add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/arm64/mm/dma-mapping.c
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@@ -11,7 +11,6 @@
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 #include <xen/xen.h>
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 #include <xen/swiotlb-xen.h>
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 #include <trace/hooks/iommu.h>
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-#include <trace/hooks/dma_noalias.h>
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 #include <asm/cacheflush.h>
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@@ -56,9 +55,6 @@
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 		trace_android_vh_iommu_setup_dma_ops(dev, dma_base, size);
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 		trace_android_rvh_iommu_setup_dma_ops(dev, dma_base, size);
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 	}
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-
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-	/* Allow vendor modules to opt-in for the 2454944 erratum workaround */
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-	trace_android_rvh_setup_dma_ops(dev);
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 #ifdef CONFIG_XEN
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 	if (xen_initial_domain())