Linux-ARM-MSM Archive on lore.kernel.org
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From: Gregory CLEMENT <gregory.clement@free-electrons.com>
To: Stephen Boyd <sboyd@codeaurora.org>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org
Subject: Re: [PATCHv3 09/10] clocksource: time-armada-370-xp: Divorce from local timer API
Date: Wed, 20 Mar 2013 18:09:39 +0100
Message-ID: <5149ED53.5060002@free-electrons.com> (raw)
In-Reply-To: <1363198676-30417-10-git-send-email-sboyd@codeaurora.org>

On 03/13/2013 07:17 PM, Stephen Boyd wrote:
> Separate the armada 370xp local timers from the local timer API.
> This will allow us to remove ARM local timer support in the near
> future and makes this driver multi-architecture friendly.

At first view the code looks good, but when I applied your patch set on
linux-next, build it and run it on a Armada XP based board (AX3 with 2 cores),
it crashed:

Booting Linux on physical CPU 0x0
Linux version 3.9.0-rc3-next-20130319-00010-g728b448 (gclement@FE-greg-laptop) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #153 SMP Wed Mar 20 17:58:57 CET 2013
CPU: ARMv7 Processor [562f5842] revision 2 (ARMv7), cr=10c53c7d
CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
Machine: Marvell Armada 370/XP (Device Tree), model: PlatHome OpenBlocks AX3-4 board
bootconsole [earlycon0] enabled
Memory policy: ECC disabled, Data cache writealloc
PERCPU: Embedded 7 pages/cpu @c22b0000 s7104 r8192 d13376 u32768
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 784912
Kernel command line: console=ttyS0,115200 earlyprintk
PID hash table entries: 4096 (order: 2, 16384 bytes)
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
__ex_table already sorted, skipping sort
Memory: 3072MB = 3072MB total
Memory: 3113520k/3113520k available, 32208k reserved, 2367488K highmem
Virtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
    vmalloc : 0xf0000000 - 0xff000000   ( 240 MB)
    lowmem  : 0xc0000000 - 0xef800000   ( 760 MB)
    pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
    modules : 0xbf000000 - 0xbfe00000   (  14 MB)
      .text : 0xc0008000 - 0xc041647c   (4154 kB)
      .init : 0xc0417000 - 0xc0633bc0   (2163 kB)
      .data : 0xc0634000 - 0xc06605c0   ( 178 kB)
       .bss : 0xc06605c0 - 0xc0686a2c   ( 154 kB)
Hierarchical RCU implementation.
        RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=2.
NR_IRQS:16 nr_irqs:16 16
Aurora cache controller enabled
l2x0: 16 ways, CACHE_ID 0x00000100, AUX_CTRL 0x1a696b12, Cache size: 1048576 B
sched_clock: 32 bits at 25MHz, resolution 40ns, wraps every 171798ms
Console: colour dummy device 80x30
Calibrating delay loop...
