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Questions tagged linux-kernel

98 questions · page 1 of 2

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23
votes
8
answers

Shared semaphore between user and kernel spaces

c linux-kernel semaphore
asked 2013-06-30T14:19:00.977
19
votes
4
answers

How to decode /proc/pid/pagemap entries in Linux?

linux linux-kernel memory-address
asked 2013-06-10T09:57:54.640
20
votes
3
answers

How to create a simple sysfs class attribute in Linux kernel v3.2

c linux linux-kernel linux-device-driver sysfs
asked 2013-04-26T20:56:23.537
12
votes
2
answers

Measuring Time in Linux Kernel Space With Sub-Microsecond Precision

c linux time linux-kernel
asked 2013-04-14T02:58:26.767
39
votes
4
answers

Configuring ARP age timeout

linux linux-kernel arp
asked 2013-03-12T20:59:52.297
8
votes
1
answers

linux/list.h - How to safely remove items from the list?

c list linux-kernel
asked 2013-03-11T06:22:37.783
8
votes
1
answers

Netlink Sockets in C using the 3.X linux kernel

c linux-kernel netlink
asked 2013-03-05T04:32:43.230
16
votes
2
answers

copy_to_user vs memcpy

c linux-kernel linux-device-driver memcpy
asked 2013-02-20T01:20:46.103
11
votes
1
answers

What order do Netfilter hooks go in, if they all specify NF_IP_PRI_LAST or NF_IP_PRI_FIRST?

linux linux-kernel netfilter
asked 2013-02-08T21:19:49.520
13
votes
2
answers

Why doing I/O in Linux is uninterruptible?

linux process io linux-kernel sleep
asked 2013-01-27T00:08:03.887
12
votes
3
answers

About "init: untracked pid xxxx exited" in Genymotion

android linux-kernel kernel embedded-linux genymotion
asked 2013-01-10T08:42:09.930
10
votes
1
answers

KVM shadow page table handling in x86 platform

linux linux-kernel x86 virtualization kvm
asked 2013-01-05T22:06:26.757
10
votes
5
answers

Can the thread ID of a multithreaded process be the same as the process ID of another running process?

linux multithreading process linux-kernel pthreads
asked 2013-01-02T16:35:42.607
9
votes
0
answers

How do I disable avx instructions on a linux computer?

linux linux-kernel avx
asked 2012-12-20T04:10:03.090
15
votes
2
answers

How does a segmentation fault work internally (kernel/hardware)?

c memory-management linux-kernel hardware
asked 2012-12-18T15:46:27.883
10
votes
2
answers

linux/scripts/recordmcount: No such file or directory

linux-kernel makefile
asked 2012-12-07T15:48:13.797
13
votes
2
answers

addition of a new network protocol in the linux kernel

c linux network-programming linux-kernel kernel
asked 2012-12-07T09:12:11.433
9
votes
1
answers

What's the correct way to process all the payload of a sk_buff packet in Linux

c network-programming linux-kernel skb
asked 2012-11-27T16:26:19.267
10
votes
1
answers

Does a page fault causes the faulting process to reschedule?

memory-management linux-kernel operating-system segmentation-fault swap
asked 2012-11-18T15:53:05.087
9
votes
1
answers

How can I prove __udelay() is working correctly on my ARM embedded system?

linux linux-kernel embedded
asked 2012-11-15T23:04:38.323
8
votes
1
answers

what's the difference between perf command and perfmon2 or libpfm4

linux-kernel perfmon perf
asked 2012-10-02T03:05:52.283
16
votes
4
answers

Extract vmlinux from vmlinuz or bzImage

bash linux-kernel kernel
asked 2012-08-17T08:26:01.917
15
votes
4
answers

In Linux, how do you use device_create within an existing class?

c linux linux-kernel device-driver
asked 2012-08-16T18:41:48.293
23
votes
1
answers

difference between dmesg and /var/log/kern.log

logging linux-kernel printk
asked 2012-07-10T12:06:03.623
16
votes
3
answers

Why is the close function is called release in `struct file_operations` in the Linux kernel?

