Re: [tip:smp/hotplug] idle: Provide a generic entry point for the idle code
On Mon, Apr 8, 2013 at 1:12 PM, tip-bot for Thomas Gleixner wrote: > Commit-ID: a1a04ec3c7c27a682473fd9beb2c996316a64649 > Gitweb: http://git.kernel.org/tip/a1a04ec3c7c27a682473fd9beb2c996316a64649 > Author: Thomas Gleixner > AuthorDate: Thu, 21 Mar 2013 22:49:34 +0100 > Committer: Thomas Gleixner > CommitDate: Mon, 8 Apr 2013 17:39:23 +0200 > > idle: Provide a generic entry point for the idle code > > For now this calls cpu_idle(), but in the long run we want to move the > cpu bringup code to the core and therefor we add a state argument. > > Signed-off-by: Thomas Gleixner ... > Reviewed-by: Cc: Srivatsa S. Bhat What is that ? looks your scripts has problem to convert Cc to Reviewed-by Yinghai -- 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: [tip:smp/hotplug] idle: Provide a generic entry point for the idle code
On Mon, Apr 8, 2013 at 1:12 PM, tip-bot for Thomas Gleixner tip...@zytor.com wrote: Commit-ID: a1a04ec3c7c27a682473fd9beb2c996316a64649 Gitweb: http://git.kernel.org/tip/a1a04ec3c7c27a682473fd9beb2c996316a64649 Author: Thomas Gleixner t...@linutronix.de AuthorDate: Thu, 21 Mar 2013 22:49:34 +0100 Committer: Thomas Gleixner t...@linutronix.de CommitDate: Mon, 8 Apr 2013 17:39:23 +0200 idle: Provide a generic entry point for the idle code For now this calls cpu_idle(), but in the long run we want to move the cpu bringup code to the core and therefor we add a state argument. Signed-off-by: Thomas Gleixner t...@linutronix.de ... Reviewed-by: Cc: Srivatsa S. Bhat srivatsa.b...@linux.vnet.ibm.com What is that ? looks your scripts has problem to convert Cc to Reviewed-by Yinghai -- 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/
[tip:smp/hotplug] idle: Provide a generic entry point for the idle code
Commit-ID: a1a04ec3c7c27a682473fd9beb2c996316a64649
Gitweb: http://git.kernel.org/tip/a1a04ec3c7c27a682473fd9beb2c996316a64649
Author: Thomas Gleixner
AuthorDate: Thu, 21 Mar 2013 22:49:34 +0100
Committer: Thomas Gleixner
CommitDate: Mon, 8 Apr 2013 17:39:23 +0200
idle: Provide a generic entry point for the idle code
For now this calls cpu_idle(), but in the long run we want to move the
cpu bringup code to the core and therefor we add a state argument.
Signed-off-by: Thomas Gleixner
Cc: Linus Torvalds
Cc: Rusty Russell
Cc: Paul McKenney
Cc: Peter Zijlstra
Reviewed-by: Cc: Srivatsa S. Bhat
Cc: Magnus Damm
Link: http://lkml.kernel.org/r/20130321215233.583190...@linutronix.de
Signed-off-by: Thomas Gleixner
---
include/linux/cpu.h | 8
init/main.c | 2 +-
kernel/Makefile | 1 +
kernel/cpu/Makefile | 1 +
kernel/cpu/idle.c | 10 ++
5 files changed, 21 insertions(+), 1 deletion(-)
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index ce7a074..7419e30 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -212,4 +212,12 @@ static inline int disable_nonboot_cpus(void) { return 0; }
static inline void enable_nonboot_cpus(void) {}
#endif /* !CONFIG_PM_SLEEP_SMP */
+enum cpuhp_state {
+ CPUHP_OFFLINE,
+ CPUHP_ONLINE,
+};
+
+void cpu_startup_entry(enum cpuhp_state state);
+void cpu_idle(void);
+
#endif /* _LINUX_CPU_H_ */
diff --git a/init/main.c b/init/main.c
index 63534a1..adb179d 100644
--- a/init/main.c
+++ b/init/main.c
@@ -384,7 +384,7 @@ static noinline void __init_refok rest_init(void)
init_idle_bootup_task(current);
schedule_preempt_disabled();
/* Call into cpu_idle with preempt disabled */
- cpu_idle();
+ cpu_startup_entry(CPUHP_ONLINE);
}
/* Check for early params. */
diff --git a/kernel/Makefile b/kernel/Makefile
