Re: [PATCH 1/2] iommu - Enable debugfs exposure of the IOMMU

2018-03-30 Thread Gary R Hook
On 03/29/2018 10:57 PM, Tom Lendacky wrote: On 3/29/2018 5:54 PM, Gary R Hook wrote: Provide base enablement for using debugfs to expose internal data of an IOMMU driver. When enabled, create the /sys/kernel/debug/iommu So this can't actually create anything yet since nothing invokes the funct

Re: [PATCH 1/2] iommu - Enable debugfs exposure of the IOMMU

2018-03-29 Thread Tom Lendacky
On 3/29/2018 5:54 PM, Gary R Hook wrote: > Provide base enablement for using debugfs to expose internal data of > an IOMMU driver. When enabled, create the /sys/kernel/debug/iommu So this can't actually create anything yet since nothing invokes the function. Maybe describe how it should be used b

[PATCH 1/2] iommu - Enable debugfs exposure of the IOMMU

2018-03-29 Thread Gary R Hook
Provide base enablement for using debugfs to expose internal data of an IOMMU driver. When enabled, create the /sys/kernel/debug/iommu directory. Emit a strong warning at boot time to indicate that this feature is enabled. Signed-off-by: Gary R Hook --- drivers/iommu/Kconfig | 11 +++