Re: [PATCH] perf: Use pre-empt safe cpu_get/put insted of smp_processor_id
Hi Jean,
My bad, I didn't follow up with this. My guess is that it has not been
picked up. Tony, Kevin?
regards,
-roger
On 09/06/2012 09:59 PM, Jean Pihet wrote:
Fixed Paul's email address
On Thu, Sep 6, 2012 at 8:56 PM, Jean Pihet jean.pi...@newoldbits.com wrote:
Hi Roger,
On Fri, Aug 10, 2012 at 4:05 PM, Roger Quadros rog...@ti.com wrote:
gets rid of below messages with CONFIG_DEBUG_PREEMPT enabled
[ 28.832916] debug_smp_processor_id: 18 callbacks suppressed
[ 28.832946] BUG: using smp_processor_id() in preemptible []
code: modprobe/1763
[ 28.841491] caller is pwrdm_set_next_pwrst+0x54/0x120
Signed-off-by: Roger Quadros rog...@ti.com
What his the status of the patch? Has it been reviewed and taken in an
integration tree? I cannot find anything about it in l-o and
linux-next.
I have some changes on-going in the OMAP PM code and I would like to
know if $SUBJECT is applicable.
Regards,
Jean
---
arch/arm/mach-omap2/clock.c |9 ++---
arch/arm/mach-omap2/pm34xx.c | 12
arch/arm/mach-omap2/powerdomain.c |6 --
3 files changed, 18 insertions(+), 9 deletions(-)
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index ea3f565..06747b6 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -285,7 +285,8 @@ void omap2_clk_disable(struct clk *clk)
pr_debug(clock: %s: disabling in hardware\n, clk-name);
if (clk-ops clk-ops-disable) {
- trace_clock_disable(clk-name, 0, smp_processor_id());
+ trace_clock_disable(clk-name, 0, get_cpu());
+ put_cpu();
clk-ops-disable(clk);
}
@@ -339,7 +340,8 @@ int omap2_clk_enable(struct clk *clk)
}
if (clk-ops clk-ops-enable) {
- trace_clock_enable(clk-name, 1, smp_processor_id());
+ trace_clock_enable(clk-name, 1, get_cpu());
+ put_cpu();
ret = clk-ops-enable(clk);
if (ret) {
WARN(1, clock: %s: could not enable: %d\n,
@@ -380,7 +382,8 @@ int omap2_clk_set_rate(struct clk *clk, unsigned long
rate)
/* dpll_ck, core_ck, virt_prcm_set; plus all clksel clocks */
if (clk-set_rate) {
- trace_clock_set_rate(clk-name, rate, smp_processor_id());
+ trace_clock_set_rate(clk-name, rate, get_cpu());
+ put_cpu();
ret = clk-set_rate(clk, rate);
}
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index e4fc88c..81fec2e 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -357,18 +357,22 @@ void omap_sram_idle(void)
static void omap3_pm_idle(void)
{
+ unsigned cpu;
+
local_fiq_disable();
if (omap_irq_pending())
goto out;
- trace_power_start(POWER_CSTATE, 1, smp_processor_id());
- trace_cpu_idle(1, smp_processor_id());
+ cpu = get_cpu();
+ trace_power_start(POWER_CSTATE, 1, cpu);
+ trace_cpu_idle(1, cpu);
omap_sram_idle();
- trace_power_end(smp_processor_id());
- trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id());
+ trace_power_end(cpu);
+ trace_cpu_idle(PWR_EVENT_EXIT, cpu);
+ put_cpu();
out:
local_fiq_enable();
diff --git a/arch/arm/mach-omap2/powerdomain.c
b/arch/arm/mach-omap2/powerdomain.c
index 69b36e1..138bf86 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -169,7 +169,8 @@ static int _pwrdm_state_switch(struct powerdomain
*pwrdm, int flag)
((state OMAP_POWERSTATE_MASK)
8) |
((prev OMAP_POWERSTATE_MASK)
0));
trace_power_domain_target(pwrdm-name, trace_state,
- smp_processor_id());
+ get_cpu());
+ put_cpu();
}
break;
default:
@@ -491,7 +492,8 @@ int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8
pwrst)
if (arch_pwrdm arch_pwrdm-pwrdm_set_next_pwrst) {
/* Trace the pwrdm desired target state */
trace_power_domain_target(pwrdm-name, pwrst,
- smp_processor_id());
+ get_cpu());
+ put_cpu();
/* Program the pwrdm desired target state */
ret = arch_pwrdm-pwrdm_set_next_pwrst(pwrdm, pwrst);
}
--
1.7.4.1
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Re: [PATCH] perf: Use pre-empt safe cpu_get/put insted of smp_processor_id
Roger Quadros rog...@ti.com writes:
Hi Jean,
My bad, I didn't follow up with this. My guess is that it has not been
picked up. Tony, Kevin?
