[PATCH 3.14 07/17] lpfc: Add iotag memory barrier

3.14-stable review patch. If anyone has any objections, please let me know. -- From: James Smart commit 27f344eb15dd0da80ebec80c7245e8c85043f841 upstream. Add a memory barrier to ensure the valid bit is read before any of the cqe payload is read. This fixes an issue seen on

[PATCH 3.14 07/17] lpfc: Add iotag memory barrier

3.14-stable review patch. If anyone has any objections, please let me know. -- From: James Smart james.sm...@emulex.com commit 27f344eb15dd0da80ebec80c7245e8c85043f841 upstream. Add a memory barrier to ensure the valid bit is read before any of the cqe payload is read. This