The Register: Improve Linux performance with this one weird trick.
A cryptic website with a single line of text promises to make your Linux box more responsive – if you are willing to accept some risk
https://go.theregister.com/feed/www.theregister.com/2022/07/18/improve_linux_performance/
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Older AMD and Intel chips are vulnerable to yet another Spectre-based speculative-execution attack that exposes secrets within kernel memory despite defenses already in place. Mitigating this side channel is expected to take a toll on performance.
The Register: Older AMD, Intel chips vulnerable to data-leaking 'Retbleed' Spectre variant.
https://go.theregister.com/feed/www.theregister.com/2022/07/12/amd_intel_retbleed/