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SUSE Develops New Way Of Live-Patching The Kernel

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  • SUSE Develops New Way Of Live-Patching The Kernel

    Phoronix: SUSE Develops New Way Of Live-Patching The Kernel

    SUSE has announced they have developed a new way of live-patching a running kernel to avoid having to reboot the system when upgrading to the latest kernel version. There's been Ksplice as the leading means of live-upgrading a kernel but SUSE hopes their kGraft solution will be the superior mainline solution...

    http://www.phoronix.com/vr.php?view=MTU5MTA

  • #2
    Could someone explain how this is different then just kexec'ing the patched kernel?

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    • #3
      compiler extensions? that does not seem super clean to me :S

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      • #4
        Originally posted by FourDMusic View Post
        Could someone explain how this is different then just kexec'ing the patched kernel?
        Kexec boots a new kernel on the old, but you still need to run init shutdown and then boot the system again, you are only skipping the initialize process of BIOS/UEFI. Live-Patching means patching the kernel without stooping any user processes and reinit the system.

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