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Coccinelle was initially used to aid the evolution of the Linux kernel, providing support for changes to library application programming interfaces (APIs) such as renaming a function, adding a function argument whose value is somehow context-dependent, and reorganizing a data structure.
The definition of the term varies depending upon the community using it. In Ruby, [2] Python, [3] and many other dynamic programming languages, the term monkey patch only refers to dynamic modifications of a class or module at runtime, motivated by the intent to patch existing third-party code as a workaround to a bug or feature which does not act as desired.
The project's maintainer can then scan through the list of patches, marking each with a certain state, such as Accepted, Rejected or Under Review. Old patches can be sent to the archive or deleted. Currently, Patchwork is being used for a number of open-source projects, mostly subsystems of the Linux kernel and FFmpeg. Although Patchwork has ...
For example, quilt is heavily used by the maintainers of the Linux kernel. [2] Quilt evolved from a set of patch-management scripts originally written by Linux kernel developer Andrew Morton, [3] and was developed by Andreas Grünbacher for maintaining Linux kernel customizations for SuSE Linux. [4]
KernelCare is a live kernel patching service that provides security patches and bugfixes for a range of popular Linux kernels [2] that can be installed without rebooting the system. [3] KernelCare software is a commercial product. The first beta was introduced in March 2014 and it was commercially launched in May 2014.
Ksplice is an open-source [2] [3] extension of the Linux kernel that allows security patches to be applied to a running kernel without the need for reboots, avoiding downtimes and improving availability (a technique broadly referred to as dynamic software updating). Ksplice supports only the patches that do not make significant semantic changes ...
This was required due to Fedora's transition from Python 2 to Python 3, which isn't supported by YUM. [10] DNF also improves on YUM in several ways - improved performance, better resolution of dependency conflicts, and easier integration with other software applications. [11] From RHEL 8, yum is an alias for DNF. [12]
The primary difference between kGraft and kpatch is the way they ensure runtime consistency of the updated code sections while hot patches are applied. kGraft and kpatch were submitted for inclusion into the Linux kernel mainline in April 2014 and May 2014, respectively, [13] [14] and the minimalistic foundations for live patching were merged ...