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SubjectRe: [PATCH 01/29] iov_iter: Switch to using a table of operations
Date
Linus Torvalds <torvalds@linux-foundation.org> wrote:

> - I worry a bit about the indirect call overhead and spectre v2.

I don't know enough about how spectre v2 works to say if this would be a
problem for the ops-table approach, but wouldn't it also affect the chain of
conditional branches that we currently use, since it's branch-prediction
based?

David

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