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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Thu, 4 May 2017 18:17:13 +0200
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Subject: Re: [Qemu-devel] [PATCH 13/17] coroutine-lock: introduce
 qemu_co_mutex_lock_unlock
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To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org



On 04/05/2017 16:12, Stefan Hajnoczi wrote:
>> This primitive lets you lock/unlock a CoMutex, guaranteeing neither
>> blocking nor cacheline bouncing if there is no qemu_co_mutex_lock
>> critical section.
> "Guaranteeing neither X nor Y" means "does not guarantee X or Y".  Did
> you mean "Guarantees not X and not Y"?

Oops, thanks---I didn't know this!  "Guaranteeing no blocking and no
cacheline bouncing if there is no concurrent critical section".

Paolo