Bruce, Yocto kernel folks: Here is the next 5.2.x stable update "extension" primarily created for the Yocto project, as the next v5.2.x post-EOL release.
The content is from an audit of what went into the v5.4.19 to v5.4.21 releases - plus any upstream commits listed as Fixes: for backports in the above v5.4.x content, and a few upstream commits for recent CVE. There are just over 400 commits deployed here that were applicable for this v5.2.39 release. The stand-out subsystem was kvm/x86 with more host/guest related tweaks reaching back to fine tune spectre/L1TF type content - a simple line count on the series puts kvm at 45, or over 10% of the total count. To that end, I did an extra sanity test with v5.2.39-defconfig plus KVM options enabled and used the same kernel binary as host and as the guest kernel on an older Xeon E5530 COTS platform, and things seemed as normal. I've also put this 5.2.39 queue through the normal testing; build testing on x86-64/32, ARM-64/32, PPC and MIPS, plus some static analysis and finally some sanity runtime tests on x86-64. Please find commit ID bafbb48bd16943c5ec3177fc4e27eb8f17555196 as the current head of linux-5.2.y branch in the repo in the kernel.org directory here: https://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux-5.2.y.git/?h=linux-5.2.y git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux-5.2.y.git for merge to standard/base in linux-yocto-5.2 and then out from there into the other base and BSP branches. For those who are interested, the evolution of the commits is here: https://git.kernel.org/cgit/linux/kernel/git/paulg/longterm-queue-5.2.git/ This repo isn't needed for anything; it just exists for transparency and so people can see the evolution of the raw commits that were originally selected to create this 5.2.x release. Paul.
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