Questions tagged [tasklet]
41 questions
0
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1 answer
Why will a scheduled tasklet from an interrupt handler not run
I have an interrupt handler which schedules a tasklet as follows (pseudo code) -
struct tasklet_struct mytasklet;
void my_tasklet_function(unsigned long arg1) {
...
pr_alert("Inside tasklet function\n");
...
}
int my_probe() {
…
Vishal Sagar
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Passing arguments from BatchJob to Tasklet in Spring Batch
To all Spring enthusiasts, here's a good challenge. Hope someone can crack it!!!
I use Spring to batch the extraction process. I have two classes 'ExtractBatchJob' and 'TaskletImpl'
public class ExtractBatchJob {
/** Logger for current class…
user5475461
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- 5
0
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1 answer
why do a atomic read to count variable in tasklet structure?
in tasklet_action routine - while handling an entry from tasklet_vec list of
core , we are atomically reading atomic_read(&t->count), i dont see
any of its uses through out the routine, what is its significant ?
if (tasklet_trylock(t)) { //…
susheel pandey
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0
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2 answers
why same TASKLET can't execute on two core simultaneously?
In linux Kernel implementation for ARM platform, deferred work in tasklet is added to percpu vec|vec_hi list.
now while returning from ISR execution it goes to address deferred work in softirq and tasklets.
now this deferred work can be taken care…
susheel pandey
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- 5
0
votes
1 answer
kernel hang when not doing tasklet_kill
I write simple code to test the function of tasklet.
When I don't do tasklet_kill, the kernel will be hang after the insmod command is using. Since there is no log, I have no idea what happens.
The following is my code.
void work_fcn(unsigned long…
Anakin Tung
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2 answers
What happens if a running tasklet is interrupted by a hardware interrupt
What happens if a running tasklet is interrupted by a hardware interrupt. I mean if there is a tasklet in the middle of execution and a hardware interrupt happens. Does the tasklet complete its execution before the interrupt code is run, or the…
Adi s
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one tasklet used by different drivers
Is it possible to define a single tasklet in one module, and "export" it for use by others? I wonder if this is theoretically possible, what about synchronization and ordered access to the tasklet? Or such idea is stupid?
Thanks.
Mark
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Problems with tasklets and interrupts in Linux
Let's assume that we have an interrupt handler and a tasklet in Linux. The tasklet is scheduled from this interrupt handler.
The interrupt handler works as a some kind of producer, and tasklet as consumer.
The problem occurs when the tasklet runs…
user2699113
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Executing python code in parallel with ndb tasklets
First of all i know i can use threading to accomplish such task, like so:
import Queue
import threading
# called by each thread
def do_stuff(q, arg):
result = heavy_operation(arg)
q.put(result)
operations = range(1, 10)
q =…
vertazzar
- 1,053
- 7
- 10
0
votes
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Using always async ndb operations in ndb gae
I'm developing with gae and ndb and I find that I have to write a lot of code for ndb gets and queries. Sometimes I need two versions (sometimes 3 or more).
Suppose I have the following Models and functions inside them:
class MainEnt(ndb.Model):
…
janscas
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0
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How can I pass value to a linux kernel tasklet from an irq handler?
I have a Linux driver where there are many interrupts to be handled by a single tasklet function.
I want to register the same tasklet for all of them but change its behavior according to which irq it was received on. Can I do this?
Is there an…
user627119
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