diff mbox

[percpu] Convert remaining __get_cpu_var uses in 3.18-rcX

Message ID alpine.DEB.2.11.1410271047400.17089@gentwo.org (mailing list archive)
State New, archived
Headers show

Commit Message

Christoph Lameter (Ampere) Oct. 27, 2014, 3:49 p.m. UTC
During the 3.18 merge period additional __get_cpu_var uses were
added. The patch converts these to this_cpu_ptr().

Signed-off-by: Christoph Lameter <cl@linux.com>

Comments

Will Deacon Oct. 27, 2014, 3:59 p.m. UTC | #1
On Mon, Oct 27, 2014 at 03:49:45PM +0000, Christoph Lameter wrote:
> During the 3.18 merge period additional __get_cpu_var uses were
> added. The patch converts these to this_cpu_ptr().
> 
> Signed-off-by: Christoph Lameter <cl@linux.com>
> 
> Index: linux/arch/arm64/kernel/psci.c
> ===================================================================
> --- linux.orig/arch/arm64/kernel/psci.c
> +++ linux/arch/arm64/kernel/psci.c
> @@ -511,7 +511,7 @@ static int cpu_psci_cpu_kill(unsigned in
> 
>  static int psci_suspend_finisher(unsigned long index)
>  {
> -	struct psci_power_state *state = __get_cpu_var(psci_power_state);
> +	struct psci_power_state *state = __this_cpu_read(psci_power_state);
> 
>  	return psci_ops.cpu_suspend(state[index - 1],
>  				    virt_to_phys(cpu_resume));
> @@ -520,7 +520,7 @@ static int psci_suspend_finisher(unsigne
>  static int __maybe_unused cpu_psci_cpu_suspend(unsigned long index)
>  {
>  	int ret;
> -	struct psci_power_state *state = __get_cpu_var(psci_power_state);
> +	struct psci_power_state *state = __this_cpu_read(psci_power_state);
>  	/*
>  	 * idle state index 0 corresponds to wfi, should never be called
>  	 * from the cpu_suspend operations

Apologies for not spotting this one during review:

  Acked-by: Will Deacon <will.deacon@arm.com>

Feel free to take this via some other route (than the arm64 tree).

Will
Thomas Gleixner Oct. 28, 2014, 3:33 p.m. UTC | #2
On Mon, 27 Oct 2014, Christoph Lameter wrote:

> During the 3.18 merge period additional __get_cpu_var uses were
> added. The patch converts these to this_cpu_ptr().
> 
> Signed-off-by: Christoph Lameter <cl@linux.com>

