0
votes
0answers
12 views

OpenVswitch in Linux kernel configuration

There's a kernel configuration variable Open vSwitch (CONFIG_OPENVSWITCH). This enables openVswitch support inside the kernel, but still to use it, we need a userspace daemon. My question is, what ...
3
votes
2answers
33 views

Using Linux kernel config file from version to version

I have currently Linux Kernel 2.6, which works for my hardware. Now I want to compile Linux kernel 3.2 for the same hardware. Can I use the same .config of 2.6 directly for v3.2? Is there any ...
0
votes
1answer
15 views

kernel config with strange dependancies

I am trying to build the Android Linux kernel from source following this README. The instructions very clearly state: 1.1 Required enabled config options: After building a standard defconfig, ...
3
votes
3answers
170 views

Compare two kernel config files from the menuconfig perspective?

I have a situation in which i have two kernel config files (for the same kernel source ). Both of them have a part of the functionality that i need (on one, USB works correctly, on other, the second ...
0
votes
1answer
54 views

How to select which OS kernel to upgrade when multiple OS'es are installed?

I am trying to upgrade my kernel on a machine with multiple OS'es. I have a Red Hawk OS (a real-time Red Hat variant) and Red Hat installed. I can select which OS to boot into using grub. I'd like to ...
1
vote
2answers
201 views

How I can enable Linux full tickless mode using CONFIG_NO_HZ_FULL?

Where do I enable the CONFIG_NO_HZ_FULL kernel configuration? Is it something I can set in conf files or is it something that has to be enabled when I build the kernel? I am using CentOS with an ...
2
votes
2answers
162 views

Where kernel configuration file is stored?

I currently run Angstrom Linux 2.6.32. I intend to upgrade linux kernel from 2.6.32 to 3.0.7. For this reason, I had to configure kernel 3.0.7 running make menuconfig. Now, I want to compare the new ...
0
votes
1answer
41 views

Linux Kernel Compile-time options for Seagate IDE drive

I am configuring linux kernel 3.12.14 obtained from linux.org for compiling using 'make gconfig'. My question is what options exactly I need to enable to make it work for my Seagate IDE HDD? I am ...
0
votes
1answer
88 views

What is CONFIG_BASE_SMALL=0

Looking at the config file of Linux (that is generated prior to build) I found the following line: CONFIG_BASE_SMALL=0 What does it mean? If I want my linux kernel to be as small as possible shall ...
4
votes
1answer
99 views

How to relate a kernel config setting to the source files?

Here is an example that will explain better: I have a selected the audio driver from the picture and i would like to browse through its source. How do i get to the path of the source files from ...
1
vote
2answers
653 views

“select” vs “depends” in kernel Kconfig

What are the differences in dependencies between select and depends on in the kernels Kconfig files? config FB_CIRRUS tristate "Cirrus Logic support" depends on FB && (ZORRO || PCI) select ...
2
votes
1answer
115 views

Compiling Linux kernel for a router [closed]

I want to make an installable linux kernel that has routing enabled already. So anyone can install it on their machine, do some configuration as required, and machine will work fine for their routing ...
0
votes
1answer
172 views

Kernel 3.13 on Ubuntu ARM + Android kernel options compatibility

I've installed ubuntu 12.04 LTS with the kernel 3.13 on my ARM Samsung / Google Chromebook,using this tutorial : http://www.virtualopensystems.com/en/solutions/guides/kvm-on-chromebook/ I have to ...
1
vote
1answer
858 views

How to fix make error “No rule to make target 'menuconfig'” when building a kernel for Beagleboard?

The aim is to build and install the USB Video Class (UVC) module, via make modules_install. I'm trying to configure the kernel via make menuconfig on Angstrom distribution, running on BeagleBoard-xM. ...
0
votes
1answer
342 views

how do I include the qcserial module in the kernel?

I need a kernel compiled, featuring the qcserial module to have support for the Huawei EM 680 model (Gobi 3000). I got kernel 3.11.6 and can find the appropriate source file in ...
2
votes
3answers
458 views

How do I know which kernel configuration option enabled my driver?

TL;DR: when I was trying to compile a driver for USB DAQ device I have reconfigured the kernel. The driver refused to compile under the default distro's kernel but everything works with my tweaked ...
0
votes
2answers
45 views

Resuming the Linux Kernel Configuration

I am configuring a Linux kernel before I compile the code. However, after I was thirty minutes into answering the many questions concerning various kernel settings, I accidentally pressed Ctrl+C. I do ...
2
votes
2answers
487 views

Enabling UTS Namespaces in the Linux Kernel

When configuring the Linux kernel, what are the advantages and disadvantages of enabling UTS namespaces? Would the new system be harmed if UTS namespaces were disabled?
1
vote
1answer
1k views

Understanding RCU when Configuring the Linux Kernel

I am configuring the Linux kernel version 3.9.4. I am being asked questions about RCU (seen below). Specifically, what are each of these and what are the advantages and disadvantages of enabling or ...
1
vote
2answers
859 views

Automatic kernel configuration tool

Is there any developed automatic linux kernel configuration tool? I have found a method of make localmodconfig, but it is certainly very limited. I have searched the web but unfortunately have not ...
2
votes
2answers
1k views

Finding out the values of kernel options related to sysctl.conf and sysctl.d

On my Ubuntu machine, in /etc/sysctl.conf file, I've got reverse path filtering options commented out by default like this: #net.ipv4.conf.default.rp_filter=1 #net.ipv4.conf.all.rp_filter=1 but in ...
0
votes
1answer
579 views

How to compile kernel for KVM guest (without paravirtualization)?

So I have a KVM machine, where I run an Ubuntu 12.04 (server edition). I want to compile a minimalistic kernel for the KVM guest, but I only found the howto for hosts, and guests with ...
2
votes
0answers
86 views

How to deal with closed source modules when configuring a new kernel build

I found this command very useful: make localmodconfig However, having some closed source drivers/modules ends up being a problem because this command can't find an appropriate way of including the ...
5
votes
1answer
3k views

How do I convert a kernel .config file from 32-bit to 64-bit?

At this page you can download a configuration file that lets you target a particular notebook architecture during the compilation of a new 32-bit Linux kernel. I need a 64 bit version. What do I ...