Wasn't picked up by me (but should've been, sorry.) Care to refresh
against v3.6-rc4 and resend?
Thanks,
Kevin
On 09/06/2012 09:59 PM, Jean Pihet wrote:
Fixed Paul's email address
On Thu, Sep 6, 2012 at 8:56 PM, Jean Pihet jean.pi...@newoldbits.com wrote:
Hi Roger,
On Fri, Aug 10, 2012 at 4:05 PM, Roger Quadros rog...@ti.com wrote:
gets rid of below messages with CONFIG_DEBUG_PREEMPT enabled
[ 28.832916] debug_smp_processor_id: 18 callbacks suppressed
[ 28.832946] BUG: using smp_processor_id() in preemptible []
code: modprobe/1763
[ 28.841491] caller is pwrdm_set_next_pwrst+0x54/0x120
Signed-off-by: Roger Quadros rog...@ti.com
What his the status of the patch? Has it been reviewed and taken in an
integration tree? I cannot find anything about it in l-o and
linux-next.
I have some changes on-going in the OMAP PM code and I would like to
know if $SUBJECT is applicable.
Regards,
Jean
---
arch/arm/mach-omap2/clock.c |9 ++---
arch/arm/mach-omap2/pm34xx.c | 12
arch/arm/mach-omap2/powerdomain.c |6 --
3 files changed, 18 insertions(+), 9 deletions(-)
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index ea3f565..06747b6 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -285,7 +285,8 @@ void omap2_clk_disable(struct clk *clk)
pr_debug(clock: %s: disabling in hardware\n, clk-name);
if (clk-ops clk-ops-disable) {
- trace_clock_disable(clk-name, 0, smp_processor_id());
+ trace_clock_disable(clk-name, 0, get_cpu());
+ put_cpu();
clk-ops-disable(clk);
}
@@ -339,7 +340,8 @@ int omap2_clk_enable(struct clk *clk)
}
if (clk-ops clk-ops-enable) {
- trace_clock_enable(clk-name, 1, smp_processor_id());
+ trace_clock_enable(clk-name, 1, get_cpu());
+ put_cpu();
ret = clk-ops-enable(clk);
if (ret) {
WARN(1, clock: %s: could not enable: %d\n,
@@ -380,7 +382,8 @@ int omap2_clk_set_rate(struct clk *clk, unsigned long
rate)
/* dpll_ck, core_ck, virt_prcm_set; plus all clksel clocks */
if (clk-set_rate) {
- trace_clock_set_rate(clk-name, rate, smp_processor_id());
+ trace_clock_set_rate(clk-name, rate, get_cpu());
+ put_cpu();
ret = clk-set_rate(clk, rate);
}
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index e4fc88c..81fec2e 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -357,18 +357,22 @@ void omap_sram_idle(void)
static void omap3_pm_idle(void)
{
+ unsigned cpu;
+
local_fiq_disable();
if (omap_irq_pending())
goto out;
- trace_power_start(POWER_CSTATE, 1, smp_processor_id());
- trace_cpu_idle(1, smp_processor_id());
+ cpu = get_cpu();
+ trace_power_start(POWER_CSTATE, 1, cpu);
+ trace_cpu_idle(1, cpu);
omap_sram_idle();
- trace_power_end(smp_processor_id());
- trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id());
+ trace_power_end(cpu);
+ trace_cpu_idle(PWR_EVENT_EXIT, cpu);
+ put_cpu();
out:
local_fiq_enable();
diff --git a/arch/arm/mach-omap2/powerdomain.c
b/arch/arm/mach-omap2/powerdomain.c
index 69b36e1..138bf86 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -169,7 +169,8 @@ static int _pwrdm_state_switch(struct powerdomain
*pwrdm, int flag)
((state OMAP_POWERSTATE_MASK)
8) |
((prev OMAP_POWERSTATE_MASK)
0));
trace_power_domain_target(pwrdm-name, trace_state,
- smp_processor_id());
+ get_cpu());
+ put_cpu();
}
break;
default:
@@ -491,7 +492,8 @@ int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8
pwrst)
if (arch_pwrdm arch_pwrdm-pwrdm_set_next_pwrst) {
/* Trace the pwrdm desired target state */
trace_power_domain_target(pwrdm-name, pwrst,
- smp_processor_id());
