H. Peter Anvin <[email protected]> wrote:

> So how do we make this move forward?

Getting my API additions in is relatively straightforward, I think.  The
whether-or-notness of the cmpxchg operation succeeding can be calculated by
comparing the original value read from memory with the value-to-be-replaced
inside the API function.

This can later be replaced with the boolean output from the CMPXCHG
instruction, the branch target from the LL/SC skipping or the result of the
intrinsics.

David

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