Re: [PATCH 1/2] crypto: iaa - Change desc->priv to 0

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On 12/18/23 12:47, Tom Zanussi wrote:
In order for shared workqeues to work properly, desc->priv should be
set to 0 rather than 1.  The need for this is described in commit
f5ccf55e1028 (dmaengine/idxd: Re-enable kernel workqueue under DMA
API), so we need to make IAA consistent with IOMMU settings, otherwise
we get:

   [  141.948389] IOMMU: dmar15: Page request in Privilege Mode
   [  141.948394] dmar15: Invalid page request: 2000026a100101 ffffb167

Dedicated workqueues ignore this field and are unaffected.

Signed-off-by: Tom Zanussi <tom.zanussi@xxxxxxxxxxxxxxx>

Reviewed-by: Fenghua Yu <fenghua.yu@xxxxxxxxx>

Thanks.

-Fenghua




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