Re: [PATCH] x86 spinlock: Fix memory corruption on completing completions

[Denys Vlasenko <vda.linux@xxxxxxxxxxxxxx>]

On Tue, Feb 10, 2015 at 2:18 PM, Denys Vlasenko
<vda.linux@xxxxxxxxxxxxxx> wrote:
>         while (1) {
>             if (READ_ONCE(lock->tickets.head) != TICKET_TAIL(val))
>                 cpu_relax();
>         }

Doh.... should be

         while (READ_ONCE(lock->tickets.head) != TICKET_TAIL(val)
             cpu_relax();
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