Re: [PATCH v2 0/2] add support for new persistent memory instructions

[H. Peter Anvin]

On 01/26/2015 11:51 AM, Ross Zwisler wrote:
> 
> This is fine, but now you've got two fences in a row.  Another slightly more
> messy choice would be to include the fence in the pcommit assembly, so
> you either get pcommit + sfence or a pair of NOPs.
> 

If that is the required usage pattern, it should be part of the clwb()
inline at least.

	-hpa

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