Re: [PATCH 1/3] stopmachine semaphore to mutex
* Daniel Walker <[EMAIL PROTECTED]> wrote: > It's called stopmachine_mutex now, but it's a semaphore. So make it a > "struct mutex" . > > Signed-off-by: Daniel Walker <[EMAIL PROTECTED]> Acked-by: Ingo Molnar <[EMAIL PROTECTED]> Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/3] stopmachine semaphore to mutex
* Daniel Walker [EMAIL PROTECTED] wrote: It's called stopmachine_mutex now, but it's a semaphore. So make it a struct mutex . Signed-off-by: Daniel Walker [EMAIL PROTECTED] Acked-by: Ingo Molnar [EMAIL PROTECTED] Ingo -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH 1/3] stopmachine semaphore to mutex
It's called stopmachine_mutex now, but it's a semaphore. So make it
a "struct mutex" .
Signed-off-by: Daniel Walker <[EMAIL PROTECTED]>
---
kernel/stop_machine.c |6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
Index: linux-2.6.23/kernel/stop_machine.c
===
--- linux-2.6.23.orig/kernel/stop_machine.c
+++ linux-2.6.23/kernel/stop_machine.c
@@ -29,7 +29,7 @@ enum stopmachine_state {
static enum stopmachine_state stopmachine_state;
static unsigned int stopmachine_num_threads;
static atomic_t stopmachine_thread_ack;
-static DECLARE_MUTEX(stopmachine_mutex);
+static DEFINE_MUTEX(stopmachine_mutex);
static int stopmachine(void *cpu)
{
@@ -177,7 +177,7 @@ struct task_struct *__stop_machine_run(i
smdata.data = data;
init_completion();
- down(_mutex);
+ mutex_lock(_mutex);
/* If they don't care which CPU fn runs on, bind to any online one. */
if (cpu == NR_CPUS)
@@ -193,7 +193,7 @@ struct task_struct *__stop_machine_run(i
wake_up_process(p);
wait_for_completion();
}
- up(_mutex);
+ mutex_unlock(_mutex);
return p;
}
--
--
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[PATCH 1/3] stopmachine semaphore to mutex
It's called stopmachine_mutex now, but it's a semaphore. So make it
a struct mutex .
Signed-off-by: Daniel Walker [EMAIL PROTECTED]
---
kernel/stop_machine.c |6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
Index: linux-2.6.23/kernel/stop_machine.c
===
--- linux-2.6.23.orig/kernel/stop_machine.c
+++ linux-2.6.23/kernel/stop_machine.c
@@ -29,7 +29,7 @@ enum stopmachine_state {
static enum stopmachine_state stopmachine_state;
static unsigned int stopmachine_num_threads;
static atomic_t stopmachine_thread_ack;
-static DECLARE_MUTEX(stopmachine_mutex);
+static DEFINE_MUTEX(stopmachine_mutex);
static int stopmachine(void *cpu)
{
@@ -177,7 +177,7 @@ struct task_struct *__stop_machine_run(i
smdata.data = data;
init_completion(smdata.done);
- down(stopmachine_mutex);
+ mutex_lock(stopmachine_mutex);
/* If they don't care which CPU fn runs on, bind to any online one. */
if (cpu == NR_CPUS)
@@ -193,7 +193,7 @@ struct task_struct *__stop_machine_run(i
wake_up_process(p);
wait_for_completion(smdata.done);
}
- up(stopmachine_mutex);
+ mutex_unlock(stopmachine_mutex);
return p;
}
--
--
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