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Questions tagged linux-kernel

98 questions · page 2 of 2

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12
votes
2
answers

How can I pause for 100+ milliseconds in a linux driver module?

linux linux-kernel delay linux-device-driver
asked 2011-09-09T21:25:54.917
15
votes
1
answers

Insert linux kernel module statically

linux linux-kernel kernel kernel-module
asked 2011-09-08T20:09:40.993
17
votes
3
answers

Which context are softirq and tasklet in?

linux linux-kernel interrupt softirq
asked 2011-08-21T02:13:51.087
23
votes
2
answers

DMA cache coherence management

linux linux-kernel kernel dma
asked 2011-08-20T14:14:11.120
25
votes
3
answers

List all harddrives in a linux system

linux linux-kernel embedded-linux
asked 2011-08-18T11:54:36.037
10
votes
2
answers

How to change kernel i/o buffer size

c linux io linux-kernel
asked 2011-08-12T18:45:13.850
12
votes
1
answers

linux kernel aio functionality

c linux io linux-kernel aio
asked 2011-08-02T20:58:01.980
19
votes
6
answers

Limit physical memory per process

c++ linux memory process linux-kernel
asked 2011-07-30T10:52:16.027
9
votes
2
answers

task gate, interrupt gate, call gate

linux-kernel x86 x86-64
asked 2011-07-13T17:50:06.957
13
votes
2
answers

Need to "calculate" optimum ulimit and fs.file-max values according to my own server needs

linux-kernel ulimit sysctl
asked 2011-05-30T20:37:23.813
12
votes
2
answers

gdb disassemble: show function offsets in base 16

gdb linux-kernel backtracking
asked 2011-05-18T11:07:00.563
17
votes
6
answers

Kernel zeroes memory?

c memory-management linux-kernel
asked 2011-05-14T21:13:30.180
36
votes
6
answers

mmap, msync and linux process termination

c linux linux-kernel
asked 2011-05-05T18:44:07.093
13
votes
3
answers

Linux programmatically up/down an interface kernel

c linux network-programming linux-kernel
asked 2011-05-02T14:52:32.440
49
votes
5
answers

Is there any API for determining the physical address from virtual address in Linux?

linux memory memory-management linux-kernel virtual-address-space
asked 2011-04-21T18:52:52.830
13
votes
8
answers

Building an out-of-tree Linux kernel module in a separate object directory

makefile linux-kernel kbuild
asked 2011-04-19T15:32:34.840
12
votes
4
answers

How does the bootloader pick up the command after a "restarting system with command"?

android linux linux-kernel bootloader u-boot
asked 2011-03-29T12:49:04.050
18
votes
5
answers

How does the kernel know if the CPU is in user mode or kenel mode?

linux-kernel
asked 2011-03-07T18:52:08.183
10
votes
3
answers

How do ioctls know which function to call in linux?

linux linux-kernel
asked 2011-02-21T02:48:40.843
62
votes
11
answers

How is Linux kernel live debugging done and what tools are used?

debugging linux-kernel kernel
asked 2011-02-09T10:53:01.697
15
votes
3
answers

How can I obtain battery level inside a Linux kernel module?

linux-kernel kernel-module acpi
asked 2011-02-01T03:42:42.213
9
votes
2
answers

Context switch in Interrupt handlers

linux linux-kernel
asked 2011-01-19T06:36:03.287
19
votes
4
answers

Why does Linux on x86 use different segments for user processes and the kernel?

linux-kernel x86 memory-segmentation
asked 2011-01-01T18:01:56.487
82
votes
3
answers

What are the implications of the linux __user macro?

c macros linux-kernel kernel
asked 2010-12-23T18:46:01.337
22
votes
4
answers

How the util of iostat is computed?

linux linux-kernel linux-device-driver
asked 2010-12-16T06:51:50.247
20
votes
2
answers

How to load a custom module at the boot time in Ubuntu?

linux module linux-kernel kernel
asked 2010-12-04T22:39:48.147
106
votes
5
answers

What does "make oldconfig" do exactly in the Linux kernel makefile?

linux makefile linux-kernel
asked 2010-11-14T16:52:49.357
14
votes
6
answers

How to make Android device boot when power is plugged in?

android linux-kernel android-ndk
asked 2010-11-12T21:51:01.587
31
votes
3
answers

How to 'reload' source files in GDB

linux-kernel gdb
asked 2010-11-07T14:43:58.370
15
votes
5
answers

what is the difference between memory mapped io and io mapped io

operating-system linux-kernel
asked 2010-10-08T12:33:40.747
28
votes
4
answers

How to solve "BUG: scheduling while atomic: swapper /0x00000103/0, CPU#0"? in TSC2007 Driver?

c linux-kernel
asked 2010-08-21T10:23:35.593
13
votes
5
answers

Mapping DMA buffers to userspace

c linux linux-kernel linux-device-driver
asked 2010-07-26T10:21:39.413
20
votes
7
answers

Why can't OS use entire 64-bits for addressing? Why only the 48-bits?

windows memory-management 64-bit linux-kernel address-space
asked 2010-07-10T14:32:19.893
26
votes
6
answers

"FATAL: Module not found error" using modprobe

c linux linux-kernel kernel linux-device-driver
asked 2010-06-29T12:12:36.133
11
votes
3
answers

Contributing to a Linux distribution

linux language-agnostic operating-system linux-kernel linux-distro
asked 2010-06-08T06:14:46.110
12
votes
6
answers

How to communicate with a Linux kernel module from user space without littering /dev with new nodes?

linux linux-kernel linux-device-driver
asked 2010-05-25T09:51:50.983
45
votes
3
answers

Why doesn't Linux use the hardware context switch via the TSS?

linux x86 linux-kernel low-level
asked 2010-04-26T03:46:33.180
9
votes
3
answers

Linux Kernel Module - Creating proc file - proc_root undeclared error

linux-kernel kernel kernel-module
asked 2010-03-28T02:49:18.490
37
votes
6
answers

What is the best way to prevent out of memory (OOM) freezes on Linux?

linux memory linux-kernel out-of-memory
asked 2010-01-24T03:37:36.177
11
votes
1
answers

Send a raw ethernet packet from inside a kernel module

c sockets linux-kernel network-programming raw-sockets
asked 2009-12-07T17:41:02.637
10
votes
2
answers

Git global tags--- evidently bad, but why?

git version-control linux-kernel versioning tags
asked 2009-11-24T23:50:14.343
12
votes
4
answers

Relation between USB and PCI

hardware linux-kernel
asked 2009-11-12T16:24:07.387
11
votes
3
answers

Linux 3/1 virtual address split

linux linux-kernel virtual-memory
asked 2009-11-01T23:21:34.813
31
votes
4
answers

what is a reentrant kernel

linux operating-system linux-kernel
asked 2009-07-22T08:26:42.670
87
votes
5
answers

Selecting a Linux I/O Scheduler

linux linux-kernel scheduling
asked 2009-06-17T21:22:11.637
10
votes
6
answers

What is the ideal & fastest way to communicate between kernel and user space?

linux linux-kernel
asked 2009-06-02T22:36:05.073
67
votes
13
answers

How to get function's name from function's pointer in Linux kernel?

c linux-kernel function-pointers
asked 2008-12-08T22:18:17.897
130
votes
8
answers

What is the difference between vmalloc and kmalloc?

c linux-kernel kmalloc vmalloc
asked 2008-09-22T17:46:20.273
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