dmaengine: idxd: create kmem cache for event log fault items
Add a kmem cache per device for allocating event log fault context. The context allows an event log entry to be copied and passed to a software workqueue to be processed. Due to each device can have different sized event log entry depending on device type, it's not possible to have a global kmem cache. Tested-by:Tony Zhu <tony.zhu@intel.com> Signed-off-by:
Dave Jiang <dave.jiang@intel.com> Co-developed-by:
Fenghua Yu <fenghua.yu@intel.com> Signed-off-by:
Fenghua Yu <fenghua.yu@intel.com> Link: https://lore.kernel.org/r/20230407203143.2189681-8-fenghua.yu@intel.comSigned-off-by:
Vinod Koul <vkoul@kernel.org>
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