Acked-by: Thomas Gleixner <tglx@linutronix.de>
 
> Index: linux/arch/arm64/kernel/psci.c
> ===================================================================
> --- linux.orig/arch/arm64/kernel/psci.c
> +++ linux/arch/arm64/kernel/psci.c
> @@ -511,7 +511,7 @@ static int cpu_psci_cpu_kill(unsigned in
> 
>  static int psci_suspend_finisher(unsigned long index)
>  {
> -	struct psci_power_state *state = __get_cpu_var(psci_power_state);
> +	struct psci_power_state *state = __this_cpu_read(psci_power_state);
> 
>  	return psci_ops.cpu_suspend(state[index - 1],
>  				    virt_to_phys(cpu_resume));
> @@ -520,7 +520,7 @@ static int psci_suspend_finisher(unsigne
>  static int __maybe_unused cpu_psci_cpu_suspend(unsigned long index)
>  {
>  	int ret;
> -	struct psci_power_state *state = __get_cpu_var(psci_power_state);
> +	struct psci_power_state *state = __this_cpu_read(psci_power_state);
>  	/*
>  	 * idle state index 0 corresponds to wfi, should never be called
>  	 * from the cpu_suspend operations
> Index: linux/kernel/irq_work.c
> ===================================================================
> --- linux.orig/kernel/irq_work.c
> +++ linux/kernel/irq_work.c
> @@ -175,11 +175,11 @@ EXPORT_SYMBOL_GPL(irq_work_run);
> 
>  void irq_work_tick(void)
>  {
> -	struct llist_head *raised = &__get_cpu_var(raised_list);
> +	struct llist_head *raised = this_cpu_ptr(&raised_list);
> 
>  	if (!llist_empty(raised) && !arch_irq_work_has_interrupt())
>  		irq_work_run_list(raised);
> -	irq_work_run_list(&__get_cpu_var(lazy_list));
> +	irq_work_run_list(this_cpu_ptr(&lazy_list));
>  }
> 
>  /*
> Index: linux/kernel/time/tick-sched.c
> ===================================================================
> --- linux.orig/kernel/time/tick-sched.c
> +++ linux/kernel/time/tick-sched.c
> @@ -235,7 +235,7 @@ void tick_nohz_full_kick(void)
>  	if (!tick_nohz_full_cpu(smp_processor_id()))
>  		return;
> 
> -	irq_work_queue(&__get_cpu_var(nohz_full_kick_work));
> +	irq_work_queue(this_cpu_ptr(&nohz_full_kick_work));
>  }
> 
>  /*
>
Tejun Heo Oct. 29, 2014, 3:19 p.m. UTC | #3
On Mon, Oct 27, 2014 at 10:49:45AM -0500, Christoph Lameter wrote:
> During the 3.18 merge period additional __get_cpu_var uses were
> added. The patch converts these to this_cpu_ptr().
> 
> Signed-off-by: Christoph Lameter <cl@linux.com>

Applied to percpu/for-3.19.

Thanks.
diff mbox

Patch

Index: linux/arch/arm64/kernel/psci.c
===================================================================
--- linux.orig/arch/arm64/kernel/psci.c
+++ linux/arch/arm64/kernel/psci.c
@@ -511,7 +511,7 @@  static int cpu_psci_cpu_kill(unsigned in

 static int psci_suspend_finisher(unsigned long index)
 {
-	struct psci_power_state *state = __get_cpu_var(psci_power_state);
+	struct psci_power_state *state = __this_cpu_read(psci_power_state);

 	return psci_ops.cpu_suspend(state[index - 1],
 				    virt_to_phys(cpu_resume));
@@ -520,7 +520,7 @@  static int psci_suspend_finisher(unsigne
 static int __maybe_unused cpu_psci_cpu_suspend(unsigned long index)
 {
 	int ret;
-	struct psci_power_state *state = __get_cpu_var(psci_power_state);
+	struct psci_power_state *state = __this_cpu_read(psci_power_state);
 	/*
 	 * idle state index 0 corresponds to wfi, should never be called
 	 * from the cpu_suspend operations
Index: linux/kernel/irq_work.c
===================================================================
--- linux.orig/kernel/irq_work.c
+++ linux/kernel/irq_work.c
@@ -175,11 +175,11 @@  EXPORT_SYMBOL_GPL(irq_work_run);

 void irq_work_tick(void)
 {
-	struct llist_head *raised = &__get_cpu_var(raised_list);
+	struct llist_head *raised = this_cpu_ptr(&raised_list);

 	if (!llist_empty(raised) && !arch_irq_work_has_interrupt())
 		irq_work_run_list(raised);
-	irq_work_run_list(&__get_cpu_var(lazy_list));
+	irq_work_run_list(this_cpu_ptr(&lazy_list));
 }

 /*
Index: linux/kernel/time/tick-sched.c
===================================================================
--- linux.orig/kernel/time/tick-sched.c
+++ linux/kernel/time/tick-sched.c
@@ -235,7 +235,7 @@  void tick_nohz_full_kick(void)
 	if (!tick_nohz_full_cpu(smp_processor_id()))
 		return;

-	irq_work_queue(&__get_cpu_var(nohz_full_kick_work));
+	irq_work_queue(this_cpu_ptr(&nohz_full_kick_work));
 }

 /*