Internal error: Oops - undefined instruction: 0 [#1] SMP ARM
Modules linked in:
CPU: 0    Not tainted  (3.9.0-rc3-next-20130319-00010-g728b448 #153)
PC is at 0xe92d45f0
LR is at armada_370_xp_timer_interrupt+0x3c/0x4c
pc : [<e92d45f0>]    lr : [<c023c2bc>]    psr: 600001d3
sp : c0635eb8  ip : 00000000  fp : c063c3f0
r10: 000003ff  r9 : 00000000  r8 : 00000010
r7 : c22b3c40  r6 : ef007c00  r5 : c0640fcc  r4 : c0053e30
r3 : e92d45f0  r2 : fffffffe  r1 : c22b3c40  r0 : c0053e30
Flags: nZCv  IRQs off  FIQs off  Mode SVC_32  ISA ARM  Segment kernel
Control: 10c53c7d  Table: 0000406a  DAC: 00000015
Process swapper/0 (pid: 0, stack limit = 0xc0634238)
Stack: (0xc0635eb8 to 0xc0636000)
5ea0:                                                       ef004c80 c0063224
5ec0: 00000010 00000010 00000000 c0660ac0 c0635f18 c005fcb8 c0632b90 c000ed94
5ee0: c0313c60 60000153 00000001 c00085a8 c0313c54 c0313c60 60000153 ffffffff
5f00: c0635f4c 00000000 562f5842 c06360c0 00000000 c000db60 0000001a ffff8ad0
5f20: ffff8ad0 c06360c0 00000000 00000000 c04379c0 c22ad780 00000000 562f5842
5f40: c06360c0 00000000 60000153 c0635f60 c0313c54 c0313c60 60000153 ffffffff
5f60: 00000021 00000000 00000003 00000004 0000006e c065fcc0 c067924c c063ceb8
5f80: c063cc84 c006d8c0 00000005 c065fcc0 c067924c c0421764 c22ad780 c063c42c
5fa0: 562f5842 c063cca8 c06605c0 c04379c0 c22ad780 00000000 562f5842 00000000
5fc0: 00000000 c0417754 ffffffff ffffffff c04172dc 00000000 00000000 c04379c0
5fe0: 10c53c7d c063c414 c04379bc c063febc 0000406a 00008074 00000000 00000000
[<c023c2bc>] (armada_370_xp_timer_interrupt+0x3c/0x4c) from [<c0063224>] (handle_percpu_devid_irq+0x64/0x80)
[<c0063224>] (handle_percpu_devid_irq+0x64/0x80) from [<c005fcb8>] (generic_handle_irq+0x20/0x30)
[<c005fcb8>] (generic_handle_irq+0x20/0x30) from [<c000ed94>] (handle_IRQ+0x38/0x90)
[<c000ed94>] (handle_IRQ+0x38/0x90) from [<c00085a8>] (armada_370_xp_handle_irq+0xa4/0xb0)
[<c00085a8>] (armada_370_xp_handle_irq+0xa4/0xb0) from [<c000db60>] (__irq_svc+0x40/0x50)
Exception stack(0xc0635f18 to 0xc0635f60)
5f00:                                                       0000001a ffff8ad0
5f20: ffff8ad0 c06360c0 00000000 00000000 c04379c0 c22ad780 00000000 562f5842
5f40: c06360c0 00000000 60000153 c0635f60 c0313c54 c0313c60 60000153 ffffffff
[<c000db60>] (__irq_svc+0x40/0x50) from [<c0313c60>] (calibrate_delay+0x378/0x528)
[<c0313c60>] (calibrate_delay+0x378/0x528) from [<c0417754>] (start_kernel+0x250/0x2dc)
[<c0417754>] (start_kernel+0x250/0x2dc) from [<00008074>] (0x8074)
Code: 1fe7deb7 cd5772dd fff5692e ed55f79e (7ed5a5f7)
---[ end trace 1b75b31a2719ed1c ]---
Kernel panic - not syncing: Fatal exception in interrupt
Internal error: Oops - undefined instruction: 0 [#2] SMP ARM
Modules linked in:
CPU: 0    Tainted: G      D       (3.9.0-rc3-next-20130319-00010-g728b448 #153)
PC is at 0xe92d45f0
LR is at armada_370_xp_timer_interrupt+0x3c/0x4c
pc : [<e92d45f0>]    lr : [<c023c2bc>]    psr: 600001d3
sp : c0635cc0  ip : 00000000  fp : c063c3f0
r10: 000003ff  r9 : 00000000  r8 : 00000010
r7 : c22b3c40  r6 : ef007c00  r5 : c0640fcc  r4 : c0053e30
r3 : e92d45f0  r2 : fffffffe  r1 : c22b3c40  r0 : c0053e30
Flags: nZCv  IRQs off  FIQs off  Mode SVC_32  ISA ARM  Segment kernel
Control: 10c53c7d  Table: 0000406a  DAC: 00000015
Process swapper/0 (pid: 0, stack limit = 0xc0634238)
Stack: (0xc0635cc0 to 0xc0636000)
5cc0: ef004c80 c0063224 00000010 00000010 c0635f18 c0660ac0 c0635d20 c005fcb8
