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由 Dave Jiang 提交于
Add shared workqueue support that includes the support of Shared Virtual memory (SVM) or in similar terms On Demand Paging (ODP). The shared workqueue uses the enqcmds command in kernel and will respond with retry if the workqueue is full. Shared workqueue only works when there is PASID support from the IOMMU. Signed-off-by: NDave Jiang <dave.jiang@intel.com> Reviewed-by: NTony Luck <tony.luck@intel.com> Reviewed-by: NDan Williams <dan.j.williams@intel.com> Link: https://lore.kernel.org/r/160382007499.3911367.26043087963708134.stgit@djiang5-desk3.ch.intel.comSigned-off-by: NVinod Koul <vkoul@kernel.org>
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