+ get_cpu());
+ put_cpu();
/* Program the pwrdm desired target state */
ret = arch_pwrdm-pwrdm_set_next_pwrst(pwrdm, pwrst);
}
--
1.7.4.1
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Re: [PATCH] perf: Use pre-empt safe cpu_get/put insted of smp_processor_id
Hi Roger,
On Fri, Aug 10, 2012 at 4:05 PM, Roger Quadros rog...@ti.com wrote:
gets rid of below messages with CONFIG_DEBUG_PREEMPT enabled
[ 28.832916] debug_smp_processor_id: 18 callbacks suppressed
[ 28.832946] BUG: using smp_processor_id() in preemptible [] code:
modprobe/1763
[ 28.841491] caller is pwrdm_set_next_pwrst+0x54/0x120
Signed-off-by: Roger Quadros rog...@ti.com
What his the status of the patch? Has it been reviewed and taken in an
integration tree? I cannot find anything about it in l-o and
linux-next.
I have some changes on-going in the OMAP PM code and I would like to
know if $SUBJECT is applicable.
Regards,
Jean
---
arch/arm/mach-omap2/clock.c |9 ++---
arch/arm/mach-omap2/pm34xx.c | 12
arch/arm/mach-omap2/powerdomain.c |6 --
3 files changed, 18 insertions(+), 9 deletions(-)
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index ea3f565..06747b6 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -285,7 +285,8 @@ void omap2_clk_disable(struct clk *clk)
pr_debug(clock: %s: disabling in hardware\n, clk-name);
if (clk-ops clk-ops-disable) {
- trace_clock_disable(clk-name, 0, smp_processor_id());
+ trace_clock_disable(clk-name, 0, get_cpu());
+ put_cpu();
clk-ops-disable(clk);
}
@@ -339,7 +340,8 @@ int omap2_clk_enable(struct clk *clk)
}
if (clk-ops clk-ops-enable) {
- trace_clock_enable(clk-name, 1, smp_processor_id());
+ trace_clock_enable(clk-name, 1, get_cpu());
+ put_cpu();
ret = clk-ops-enable(clk);
if (ret) {
WARN(1, clock: %s: could not enable: %d\n,
@@ -380,7 +382,8 @@ int omap2_clk_set_rate(struct clk *clk, unsigned long
rate)
/* dpll_ck, core_ck, virt_prcm_set; plus all clksel clocks */
if (clk-set_rate) {
- trace_clock_set_rate(clk-name, rate, smp_processor_id());
+ trace_clock_set_rate(clk-name, rate, get_cpu());
+ put_cpu();
ret = clk-set_rate(clk, rate);
}
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index e4fc88c..81fec2e 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -357,18 +357,22 @@ void omap_sram_idle(void)
static void omap3_pm_idle(void)
{
+ unsigned cpu;
+
local_fiq_disable();
if (omap_irq_pending())
goto out;
- trace_power_start(POWER_CSTATE, 1, smp_processor_id());
- trace_cpu_idle(1, smp_processor_id());
+ cpu = get_cpu();
+ trace_power_start(POWER_CSTATE, 1, cpu);
+ trace_cpu_idle(1, cpu);
omap_sram_idle();
- trace_power_end(smp_processor_id());
- trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id());
+ trace_power_end(cpu);
+ trace_cpu_idle(PWR_EVENT_EXIT, cpu);
+ put_cpu();
out:
local_fiq_enable();
diff --git a/arch/arm/mach-omap2/powerdomain.c
b/arch/arm/mach-omap2/powerdomain.c
index 69b36e1..138bf86 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -169,7 +169,8 @@ static int _pwrdm_state_switch(struct powerdomain *pwrdm,
int flag)
((state OMAP_POWERSTATE_MASK) 8) |
((prev OMAP_POWERSTATE_MASK) 0));
trace_power_domain_target(pwrdm-name, trace_state,
- smp_processor_id());
+ get_cpu());
+ put_cpu();
}
break;
default:
@@ -491,7 +492,8 @@ int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8
pwrst)
if (arch_pwrdm arch_pwrdm-pwrdm_set_next_pwrst) {
/* Trace the pwrdm desired target state */
trace_power_domain_target(pwrdm-name, pwrst,
