Difference between revisions of "Kernel versioning"

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<translate>
== Versioning ==
+
== Versioning == <!--T:1-->
  
=== New-style versioning ===
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=== New-style versioning === <!--T:2-->
  
 +
<!--T:3-->
 
Currently (since 2.6.20) all new OpenVZ kernels has a simple version like <tt>2.6.n-ovzXXX</tt>
 
Currently (since 2.6.20) all new OpenVZ kernels has a simple version like <tt>2.6.n-ovzXXX</tt>
  
 +
<!--T:4-->
 
* '''2.6.n''' is a vanilla kernel version, e.g. 2.6.20 or 2.6.22, which this OpenVZ kernel is based on;
 
* '''2.6.n''' is a vanilla kernel version, e.g. 2.6.20 or 2.6.22, which this OpenVZ kernel is based on;
 
* '''ovzXXX''' is the OpenVZ kernel version, e.g. ovz001 for the very first one.
 
* '''ovzXXX''' is the OpenVZ kernel version, e.g. ovz001 for the very first one.
  
=== Old-style versioning ===
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=== Old-style versioning === <!--T:5-->
  
 +
<!--T:6-->
 
Some time ago OpenVZ kernel versions were named like <tt>2.6.n-XXXtestYYY.z</tt> and <tt>2.6.n-XXXstabYYY.z</tt>.
 
Some time ago OpenVZ kernel versions were named like <tt>2.6.n-XXXtestYYY.z</tt> and <tt>2.6.n-XXXstabYYY.z</tt>.
  
 +
<!--T:7-->
 
* '''2.6.n''' is a vanilla kernel version (i.e. the one from [http://kernel.org/ kernel.org]) which this OpenVZ kernel is based on.
 
* '''2.6.n''' is a vanilla kernel version (i.e. the one from [http://kernel.org/ kernel.org]) which this OpenVZ kernel is based on.
 
* '''XXX''' is a major OpenVZ kernel version number, which usually changes from release to release, or when dramatic changes to the kernel are made.
 
* '''XXX''' is a major OpenVZ kernel version number, which usually changes from release to release, or when dramatic changes to the kernel are made.
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* '''z''' is an add-on number; it is used as rpm's <tt>Release</tt> field and in most cases is set to 1.
 
* '''z''' is an add-on number; it is used as rpm's <tt>Release</tt> field and in most cases is set to 1.
  
 +
<!--T:8-->
 
This style is kept for some kernels that started before switching to the new versioning.
 
This style is kept for some kernels that started before switching to the new versioning.
  
=== Cycle ===
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=== Cycle === <!--T:9-->
 
Usual kernel development cycle looks like this:
 
Usual kernel development cycle looks like this:
  
 +
<!--T:10-->
 
021test000 → 021test001 → ... → 021test012 → ''here kernel is declared stable'' → 021stab000 → 021stab001 → ... → 021stab023
 
021test000 → 021test001 → ... → 021test012 → ''here kernel is declared stable'' → 021stab000 → 021stab001 → ... → 021stab023
  
== Branches ==
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== Branches == <!--T:11-->
  
 +
<!--T:12-->
 
A few kernel branches are being developed in parallel. See [[Download/kernel]] for more info about branches and their statuses.
 
A few kernel branches are being developed in parallel. See [[Download/kernel]] for more info about branches and their statuses.
 
</translate>
 
</translate>
  
 
[[Category: Kernel]]
 
[[Category: Kernel]]

Latest revision as of 08:40, 26 December 2015

<translate>

Versioning[edit]

New-style versioning[edit]

Currently (since 2.6.20) all new OpenVZ kernels has a simple version like 2.6.n-ovzXXX

  • 2.6.n is a vanilla kernel version, e.g. 2.6.20 or 2.6.22, which this OpenVZ kernel is based on;
  • ovzXXX is the OpenVZ kernel version, e.g. ovz001 for the very first one.

Old-style versioning[edit]

Some time ago OpenVZ kernel versions were named like 2.6.n-XXXtestYYY.z and 2.6.n-XXXstabYYY.z.

  • 2.6.n is a vanilla kernel version (i.e. the one from kernel.org) which this OpenVZ kernel is based on.
  • XXX is a major OpenVZ kernel version number, which usually changes from release to release, or when dramatic changes to the kernel are made.
  • test series kernels are unstable kernel releases, which are usually under extensive development, while stab series kernels are more or less stable kernel releases which are close to be released or are in production already.
  • YYY is a minor OpenVZ kernel version number, which changes from build to build, when bugfixes or small feature changes were made.
  • z is an add-on number; it is used as rpm's Release field and in most cases is set to 1.

This style is kept for some kernels that started before switching to the new versioning.

Cycle[edit]

Usual kernel development cycle looks like this:

021test000 → 021test001 → ... → 021test012 → here kernel is declared stable → 021stab000 → 021stab001 → ... → 021stab023

Branches[edit]

A few kernel branches are being developed in parallel. See Download/kernel for more info about branches and their statuses. </translate>