index bbde5f1..d1574d4 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -24,6 +24,7 @@ endif
obj-y += sched/
obj-y += power/
+obj-y += cpu/
obj-$(CONFIG_CHECKPOINT_RESTORE) += kcmp.o
obj-$(CONFIG_FREEZER) += freezer.o
diff --git a/kernel/cpu/Makefile b/kernel/cpu/Makefile
new file mode 100644
index 000..59ab052
--- /dev/null
+++ b/kernel/cpu/Makefile
@@ -0,0 +1 @@
+obj-y = idle.o
diff --git a/kernel/cpu/idle.c b/kernel/cpu/idle.c
new file mode 100644
index 000..1908f00
--- /dev/null
+++ b/kernel/cpu/idle.c
@@ -0,0 +1,10 @@
+/*
+ * Generic entry point for the idle threads
+ */
+#include
+#include
+
+void cpu_startup_entry(enum cpuhp_state state)
+{
+ cpu_idle();
+}
--
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[tip:smp/hotplug] idle: Provide a generic entry point for the idle code
Commit-ID: a1a04ec3c7c27a682473fd9beb2c996316a64649
Gitweb: http://git.kernel.org/tip/a1a04ec3c7c27a682473fd9beb2c996316a64649
Author: Thomas Gleixner t...@linutronix.de
AuthorDate: Thu, 21 Mar 2013 22:49:34 +0100
Committer: Thomas Gleixner t...@linutronix.de
CommitDate: Mon, 8 Apr 2013 17:39:23 +0200
idle: Provide a generic entry point for the idle code
For now this calls cpu_idle(), but in the long run we want to move the
cpu bringup code to the core and therefor we add a state argument.
Signed-off-by: Thomas Gleixner t...@linutronix.de
Cc: Linus Torvalds torva...@linux-foundation.org
Cc: Rusty Russell ru...@rustcorp.com.au
Cc: Paul McKenney paul...@linux.vnet.ibm.com
Cc: Peter Zijlstra pet...@infradead.org
Reviewed-by: Cc: Srivatsa S. Bhat srivatsa.b...@linux.vnet.ibm.com
Cc: Magnus Damm magnus.d...@gmail.com
Link: http://lkml.kernel.org/r/20130321215233.583190...@linutronix.de
Signed-off-by: Thomas Gleixner t...@linutronix.de
---
include/linux/cpu.h | 8
init/main.c | 2 +-
kernel/Makefile | 1 +
kernel/cpu/Makefile | 1 +
kernel/cpu/idle.c | 10 ++
5 files changed, 21 insertions(+), 1 deletion(-)
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index ce7a074..7419e30 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -212,4 +212,12 @@ static inline int disable_nonboot_cpus(void) { return 0; }
static inline void enable_nonboot_cpus(void) {}
#endif /* !CONFIG_PM_SLEEP_SMP */
+enum cpuhp_state {
+ CPUHP_OFFLINE,
+ CPUHP_ONLINE,
+};
+
+void cpu_startup_entry(enum cpuhp_state state);
+void cpu_idle(void);
+
#endif /* _LINUX_CPU_H_ */
diff --git a/init/main.c b/init/main.c
index 63534a1..adb179d 100644
--- a/init/main.c
+++ b/init/main.c
@@ -384,7 +384,7 @@ static noinline void __init_refok rest_init(void)
init_idle_bootup_task(current);
schedule_preempt_disabled();
/* Call into cpu_idle with preempt disabled */
- cpu_idle();
+ cpu_startup_entry(CPUHP_ONLINE);
}
/* Check for early params. */
diff --git a/kernel/Makefile b/kernel/Makefile
index bbde5f1..d1574d4 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -24,6 +24,7 @@ endif
obj-y += sched/
obj-y += power/
+obj-y += cpu/
obj-$(CONFIG_CHECKPOINT_RESTORE) += kcmp.o
obj-$(CONFIG_FREEZER) += freezer.o
diff --git a/kernel/cpu/Makefile b/kernel/cpu/Makefile
new file mode 100644
index 000..59ab052
--- /dev/null
+++ b/kernel/cpu/Makefile
@@ -0,0 +1 @@
+obj-y = idle.o
diff --git a/kernel/cpu/idle.c b/kernel/cpu/idle.c
new file mode 100644
index 000..1908f00
--- /dev/null
+++ b/kernel/cpu/idle.c
@@ -0,0 +1,10 @@
+/*
+ * Generic entry point for the idle threads
+ */
+#include linux/sched.h
+#include linux/cpu.h
+
+void cpu_startup_entry(enum cpuhp_state state)
+{
+ cpu_idle();
+}
--
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