[PATCH 5/7] cxlflash: Reorder user context initialization

[Matthew R. Ochs]

> On Mar 4, 2016, at 3:55 PM, Uma Krishnan <ukrishn at linux.vnet.ibm.com> wrote:
> 
> In order to support cxlflash in the PowerVM environment, underlying
> hypervisor APIs have imposed a kernel API ordering change.
> 
> For the superpipe access to LUN, user applications need a context.
> The cxlflash module creates this context by making a sequence of
> cxl calls. In the current code, a context is initialized via
> cxl_dev_context_init() followed by cxl_process_element(), a function
> that obtains the process element id. Finally, cxl_start_work()
> is called to attach the process element.
> 
> In the PowerVM environment, a process element id cannot be obtained
> from the hypervisor until the process element is attached. The
> cxlflash module is unable to create contexts without a valid
> process element id.
> 
> To fix this problem, cxl_start_work() is called before obtaining
> the process element id.
> 
> Signed-off-by: Uma Krishnan <ukrishn at linux.vnet.ibm.com>

Acked-by: Matthew R. Ochs <mrochs at linux.vnet.ibm.com>