Re: [PATCH v8 14/18] irqdomain: irq_domain_check_msi_remap

2017-01-18 Thread Tomasz Nowicki
On 17.01.2017 15:06, Tomasz Nowicki wrote: On 17.01.2017 14:53, Auger Eric wrote: Hi Tomasz, On 17/01/2017 14:40, Tomasz Nowicki wrote: On 11.01.2017 10:41, Eric Auger wrote: This new function checks whether all MSI irq domains implement IRQ remapping. This is useful to understand whether VFI

Re: [PATCH v8 14/18] irqdomain: irq_domain_check_msi_remap

2017-01-17 Thread Tomasz Nowicki
On 17.01.2017 14:53, Auger Eric wrote: Hi Tomasz, On 17/01/2017 14:40, Tomasz Nowicki wrote: On 11.01.2017 10:41, Eric Auger wrote: This new function checks whether all MSI irq domains implement IRQ remapping. This is useful to understand whether VFIO passthrough is safe with respect to interr

Re: [PATCH v8 14/18] irqdomain: irq_domain_check_msi_remap

2017-01-17 Thread Auger Eric
Hi Tomasz, On 17/01/2017 14:40, Tomasz Nowicki wrote: > On 11.01.2017 10:41, Eric Auger wrote: >> This new function checks whether all MSI irq domains >> implement IRQ remapping. This is useful to understand >> whether VFIO passthrough is safe with respect to interrupts. >> >> On ARM typically an

Re: [PATCH v8 14/18] irqdomain: irq_domain_check_msi_remap

2017-01-17 Thread Tomasz Nowicki
On 11.01.2017 10:41, Eric Auger wrote: This new function checks whether all MSI irq domains implement IRQ remapping. This is useful to understand whether VFIO passthrough is safe with respect to interrupts. On ARM typically an MSI controller can sit downstream to the IOMMU without preventing VFI

[PATCH v8 14/18] irqdomain: irq_domain_check_msi_remap

2017-01-11 Thread Eric Auger
This new function checks whether all MSI irq domains implement IRQ remapping. This is useful to understand whether VFIO passthrough is safe with respect to interrupts. On ARM typically an MSI controller can sit downstream to the IOMMU without preventing VFIO passthrough. As such any assigned devic