Linux 7.0 Looks To Enable Intel TSX By Default On Capable CPUs For Better Performance

Phoronix Jan 16, 2026

A patch queued up into tip/tip.git's x86/cpu Git branch ahead of the upcoming Linux 6.20~7.0 kernel cycle enables the Intel Transactional Synchronization Extensions (TSX) functionality by default on the mainline kernel for capable CPUs and those not affected by side-channel attacks due to TSX Async Abort (TAA) and similar vulnerabilities. For newer Intel CPUs with safe TSX support, this change can mean better performance with the kernel defaults...

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