6f21f2e 100644
> --- a/kernel/rcutree.h
> +++ b/kernel/rcutree.h
> @@ -102,10 +102,6 @@ struct rcu_dynticks {
> /* idle-period nonlazy_posted snapshot. */
> int tick_nohz_enabled_snap; /* Previously seen value from sysfs. */
> #endif /* #ifdef CONFIG_RCU_FAST_NO_HZ */
> -#ifdef CONFIG_RCU_USER_QS
> - bool ignore_user_qs;/* Treat userspace as extended QS or not */
> - bool in_user; /* Is the CPU in userland from RCU POV? */
> -#endif
> };
>
> /* RCU's kthread states for tracing. */
> --
> 1.7.11.4
>
>
--
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Re: [PATCH rcu] Remove unused code originally used for context tracking
On Fri, Nov 30, 2012 at 02:19:22PM +0800, Li Zhong wrote:
As new context tracking subsystem added, it seems ignore_user_qs and
in_user defined in struct rcu_dynticks are no longer needed, so remove
them.
Signed-off-by: Li Zhong zh...@linux.vnet.ibm.com
Hearing no objections from Frederic, I have queued this patch for 3.9
Thanx, Paul
---
kernel/rcutree.c | 3 ---
kernel/rcutree.h | 4
2 files changed, 7 deletions(-)
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index e441b77..b8fae5d 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -2719,9 +2719,6 @@ rcu_boot_init_percpu_data(int cpu, struct rcu_state
*rsp)
rdp-dynticks = per_cpu(rcu_dynticks, cpu);
WARN_ON_ONCE(rdp-dynticks-dynticks_nesting != DYNTICK_TASK_EXIT_IDLE);
WARN_ON_ONCE(atomic_read(rdp-dynticks-dynticks) != 1);
-#ifdef CONFIG_RCU_USER_QS
- WARN_ON_ONCE(rdp-dynticks-in_user);
-#endif
rdp-cpu = cpu;
rdp-rsp = rsp;
rcu_boot_init_nocb_percpu_data(rdp);
diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index 4b69291..6f21f2e 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -102,10 +102,6 @@ struct rcu_dynticks {
/* idle-period nonlazy_posted snapshot. */
int tick_nohz_enabled_snap; /* Previously seen value from sysfs. */
#endif /* #ifdef CONFIG_RCU_FAST_NO_HZ */
-#ifdef CONFIG_RCU_USER_QS
- bool ignore_user_qs;/* Treat userspace as extended QS or not */
- bool in_user; /* Is the CPU in userland from RCU POV? */
-#endif
};
/* RCU's kthread states for tracing. */
--
1.7.11.4
--
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Re: [PATCH rcu] Remove unused code originally used for context tracking
2013/1/7 Paul E. McKenney paul...@linux.vnet.ibm.com: On Fri, Nov 30, 2012 at 02:19:22PM +0800, Li Zhong wrote: As new context tracking subsystem added, it seems ignore_user_qs and in_user defined in struct rcu_dynticks are no longer needed, so remove them. Signed-off-by: Li Zhong zh...@linux.vnet.ibm.com Hearing no objections from Frederic, I have queued this patch for 3.9 Thanks Paul! And feel free to add my ack. -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH rcu] Remove unused code originally used for context tracking
On Mon, Jan 07, 2013 at 06:46:07PM +0100, Frederic Weisbecker wrote: 2013/1/7 Paul E. McKenney paul...@linux.vnet.ibm.com: On Fri, Nov 30, 2012 at 02:19:22PM +0800, Li Zhong wrote: As new context tracking subsystem added, it seems ignore_user_qs and in_user defined in struct rcu_dynticks are no longer needed, so remove them. Signed-off-by: Li Zhong zh...@linux.vnet.ibm.com Hearing no objections from Frederic, I have queued this patch for 3.9 Thanks Paul! And feel free to add my ack. Done, thank you! Thanx, Paul -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH rcu] Remove unused code originally used for context tracking
As new context tracking subsystem added, it seems ignore_user_qs and
in_user defined in struct rcu_dynticks are no longer needed, so remove
them.
Signed-off-by: Li Zhong
---
kernel/rcutree.c | 3 ---
kernel/rcutree.h | 4
2 files changed, 7 deletions(-)
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index e441b77..b8fae5d 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -2719,9 +2719,6 @@ rcu_boot_init_percpu_data(int cpu, struct rcu_state *rsp)
rdp->dynticks = _cpu(rcu_dynticks, cpu);
WARN_ON_ONCE(rdp->dynticks->dynticks_nesting != DYNTICK_TASK_EXIT_IDLE);
WARN_ON_ONCE(atomic_read(>dynticks->dynticks) != 1);
-#ifdef CONFIG_RCU_USER_QS
- WARN_ON_ONCE(rdp->dynticks->in_user);
-#endif
rdp->cpu = cpu;
rdp->rsp = rsp;
rcu_boot_init_nocb_percpu_data(rdp);
diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index 4b69291..6f21f2e 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -102,10 +102,6 @@ struct rcu_dynticks {
/* idle-period nonlazy_posted snapshot. */
int tick_nohz_enabled_snap; /* Previously seen value from sysfs. */
#endif /* #ifdef CONFIG_RCU_FAST_NO_HZ */
-#ifdef CONFIG_RCU_USER_QS
- bool ignore_user_qs;/* Treat userspace as extended QS or not */
- bool in_user; /* Is the CPU in userland from RCU POV? */
-#endif
};
/* RCU's kthread states for tracing. */
--
1.7.11.4
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[PATCH rcu] Remove unused code originally used for context tracking
As new context tracking subsystem added, it seems ignore_user_qs and
in_user defined in struct rcu_dynticks are no longer needed, so remove
them.
Signed-off-by: Li Zhong zh...@linux.vnet.ibm.com
---
kernel/rcutree.c | 3 ---
kernel/rcutree.h | 4
2 files changed, 7 deletions(-)
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index e441b77..b8fae5d 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -2719,9 +2719,6 @@ rcu_boot_init_percpu_data(int cpu, struct rcu_state *rsp)
rdp-dynticks = per_cpu(rcu_dynticks, cpu);
WARN_ON_ONCE(rdp-dynticks-dynticks_nesting != DYNTICK_TASK_EXIT_IDLE);
WARN_ON_ONCE(atomic_read(rdp-dynticks-dynticks) != 1);
-#ifdef CONFIG_RCU_USER_QS
- WARN_ON_ONCE(rdp-dynticks-in_user);
-#endif
rdp-cpu = cpu;
rdp-rsp = rsp;
rcu_boot_init_nocb_percpu_data(rdp);
diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index 4b69291..6f21f2e 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -102,10 +102,6 @@ struct rcu_dynticks {
/* idle-period nonlazy_posted snapshot. */
int tick_nohz_enabled_snap; /* Previously seen value from sysfs. */
#endif /* #ifdef CONFIG_RCU_FAST_NO_HZ */
-#ifdef CONFIG_RCU_USER_QS
- bool ignore_user_qs;/* Treat userspace as extended QS or not */
- bool in_user; /* Is the CPU in userland from RCU POV? */
-#endif
};
/* RCU's kthread states for tracing. */
--
1.7.11.4
--
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