5ce0: c0632b90 c000ed94 c0316d54 60000153 00000001 c00085a8 c0316ca4 c0316d54
5d00: 60000153 ffffffff c0635d54 c03a53b0 00000000 c0660b70 600001d3 c000db60
5d20: c0660fc0 00000000 c0642f80 00000000 00000000 00000000 0000000b c06400e0
5d40: c03a53b0 00000000 c0660b70 600001d3 00000000 c0635d68 c0316ca4 c0316d54
5d60: 60000153 ffffffff 600001d3 c0635d94 c06608c0 c0634000 0000000b c06400e0
5d80: c03a53b0 00000000 c063f180 c0011624 c03a5310 200001d3 c0642f80 00010000
5da0: c0634238 0000000b 00100100 c0635e70 e92d45f0 7ed5a5f7 00000001 00000500
5dc0: c000dbcc c0634000 c063c3f0 c00082a0 00000006 c22b0768 00000004 00000000
5de0: 00030001 e92d45f0 ffffffff 00000001 c22b076c 00000000 c065fa1c c065f9c0
5e00: 00100100 00000002 c065f9c0 00000000 c063cca0 00000000 00000002 c065f9c0
5e20: c0661ca4 c06618e6 00000041 00000002 0000000a 00000002 ffffffff 00000000
5e40: 00000000 00000000 00000000 00000000 c06602cc 00000000 c00146d4 e92d45f4
5e60: 600001d3 c0634050 00000001 c000dbcc c0053e30 c22b3c40 fffffffe e92d45f0
5e80: c0053e30 c0640fcc ef007c00 c22b3c40 00000010 00000000 000003ff c063c3f0
5ea0: 00000000 c0635eb8 c023c2bc e92d45f0 600001d3 ffffffff ef004c80 c0063224
5ec0: 00000010 00000010 00000000 c0660ac0 c0635f18 c005fcb8 c0632b90 c000ed94
5ee0: c0313c60 60000153 00000001 c00085a8 c0313c54 c0313c60 60000153 ffffffff
5f00: c0635f4c 00000000 562f5842 c06360c0 00000000 c000db60 0000001a ffff8ad0
5f20: ffff8ad0 c06360c0 00000000 00000000 c04379c0 c22ad780 00000000 562f5842
5f40: c06360c0 00000000 60000153 c0635f60 c0313c54 c0313c60 60000153 ffffffff
5f60: 00000021 00000000 00000003 00000004 0000006e c065fcc0 c067924c c063ceb8
5f80: c063cc84 c006d8c0 00000005 c065fcc0 c067924c c0421764 c22ad780 c063c42c
5fa0: 562f5842 c063cca8 c06605c0 c04379c0 c22ad780 00000000 562f5842 00000000
5fc0: 00000000 c0417754 ffffffff ffffffff c04172dc 00000000 00000000 c04379c0
5fe0: 10c53c7d c063c414 c04379bc c063febc 0000406a 00008074 00000000 00000000
[<c023c2bc>] (armada_370_xp_timer_interrupt+0x3c/0x4c) from [<c0063224>] (handle_percpu_devid_irq+0x64/0x80)
[<c0063224>] (handle_percpu_devid_irq+0x64/0x80) from [<c005fcb8>] (generic_handle_irq+0x20/0x30)
[<c005fcb8>] (generic_handle_irq+0x20/0x30) from [<c000ed94>] (handle_IRQ+0x38/0x90)
[<c000ed94>] (handle_IRQ+0x38/0x90) from [<c00085a8>] (armada_370_xp_handle_irq+0xa4/0xb0)
[<c00085a8>] (armada_370_xp_handle_irq+0xa4/0xb0) from [<c000db60>] (__irq_svc+0x40/0x50)
Exception stack(0xc0635d20 to 0xc0635d68)
5d20: c0660fc0 00000000 c0642f80 00000000 00000000 00000000 0000000b c06400e0
5d40: c03a53b0 00000000 c0660b70 600001d3 00000000 c0635d68 c0316ca4 c0316d54
5d60: 60000153 ffffffff
[<c000db60>] (__irq_svc+0x40/0x50) from [<c0316d54>] (panic+0x144/0x1b0)
[<c0316d54>] (panic+0x144/0x1b0) from [<c0011624>] (die+0x278/0x2a8)
[<c0011624>] (die+0x278/0x2a8) from [<c00082a0>] (do_undefinstr+0x9c/0x1c4)
[<c00082a0>] (do_undefinstr+0x9c/0x1c4) from [<c000dbcc>] (__und_svc_finish+0x0/0x14)
Exception stack(0xc0635e70 to 0xc0635eb8)
5e60:                                     c0053e30 c22b3c40 fffffffe e92d45f0
5e80: c0053e30 c0640fcc ef007c00 c22b3c40 00000010 00000000 000003ff c063c3f0
5ea0: 00000000 c0635eb8 c023c2bc e92d45f0 600001d3 ffffffff
[<c000dbcc>] (__und_svc_finish+0x0/0x14) from [<e92d45f0>] (0xe92d45f0)
Code: 1fe7deb7 cd5772dd fff5692e ed55f79e (7ed5a5f7)
---[ end trace 1b75b31a2719ed1d ]---


I am trying to figure out what happened.


