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ACRN uses global invalidation for all DMAR translation caches. Whenever a UOS is shutdown or rebooted, it ends up clearing entries in translation caches belonging to other VMs/domains. This patch adds support for domain/device level invalidation for DMA translation caches and index based invalidation for Interrupt Remapping Cache. Tracked-On: #2738 Signed-off-by: Sainath Grandhi sainath.grandhi@intel.com Acked-by: Eddie Dong eddie.dong@intel.com |
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