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Linux 5.12 Size and Addition of KFence

Submitted by Roy Schestowitz on Monday 1st of March 2021 07:27:31 PM Filed under
Linux
  • Linux 5.12 Coming In At Around 28.8 Million Lines, AMDGPU Driver Closing In On 3 Million - Phoronix

    The Linux kernel source tree following the eventful 5.12 merge window is at 28.81 million lines in the source tree across more than sixty thousand files. The largest in-tree kernel driver continues to be the AMDGPU kernel driver, which in the next kernel release or so should be crossing three million lines.

    Linux 5.12's merge window wasn't the biggest in recent time with some 508k lines of code added and 312k lines of code removed, or a net gain of 196k lines. The Linux 5.11 merge window meanwhile saw some 596k lines added and even the Linux 5.10 merge window saw a net gain of some 284k lines. Even so, bit by bit the Linux kernel source tree is closing in on 29 million lines likely to be breached with the Linux 5.13 merge window.

  • Linux 5.12 Will have A New Memory Safety Detector Called KFence

    Linus Torvalds merged a new low-overhead memory validator called KFence, short for Kernel Electric Fence, into the Linux git tree in time for Linux 5.12-rc1. KFence is a low-overhead memory error detector and validator similar to the existing KASAN (Kernel Address SANitizer) suitable for production kernels.

    [...]

    Linus Torvalds has merged a new alternative memory validator written by Google called KFence, or Kernel Electric Fence, into the Linux git tree. It will be available in Linux 5.12 as CONFIG_KFENCE.

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