> 
> Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>
> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
> ---
>  drivers/clocksource/time-armada-370-xp.c | 85 ++++++++++++++------------------
>  1 file changed, 38 insertions(+), 47 deletions(-)
> 
> diff --git a/drivers/clocksource/time-armada-370-xp.c b/drivers/clocksource/time-armada-370-xp.c
> index efe4aef..ee2e50c5 100644
> --- a/drivers/clocksource/time-armada-370-xp.c
> +++ b/drivers/clocksource/time-armada-370-xp.c
> @@ -19,6 +19,7 @@
>  #include <linux/platform_device.h>
>  #include <linux/kernel.h>
>  #include <linux/clk.h>
> +#include <linux/cpu.h>
>  #include <linux/timer.h>
>  #include <linux/clockchips.h>
>  #include <linux/interrupt.h>
> @@ -31,7 +32,6 @@
>  #include <linux/time-armada-370-xp.h>
>  
>  #include <asm/sched_clock.h>
> -#include <asm/localtimer.h>
>  /*
>   * Timer block registers.
>   */
> @@ -70,7 +70,7 @@ static bool timer25Mhz = true;
>   */
>  static u32 ticks_per_jiffy;
>  
> -static struct clock_event_device __percpu **percpu_armada_370_xp_evt;
> +static struct clock_event_device __percpu *armada_370_xp_evt;
>  
>  static u32 notrace armada_370_xp_read_sched_clock(void)
>  {
> @@ -143,14 +143,7 @@ armada_370_xp_clkevt_mode(enum clock_event_mode mode,
>  	}
>  }
>  
> -static struct clock_event_device armada_370_xp_clkevt = {
> -	.name		= "armada_370_xp_per_cpu_tick",
> -	.features	= CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_PERIODIC,
> -	.shift		= 32,
> -	.rating		= 300,
> -	.set_next_event	= armada_370_xp_clkevt_next_event,
> -	.set_mode	= armada_370_xp_clkevt_mode,
> -};
> +static int armada_370_xp_clkevt_irq;
>  
>  static irqreturn_t armada_370_xp_timer_interrupt(int irq, void *dev_id)
>  {
> @@ -173,42 +166,53 @@ static int __cpuinit armada_370_xp_timer_setup(struct clock_event_device *evt)
>  	u32 u;
>  	int cpu = smp_processor_id();
>  
> -	/* Use existing clock_event for cpu 0 */
> -	if (!smp_processor_id())
> -		return 0;
> -
>  	u = readl(local_base + TIMER_CTRL_OFF);
>  	if (timer25Mhz)
>  		writel(u | TIMER0_25MHZ, local_base + TIMER_CTRL_OFF);
>  	else
>  		writel(u & ~TIMER0_25MHZ, local_base + TIMER_CTRL_OFF);
>  
> -	evt->name		= armada_370_xp_clkevt.name;
> -	evt->irq		= armada_370_xp_clkevt.irq;
> -	evt->features		= armada_370_xp_clkevt.features;
> -	evt->shift		= armada_370_xp_clkevt.shift;
> -	evt->rating		= armada_370_xp_clkevt.rating,
> +	evt->name		= "armada_370_xp_per_cpu_tick",
> +	evt->features		= CLOCK_EVT_FEAT_ONESHOT |
> +				  CLOCK_EVT_FEAT_PERIODIC;
> +	evt->shift		= 32,
> +	evt->rating		= 300,
>  	evt->set_next_event	= armada_370_xp_clkevt_next_event,
>  	evt->set_mode		= armada_370_xp_clkevt_mode,
> +	evt->irq		= armada_370_xp_clkevt_irq;
>  	evt->cpumask		= cpumask_of(cpu);
>  
> -	*__this_cpu_ptr(percpu_armada_370_xp_evt) = evt;
> -
>  	clockevents_config_and_register(evt, timer_clk, 1, 0xfffffffe);
