Linux 5.8 Set To Optionally Flush The L1d Cache On Context Switch To Increase Security

The Linux kernel patches that have been spearheaded by Amazon AWS engineers to optionally flush the L1 data cache on each context switch have now been queued in the x86/mm branch ahead of the upcoming Linux 5.8 kernel cycle.

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source https://www.linux.com/news/linux-5-8-set-to-optionally-flush-the-l1d-cache-on-context-switch-to-increase-security/