kpatch 0.9.1

A patch release to bump the release number in the tree which also includes recent fixes:

• Handle ppc64le toc with only constants
• Don't strip callback section symbols
• Integration tests update
• Fix -Wconversion warnings
• Process debug sections last
• Use annotation tags as part of the release process

kpatch 0.9.0

Increment version to v0.9.0 due to the fact that the core module is now deprecated.

• The core module (kpatch.ko) is deprecated and is no longer compiled by default. CONFIG_LIVEPATCH is recommended instead. For more details, see #1042.
• Many bug fixes
• Many integration test improvements and fixes
• Documentation cleanups

kpatch 0.8.0

Increment version to v0.8.0 due to manual signaling logic being removed from kpatch util. Full list of changes:

• kpatch.ko atomic replace fixes
• Fixes for potential problems found by covscan
• Remove manual signaling logic from kpatch utility
• Don't strip callback symbols
• Allow dynamic debug static keys

kpatch 0.7.1

• Fix several powerpc-specific bugs, including two which can result in kernel panics
• Use rpmbuild --nodeps for installing srpm on Fedora/RHEL
• Fix inconsistent unit test failures for FAIL tests

kpatch 0.7.0

Increment version to v0.7.0 due to changed behavior of kpatch.service and
kpatch load subcommand. Full list of changes:

• Multiple memory leak fixes in kpatch-build
• livepatch-patch-hook compatability fixes for kernels 5.1+
• Making kpatch-build compatible with custom gcc names
• Added rhel-rebased integration tests
• kpatch.service will no longer unload modules on stop
• kpatch load will no longer fail if a module is already loaded and enabled
• kpatch-build will now check for *_fixup section changes on ppc64le and will fail on such changes
• Add support for R_X86_64_PLT32
• don't allow jump labels
• ppc64le-specific kpatch-build fixes

v0.6.3

v0.6.3 includes:

• Lots of integration test work
• Better support for building out-of-tree modules
• Updated manpage options, drop deprecated distro specific mentions
• README.md updates for shadow variables, out-of-tree modules
• Fix core module compilation with CONFIG_HAVE_ARCH_PREL32_RELOCATIONS
• kpatch-build detects and abort on unsupported options
  GCC_PLUGIN_LATENT_ENTROPY, GCC_PLUGIN_RANDSTRUCT
• Fix patch linking with 4.20+
• Other minor shellcheck and kpatch-build fixups

kpatch 0.6.2

Patch release that includes fixes for:

• ppc64le: relax .text section addralign value check
• gcc8: unit-tests
• gcc8: support parent/child symbol relations
• gcc8: handle functions changing subsection
• gcc8: consider ".text.hot" sections bundleable
• kpatch-build: bugfix for less aggressive clean build-cache
• ubuntu: remove "-signed" substring from the kernel source package name
• ubuntu: explicitly note elfutils dependency
• upstream 4.18: unit-tests
• upstream 4.18: KCFLAGS -mcount-record support support
• RHEL-8: don't care who provides yumdownloader
• RHEL-8: account for quirky SRPM / release name conventions

kpatch 0.6.1

Patch release that includes fixes for:

• increase the transition timeout, helpful for large CPU count systems
• ppc64le WARN macro detection
• .parainstructions-related panic fix
• many, many unit/integration test cleanups and improvements
• properly align .parainstructions sections in patch module
• remove 'immediate' flag support from RHEL-7.6 onward
• initial GCC 8 support bugfixes
• support for RHEL kernel-alt release
• misc kpatch-build fixes and optimizations

kpatch 0.6.0

• Increment version to 0.6.0 due to 926e4e0 ("kmod: add support for
  in-kernel livepatch hooks"), which removed the kpatch (un)load hook API
  support and converted to livepatch-style hooks.
• Lots of misc bugfixes and cleanups
• Manpage, README.md fixups
• More PPC64 work
• "Undefined reference" build failure rework
• Livepatch disable retries
• New unit testing framework

kpatch 0.5.0

In addition to many bug fixes, this release has the following new features:

• Basic ppc64le support
• kpatch utility support for the livepatch consistency model:
  • kpatch load automatically signals stalled processes after a timeout
  • kpatch list shows stalled processes
  • kpatch signal signals stalled processes
• kpatch-build has some new options:
  • multiple source patches can be combined into a single binary patch module
  • -n|--name option for giving a custom name to the patch module
  • additional -d options for more verbose debug modes
• The module prefix is now either livepatch- or kpatch- depending on the underlying patching technology