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Reçu aujourd’hui — 3 décembre 2025

Scoped User Access In Linux 6.19 To Reduce Speculation Barriers & Its Performance Hit

3 décembre 2025 à 11:29
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...

AES-GCM Optimizations Land In Linux 6.19 - Benefiting AMD Zen 3, AVX-512 CPUs Too

3 décembre 2025 à 11:14
Google engineer Eric Biggers who is known for his many Linux crypto subsystem performance optimizations has seen his latest pull requests land in Linux 6.19. Notable among them are some AES-GCM optimizations benefiting AMD Zen 3 processors and separately AVX-512 processors also benefit too from this latest round of optimization work...
Reçu hier — 2 décembre 2025

Linux 6.19 Merges "klp-build" As New Livepatch Module Generation Solution

2 décembre 2025 à 18:00
Merged as part of the objtool changes for the Linux 6.19 kernel is introducing the "klp-build" script as a new solution to generate livepatch modules using a source .patch file as the input. This klp-build effort was spearheaded by Josh Poimboeuf with ideas learned from the out-of-tree Kpatch project over the past decade...
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