- smp_processor_id());
+ get_cpu());
+ put_cpu();
/* Program the pwrdm desired target state */
ret = arch_pwrdm-pwrdm_set_next_pwrst(pwrdm, pwrst);
}
--
1.7.4.1
--
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Re: [PATCH] perf: Use pre-empt safe cpu_get/put insted of smp_processor_id
Fixed Paul's email address
On Thu, Sep 6, 2012 at 8:56 PM, Jean Pihet jean.pi...@newoldbits.com wrote:
Hi Roger,
On Fri, Aug 10, 2012 at 4:05 PM, Roger Quadros rog...@ti.com wrote:
gets rid of below messages with CONFIG_DEBUG_PREEMPT enabled
[ 28.832916] debug_smp_processor_id: 18 callbacks suppressed
[ 28.832946] BUG: using smp_processor_id() in preemptible [] code:
modprobe/1763
[ 28.841491] caller is pwrdm_set_next_pwrst+0x54/0x120
Signed-off-by: Roger Quadros rog...@ti.com
What his the status of the patch? Has it been reviewed and taken in an
integration tree? I cannot find anything about it in l-o and
linux-next.
I have some changes on-going in the OMAP PM code and I would like to
know if $SUBJECT is applicable.
Regards,
Jean
---
arch/arm/mach-omap2/clock.c |9 ++---
arch/arm/mach-omap2/pm34xx.c | 12
arch/arm/mach-omap2/powerdomain.c |6 --
3 files changed, 18 insertions(+), 9 deletions(-)
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index ea3f565..06747b6 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -285,7 +285,8 @@ void omap2_clk_disable(struct clk *clk)
pr_debug(clock: %s: disabling in hardware\n, clk-name);
if (clk-ops clk-ops-disable) {
- trace_clock_disable(clk-name, 0, smp_processor_id());
+ trace_clock_disable(clk-name, 0, get_cpu());
+ put_cpu();
clk-ops-disable(clk);
}
@@ -339,7 +340,8 @@ int omap2_clk_enable(struct clk *clk)
}
if (clk-ops clk-ops-enable) {
- trace_clock_enable(clk-name, 1, smp_processor_id());
+ trace_clock_enable(clk-name, 1, get_cpu());
+ put_cpu();
ret = clk-ops-enable(clk);
if (ret) {
WARN(1, clock: %s: could not enable: %d\n,
@@ -380,7 +382,8 @@ int omap2_clk_set_rate(struct clk *clk, unsigned long
rate)
/* dpll_ck, core_ck, virt_prcm_set; plus all clksel clocks */
if (clk-set_rate) {
- trace_clock_set_rate(clk-name, rate, smp_processor_id());
+ trace_clock_set_rate(clk-name, rate, get_cpu());
+ put_cpu();
ret = clk-set_rate(clk, rate);
}
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index e4fc88c..81fec2e 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -357,18 +357,22 @@ void omap_sram_idle(void)
static void omap3_pm_idle(void)
{
+ unsigned cpu;
+
local_fiq_disable();
if (omap_irq_pending())
goto out;
- trace_power_start(POWER_CSTATE, 1, smp_processor_id());
- trace_cpu_idle(1, smp_processor_id());
+ cpu = get_cpu();
+ trace_power_start(POWER_CSTATE, 1, cpu);
+ trace_cpu_idle(1, cpu);
omap_sram_idle();
- trace_power_end(smp_processor_id());
- trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id());
+ trace_power_end(cpu);
+ trace_cpu_idle(PWR_EVENT_EXIT, cpu);
+ put_cpu();
out:
local_fiq_enable();
diff --git a/arch/arm/mach-omap2/powerdomain.c
b/arch/arm/mach-omap2/powerdomain.c
index 69b36e1..138bf86 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -169,7 +169,8 @@ static int _pwrdm_state_switch(struct powerdomain
*pwrdm, int flag)
((state OMAP_POWERSTATE_MASK) 8)
|
((prev OMAP_POWERSTATE_MASK) 0));
trace_power_domain_target(pwrdm-name, trace_state,
- smp_processor_id());
+ get_cpu());
+ put_cpu();
}
break;
default:
@@ -491,7 +492,8 @@ int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8
pwrst)
if (arch_pwrdm arch_pwrdm-pwrdm_set_next_pwrst) {