>  	enable_percpu_irq(evt->irq, 0);
>  
>  	return 0;
>  }
>  
> -static void  armada_370_xp_timer_stop(struct clock_event_device *evt)
> +static void __cpuinit armada_370_xp_timer_stop(struct clock_event_device *evt)
>  {
>  	evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt);
>  	disable_percpu_irq(evt->irq);
>  }
>  
> -static struct local_timer_ops armada_370_xp_local_timer_ops __cpuinitdata = {
> -	.setup	= armada_370_xp_timer_setup,
> -	.stop	=  armada_370_xp_timer_stop,
> +static int __cpuinit armada_370_xp_timer_cpu_notify(struct notifier_block *self,
> +					   unsigned long action, void *hcpu)
> +{
> +	struct clock_event_device *evt = this_cpu_ptr(armada_370_xp_evt);
> +
> +	switch (action & ~CPU_TASKS_FROZEN) {
> +	case CPU_STARTING:
> +		armada_370_xp_timer_setup(evt);
> +		break;
> +	case CPU_DYING:
> +		armada_370_xp_timer_stop(evt);
> +		break;
> +	}
> +
> +	return NOTIFY_OK;
> +}
> +
> +static struct notifier_block armada_370_xp_timer_cpu_nb __cpuinitdata = {
> +	.notifier_call = armada_370_xp_timer_cpu_notify,
>  };
>  
>  void __init armada_370_xp_timer_init(void)
> @@ -224,9 +228,6 @@ void __init armada_370_xp_timer_init(void)
>  
>  	if (of_find_property(np, "marvell,timer-25Mhz", NULL)) {
>  		/* The fixed 25MHz timer is available so let's use it */
> -		u = readl(local_base + TIMER_CTRL_OFF);
> -		writel(u | TIMER0_25MHZ,
> -		       local_base + TIMER_CTRL_OFF);
>  		u = readl(timer_base + TIMER_CTRL_OFF);
>  		writel(u | TIMER0_25MHZ,
>  		       timer_base + TIMER_CTRL_OFF);
> @@ -236,9 +237,6 @@ void __init armada_370_xp_timer_init(void)
>  		struct clk *clk = of_clk_get(np, 0);
>  		WARN_ON(IS_ERR(clk));
>  		rate =  clk_get_rate(clk);
> -		u = readl(local_base + TIMER_CTRL_OFF);
> -		writel(u & ~(TIMER0_25MHZ),
> -		       local_base + TIMER_CTRL_OFF);
>  
>  		u = readl(timer_base + TIMER_CTRL_OFF);
>  		writel(u & ~(TIMER0_25MHZ),
> @@ -252,7 +250,7 @@ void __init armada_370_xp_timer_init(void)
>  	 * We use timer 0 as clocksource, and private(local) timer 0
>  	 * for clockevents
>  	 */
> -	armada_370_xp_clkevt.irq = irq_of_parse_and_map(np, 4);
> +	armada_370_xp_clkevt_irq = irq_of_parse_and_map(np, 4);
>  
>  	ticks_per_jiffy = (timer_clk + HZ / 2) / HZ;
>  
> @@ -277,26 +275,19 @@ void __init armada_370_xp_timer_init(void)
>  			      "armada_370_xp_clocksource",
>  			      timer_clk, 300, 32, clocksource_mmio_readl_down);
>  
> -	/* Register the clockevent on the private timer of CPU 0 */
> -	armada_370_xp_clkevt.cpumask = cpumask_of(0);
> -	clockevents_config_and_register(&armada_370_xp_clkevt,
> -					timer_clk, 1, 0xfffffffe);
> +	register_cpu_notifier(&armada_370_xp_timer_cpu_nb);
>  
> -	percpu_armada_370_xp_evt = alloc_percpu(struct clock_event_device *);
> +	armada_370_xp_evt = alloc_percpu(struct clock_event_device);
>  
>  
>  	/*
>  	 * Setup clockevent timer (interrupt-driven).