linux linux-kernel kernel
asked 2012-07-09T10:56:18.060
11
votes
1
answers

Two file descriptor from different process point to the same entry in open file table

c linux unix file-io linux-kernel
asked 2012-07-04T08:06:45.237
8
votes
1
answers

inotify FD - why is the limit per user id and not per process?

linux linux-kernel inotify
asked 2012-06-19T22:11:06.563
22
votes
5
answers

Origin of a kworker-thread

linux linux-kernel
asked 2012-06-01T08:16:25.473
9
votes
2
answers

How can the same Linux program load memory addresses be used multiple times on different processes running concurrently?

linux linux-kernel
asked 2012-06-01T05:28:52.933
26
votes
4
answers

call a kernel module function from program at user space

linux user-interface module linux-kernel kernel
asked 2012-05-30T12:58:23.527
54
votes
1
answers

What is the 'asmlinkage' modifier meant for?

c assembly linux-kernel
asked 2012-05-05T07:01:45.903
8
votes
2
answers

Reserving a portion of SDRAM to pass data between U-Boot and the Linux Kernel

memory linux-kernel arm embedded-linux u-boot
asked 2012-04-26T21:02:19.610
9
votes
1
answers

Connection between mmap user call to mmap kernel call

c linux-kernel device-driver linux-device-driver
asked 2012-03-21T02:53:13.863
29
votes
5
answers

Understanding "Buffers" and "Cached" from free command

memory linux-kernel free-command
asked 2012-03-15T16:52:02.683
40
votes
3
answers

Memory mapped IO - how is it done?

operating-system linux-kernel kernel device-driver
asked 2012-03-11T11:25:47.780
19
votes
3
answers

In what context Kernel Thread runs in Linux?

linux linux-kernel kernel
asked 2012-02-22T05:46:15.633
134
votes
3
answers

If threads share the same PID, how can they be identified?

multithreading linux-kernel pid
asked 2012-02-16T05:23:28.540
16
votes
2
answers

Why do we need list_for_each_safe() in for deleting nodes in kernel linked list?

c foreach linux-kernel linked-list kernel
asked 2012-02-09T08:58:44.553
61
votes
6
answers

How to recompile just a single kernel module?

linux makefile linux-kernel gnu-make kernel-module
asked 2012-01-05T14:26:51.900
32
votes
4
answers

Difference between Kernel Virtual Address and Kernel Logical Address?

linux-kernel linux-device-driver
asked 2012-01-03T05:56:19.117
22
votes
2
answers

Handling multiple SIGCHLD

linux linux-kernel signals
asked 2011-12-06T10:22:12.537
9
votes
6
answers

Linux total available memory

linux memory-leaks linux-kernel embedded-linux
asked 2011-12-01T21:52:25.267
12
votes
2
answers

Linux POSIX Compliance list

linux linux-kernel posix
asked 2011-11-30T22:06:46.960
12
votes
2
answers

What does _NR stand for in system call number ?That is usually used as suffix

linux-kernel kernel system-calls
asked 2011-11-29T05:15:30.853
17
votes
7
answers

Getting VBox Guest Addtions for Android x86

android linux-kernel virtualbox dynamic-linking android-x86
asked 2011-11-22T23:05:25.490
9
votes
2
answers

default baud rate - linux/u-boot

linux-kernel serial-port embedded-linux powerpc u-boot
asked 2011-11-16T05:58:02.533
19
votes
3
answers

linux/module.h: No such file or directory

linux-kernel kernel
asked 2011-11-09T09:10:25.433
8
votes
3
answers

Getting kernel version from linux kernel module at runtime

linux-kernel kernel-module kernel-mode
asked 2011-11-06T22:04:20.013
31
votes
2
answers

What does request_mem_region() actually do and when it is needed?

c linux-kernel linux-device-driver embedded-linux
asked 2011-10-07T02:09:54.370
42
votes
6
answers

Who calls the probe() of driver

linux-kernel linux-device-driver
asked 2011-09-28T05:07:28.687
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