/* Trace the pwrdm desired target state */
trace_power_domain_target(pwrdm-name, pwrst,
- smp_processor_id());
+ get_cpu());
+ put_cpu();
/* Program the pwrdm desired target state */
ret = arch_pwrdm-pwrdm_set_next_pwrst(pwrdm, pwrst);
}
--
1.7.4.1
--
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[PATCH] perf: Use pre-empt safe cpu_get/put insted of smp_processor_id
gets rid of below messages with CONFIG_DEBUG_PREEMPT enabled
[ 28.832916] debug_smp_processor_id: 18 callbacks suppressed
[ 28.832946] BUG: using smp_processor_id() in preemptible [] code:
modprobe/1763
[ 28.841491] caller is pwrdm_set_next_pwrst+0x54/0x120
Signed-off-by: Roger Quadros rog...@ti.com
---
arch/arm/mach-omap2/clock.c |9 ++---
arch/arm/mach-omap2/pm34xx.c | 12
arch/arm/mach-omap2/powerdomain.c |6 --
3 files changed, 18 insertions(+), 9 deletions(-)
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index ea3f565..06747b6 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -285,7 +285,8 @@ void omap2_clk_disable(struct clk *clk)
pr_debug(clock: %s: disabling in hardware\n, clk-name);
if (clk-ops clk-ops-disable) {
- trace_clock_disable(clk-name, 0, smp_processor_id());
+ trace_clock_disable(clk-name, 0, get_cpu());
+ put_cpu();
clk-ops-disable(clk);
}
@@ -339,7 +340,8 @@ int omap2_clk_enable(struct clk *clk)
}
if (clk-ops clk-ops-enable) {
- trace_clock_enable(clk-name, 1, smp_processor_id());
+ trace_clock_enable(clk-name, 1, get_cpu());
+ put_cpu();
ret = clk-ops-enable(clk);
if (ret) {
WARN(1, clock: %s: could not enable: %d\n,
@@ -380,7 +382,8 @@ int omap2_clk_set_rate(struct clk *clk, unsigned long rate)
/* dpll_ck, core_ck, virt_prcm_set; plus all clksel clocks */
if (clk-set_rate) {
- trace_clock_set_rate(clk-name, rate, smp_processor_id());
+ trace_clock_set_rate(clk-name, rate, get_cpu());
+ put_cpu();
ret = clk-set_rate(clk, rate);
}
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index e4fc88c..81fec2e 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -357,18 +357,22 @@ void omap_sram_idle(void)
static void omap3_pm_idle(void)
{
+ unsigned cpu;
+
local_fiq_disable();
if (omap_irq_pending())
goto out;
- trace_power_start(POWER_CSTATE, 1, smp_processor_id());
- trace_cpu_idle(1, smp_processor_id());
+ cpu = get_cpu();
+ trace_power_start(POWER_CSTATE, 1, cpu);
+ trace_cpu_idle(1, cpu);
omap_sram_idle();
- trace_power_end(smp_processor_id());
- trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id());
+ trace_power_end(cpu);
+ trace_cpu_idle(PWR_EVENT_EXIT, cpu);
+ put_cpu();
out:
local_fiq_enable();
diff --git a/arch/arm/mach-omap2/powerdomain.c
b/arch/arm/mach-omap2/powerdomain.c
index 69b36e1..138bf86 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -169,7 +169,8 @@ static int _pwrdm_state_switch(struct powerdomain *pwrdm,
int flag)
((state OMAP_POWERSTATE_MASK) 8) |
((prev OMAP_POWERSTATE_MASK) 0));
trace_power_domain_target(pwrdm-name, trace_state,
- smp_processor_id());
+ get_cpu());
+ put_cpu();
}
break;
default:
@@ -491,7 +492,8 @@ int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8
pwrst)
if (arch_pwrdm arch_pwrdm-pwrdm_set_next_pwrst) {
/* Trace the pwrdm desired target state */
trace_power_domain_target(pwrdm-name, pwrst,
- smp_processor_id());
+ get_cpu());
+ put_cpu();
/* Program the pwrdm desired target state */
ret = arch_pwrdm-pwrdm_set_next_pwrst(pwrdm, pwrst);
}
--
1.7.4.1
--
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