Re: furwocks: Fast Userspace Read/Write Locks
H. Peter Anvin (hpa@zytor.com)
7 Mar 2002 12:17:52 -0800
Followup to: <20020307191043.9C5F33FE15@smtp.linux.ibm.com>
By author: Hubertus Franke <frankeh@watson.ibm.com>
In newsgroup: linux.dev.kernel
>
> Take a look at Rusty's futex-1.2, the code is not that different, however
> if its all inlined it creates additional code on the critical path
> and why do it if not necessary.
>
> In this case the futexes are the well tested path, the rest is a cludge on
> top of it.
>
Perhaps someone could give a high-level description of how these
"futexes" work?
-hpa
--
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"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com>
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