Re: [RFC] [Patch] calgary iommu: Use the first kernel's tce tables in kdump

Hi Muli,

I have tried to work with CCR ,CSR, CSMR, CSAR, CFGRW, GBRERRM registers but have been unable to make calgary generate an exception upon error condition. In alloc_tce_table() , I am setting WRITE_ONLY access permission bit to tce entries but it isn't helping. Would you kindly let me know how we can make calgary to generate an exception in error conditions ?.

Thanks,
Chandru

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• References:
  • [RFC] [Patch] calgary iommu: Use the first kernel's tce tables in kdump
    • From: chandru <[email protected]>
  • Re: [RFC] [Patch] calgary iommu: Use the first kernel's tce tables in kdump
    • From: Muli Ben-Yehuda <[email protected]>
  • Re: [RFC] [Patch] calgary iommu: Use the first kernel's tce tables in kdump
    • From: Vivek Goyal <[email protected]>
  • Re: [RFC] [Patch] calgary iommu: Use the first kernel's tce tables in kdump
    • From: Muli Ben-Yehuda <[email protected]>
  • Re: [RFC] [Patch] calgary iommu: Use the first kernel's tce tables in kdump
    • From: Vivek Goyal <[email protected]>

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