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Re: pserialize(9) vs. TAILQ

On Sat, Nov 22, 2014 at 01:24:42PM +0800, Dennis Ferguson wrote:
> I'll guess one problem is in sparc/mutex.h, here:
>     #define MUTEX_RECEIVE(mtx)              /* nothing */
>     #define MUTEX_GIVE(mtx)                 /* nothing */
> This works with TSO, but with RMO they need to somehow generate
> hardware memory barriers.  See arm/mutex.h for an example with
> them filled in.

Or src/sys/arch/sparc64/include/mutex.h - IIRC sparc v8 and earlier do not
have RMO.


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