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From: Richard Henderson <rth@twiddle.net>
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Date: Fri, 8 Apr 2016 11:35:16 -0700
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Subject: Re: [Qemu-devel] [PATCH v2 06/13] qemu-thread: add simple
 test-and-set spinlock
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To: "Emilio G. Cota" <cota@braap.org>, QEMU Developers <qemu-devel@nongnu.org>, MTTCG Devel <mttcg@greensocs.com>
Cc: =?UTF-8?Q?Alex_Benn=c3=a9e?= <alex.bennee@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Peter Crosthwaite <crosthwaite.peter@gmail.com>, Peter Maydell <peter.maydell@linaro.org>, Sergey Fedorov <serge.fdrv@gmail.com>

On 04/07/2016 10:32 AM, Emilio G. Cota wrote:
> +        while (atomic_read(&spin->value));

I really really don't like ; snuggled up behind loop conditions.
Isn't this where you want to use pause, anyway?


r~