Messages in this thread | | | Subject | Re: [PATCH 1/5] iommu/amd - Add debugfs support | From | Gary R Hook <> | Date | Mon, 29 Jan 2018 13:05:15 -0600 |
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On 01/26/2018 06:00 PM, Borislav Petkov wrote: > On Fri, Jan 26, 2018 at 05:52:15PM -0600, Gary R Hook wrote: >> --- a/drivers/iommu/Kconfig >> +++ b/drivers/iommu/Kconfig >> @@ -135,6 +135,15 @@ config AMD_IOMMU_V2 >> hardware. Select this option if you want to use devices that support >> the PCI PRI and PASID interface. >> >> +config AMD_IOMMU_DEBUG >> + bool "Expose AMD IOMMU internals in DebugFS" >> + depends on AMD_IOMMU && DEBUG_FS >> + default n >> + help >> + With this option you can enable access to AMD IOMMU registers and >> + data structures through debugfs. Select this to see information >> + about the internal state of the device. >> + >> # Intel IOMMU support >> config DMAR_TABLE >> bool >> diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile >> index 1fb695854809..d9e9ed5f6cfc 100644 >> --- a/drivers/iommu/Makefile >> +++ b/drivers/iommu/Makefile >> @@ -9,7 +9,7 @@ obj-$(CONFIG_IOMMU_IO_PGTABLE_LPAE) += io-pgtable-arm.o >> obj-$(CONFIG_IOMMU_IOVA) += iova.o >> obj-$(CONFIG_OF_IOMMU) += of_iommu.o >> obj-$(CONFIG_MSM_IOMMU) += msm_iommu.o >> -obj-$(CONFIG_AMD_IOMMU) += amd_iommu.o amd_iommu_init.o >> +obj-$(CONFIG_AMD_IOMMU) += amd_iommu.o amd_iommu_init.o amd_iommu_debugfs.o > > That looks like it needs to be: > > obj-$(CONFIG_AMD_IOMMU_DEBUG) += amd_iommu_debugfs.o
Of course. Thanks, Boris. I'll get that in v2.
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