>  	 */
> -	*__this_cpu_ptr(percpu_armada_370_xp_evt) = &armada_370_xp_clkevt;
> -	res = request_percpu_irq(armada_370_xp_clkevt.irq,
> +	res = request_percpu_irq(armada_370_xp_clkevt_irq,
>  				armada_370_xp_timer_interrupt,
> -				armada_370_xp_clkevt.name,
> -				percpu_armada_370_xp_evt);
> -	if (!res) {
> -		enable_percpu_irq(armada_370_xp_clkevt.irq, 0);
> -#ifdef CONFIG_LOCAL_TIMERS
> -		local_timer_register(&armada_370_xp_local_timer_ops);
> -#endif
> -	}
> +				"armada_370_xp_per_cpu_tick",
> +				armada_370_xp_evt);
> +	/* Immediately configure the timer on the boot CPU */
> +	if (!res)
> +		armada_370_xp_timer_setup(this_cpu_ptr(armada_370_xp_evt));
>  }
> 


-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com

  reply index

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-13 18:17 [PATCHv3 00/10] Remove ARM " Stephen Boyd
2013-03-13 18:17 ` [PATCHv3 01/10] clocksource: add generic dummy timer driver Stephen Boyd
2013-03-21 18:09   ` Mark Rutland
2013-03-21 18:13     ` Stephen Boyd
2013-03-22 18:03       ` Mark Rutland
2013-03-25 16:49         ` Stephen Boyd
2013-03-25 18:00           ` Mark Rutland
2013-03-25 20:47             ` Thomas Gleixner
2013-03-26 15:26               ` Mark Rutland
2013-03-26  2:14             ` Stephen Boyd
2013-03-26 11:28               ` Mark Rutland
2013-04-05  1:46                 ` Stephen Boyd
2013-03-13 18:17 ` [PATCHv3 02/10] ARM: smp: Remove duplicate dummy timer implementation Stephen Boyd
2013-03-13 18:17 ` [PATCHv3 03/10] ARM: smp_twd: Divorce smp_twd from local timer API Stephen Boyd
2013-03-28 15:22   ` Mark Rutland
2013-03-28 20:09     ` Stephen Boyd
2013-04-02  8:41       ` Mark Rutland
2013-03-13 18:17 ` [PATCHv3 04/10] ARM: OMAP2+: Divorce " Stephen Boyd
2013-03-13 18:17 ` [PATCHv3 05/10] ARM: EXYNOS4: Divorce mct " Stephen Boyd
2013-03-13 18:17 ` [PATCHv3 06/10] ARM: PRIMA2: Divorce timer-marco " Stephen Boyd
2013-03-13 18:17 ` [PATCHv3 07/10] ARM: msm: Divorce msm_timer " Stephen Boyd
2013-03-13 18:17 ` [PATCHv3 08/10] clocksource: time-armada-370-xp: Fix sparse warning Stephen Boyd
2013-03-20 17:06   ` Gregory CLEMENT
2013-03-13 18:17 ` [PATCHv3 09/10] clocksource: time-armada-370-xp: Divorce from local timer API Stephen Boyd
2013-03-20 17:09   ` Gregory CLEMENT [this message]
2013-03-20 17:20     ` Stephen Boyd
2013-03-20 17:26       ` Gregory CLEMENT
2013-03-20 17:44         ` Gregory CLEMENT
2013-03-20 18:00           ` Stephen Boyd
2013-03-20 17:21     ` Gregory CLEMENT
2013-03-13 18:17 ` [PATCHv3 10/10] ARM: smp: Remove " Stephen Boyd

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