News [Phoronix] Scoped User Access In Linux 6.19 To Reduce Speculation Barriers & Its Performance Hit

[LinuxBot]

Merged yesterday to the Linux 6.19 Git codebase was the "core/uaccess" pull that introduces new scoped user-mode access with auto-cleanup functionality. This can reduce the number of speculation barriers encountered when needing to access user-mode memory and thereby avoiding some of the performance penalties incurred by speculation barriers...

Source: https://www.phoronix.com/news/Linux-6.19-Scoped-User-Access

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