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The Register

Torvalds patch improves Linux performance by 2.6%

The Register
Summary
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75% Informative

Linus Torvalds changes code to avoid speculative execution of some machine code.

The change is a rewrite of one submitted by Red Hat developer Josh Poimboeuf .

The patch avoids using barrier_nospec() in 64 -bit copy_from_user() in Linux .

It's not a big deal, but it shows why the kernel commandant commands over a million a year from the Linux Foundation .