Re: [PATCH v6 3/5] qrwlock: Enable fair queue read/write lock

[Linus Torvalds]

On Mon, Nov 18, 2013 at 10:34 AM, Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:
>
> FWIW unfair can be faster in some cases. It depends on the workload.

Sure. And we've never cared before.

When we switched over to the ticket spinlocks, we actually had
*numbers* about how the old unfair spinlocks could be faster. And we
still didn't leave a "unfair spinlocks" option. Because it didn't make
sense.

Why would it make sense here?

                Linus
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