Kernel and patch-general Linux technology-Linux programming and kernel information. The following is a detailed description. Kernel generally refers to the complete linux kernel source. the file name is generally linux-2.x.x.tar.gz or
Linux-2.X.X.tar.bz2, the size after compression is generally between 10--15M. In fact, each time the kernel
Upgrades and changes are not great. For example, if you have kernel 2.2.1
The difference is very small. The pache file contains the variable files between two adjacent versions. In this way,
When upgrading the kernel, for example, from 2.2.1 to 2.2.2, there is no need to complete 2.2.2.
Next, you only need to use the patch file to patch 2.2.1. This patch is called patch-2.2.2.
Because the patch files are generally in the range of 10 KB to kb, that is, they are much smaller than the complete kernel,
Therefore, it is easier to download and upgrade. 2.2.1 after patch 2.2.2 is installed
No difference.
However, because the patch is only an update file between two adjacent versions
If there are more, it will be very troublesome. For example, to upgrade from kernel 2.2.0 to kernel 2.2.5
Patch 2.2.1, patch 2.2.2, patch 2.2.3, patch 2.2.4, and patch 2.2.5 are ordered one by one
Patch, so at this time, it is better to re-set the complete kernel source, that is
Linux-2.2.5.tar.gz?linux-2.2.5.tar.bz2 to upgrade.
The patch method is detailed in the complete kernel README file or kernel-HOWTO,
Read these two documents carefully before upgrading the kernel.
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