Re: [PATCH v5 13/17] irqdomain: irq_domain_check_msi_remap

2017-01-06 Thread Marc Zyngier
vger.kernel.org; geethasowjanya.ak...@gmail.com; Diana >> Madalina Craciun ; iommu@lists.linux- >> foundation.org; pranav.sawargaon...@gmail.com; Bharat Bhushan >> ; shank...@codeaurora.org; >> gpkulka...@gmail.com >> Subject: Re: [PATCH v5 13/17] irqdomain: irq_domain_che

Re: [PATCH v5 13/17] irqdomain: irq_domain_check_msi_remap

2017-01-06 Thread Auger Eric
inux-ker...@vger.kernel.org; geethasowjanya.ak...@gmail.com; Diana >> Madalina Craciun ; iommu@lists.linux- >> foundation.org; pranav.sawargaon...@gmail.com; Bharat Bhushan >> ; shank...@codeaurora.org; >> gpkulka...@gmail.com >> Subject: Re: [PATCH v5 13/17] irqdomain: ir

RE: [PATCH v5 13/17] irqdomain: irq_domain_check_msi_remap

2017-01-05 Thread Bharat Bhushan
mmu@lists.linux- > foundation.org; pranav.sawargaon...@gmail.com; Bharat Bhushan > ; shank...@codeaurora.org; > gpkulka...@gmail.com > Subject: Re: [PATCH v5 13/17] irqdomain: irq_domain_check_msi_remap > > Hi Marc, > > On 05/01/2017 12:57, Marc Zyngier wrote: > > On 05/01/17 11:29

Re: [PATCH v5 13/17] irqdomain: irq_domain_check_msi_remap

2017-01-05 Thread Auger Eric
Hi Marc, On 05/01/2017 12:57, Marc Zyngier wrote: > On 05/01/17 11:29, Auger Eric wrote: >> Hi Marc, >> >> On 05/01/2017 12:25, Marc Zyngier wrote: >>> On 05/01/17 10:45, Auger Eric wrote: Hi Marc, On 04/01/2017 16:27, Marc Zyngier wrote: > On 04/01/17 14:11, Auger Eric wrote: >

Re: [PATCH v5 13/17] irqdomain: irq_domain_check_msi_remap

2017-01-05 Thread Marc Zyngier
On 05/01/17 11:29, Auger Eric wrote: > Hi Marc, > > On 05/01/2017 12:25, Marc Zyngier wrote: >> On 05/01/17 10:45, Auger Eric wrote: >>> Hi Marc, >>> >>> On 04/01/2017 16:27, Marc Zyngier wrote: On 04/01/17 14:11, Auger Eric wrote: > Hi Marc, > > On 04/01/2017 14:46, Marc Zyngier

Re: [PATCH v5 13/17] irqdomain: irq_domain_check_msi_remap

2017-01-05 Thread Auger Eric
Hi Marc, On 05/01/2017 12:25, Marc Zyngier wrote: > On 05/01/17 10:45, Auger Eric wrote: >> Hi Marc, >> >> On 04/01/2017 16:27, Marc Zyngier wrote: >>> On 04/01/17 14:11, Auger Eric wrote: Hi Marc, On 04/01/2017 14:46, Marc Zyngier wrote: > Hi Eric, > > On 04/01/17 13:32

Re: [PATCH v5 13/17] irqdomain: irq_domain_check_msi_remap

2017-01-05 Thread Marc Zyngier
On 05/01/17 10:45, Auger Eric wrote: > Hi Marc, > > On 04/01/2017 16:27, Marc Zyngier wrote: >> On 04/01/17 14:11, Auger Eric wrote: >>> Hi Marc, >>> >>> On 04/01/2017 14:46, Marc Zyngier wrote: Hi Eric, On 04/01/17 13:32, Eric Auger wrote: > This new function checks whether all

Re: [PATCH v5 13/17] irqdomain: irq_domain_check_msi_remap

2017-01-05 Thread Auger Eric
Hi Marc, On 04/01/2017 16:27, Marc Zyngier wrote: > On 04/01/17 14:11, Auger Eric wrote: >> Hi Marc, >> >> On 04/01/2017 14:46, Marc Zyngier wrote: >>> Hi Eric, >>> >>> On 04/01/17 13:32, Eric Auger wrote: This new function checks whether all platform and PCI MSI domains implement IRQ re

Re: [PATCH v5 13/17] irqdomain: irq_domain_check_msi_remap

2017-01-04 Thread kbuild test robot
Hi Eric, [auto build test ERROR on linus/master] [also build test ERROR on v4.10-rc2 next-20170105] [cannot apply to iommu/next] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Eric-Auger/KVM-PCI

Re: [PATCH v5 13/17] irqdomain: irq_domain_check_msi_remap

2017-01-04 Thread Auger Eric
Hi Marc, On 04/01/2017 16:27, Marc Zyngier wrote: > On 04/01/17 14:11, Auger Eric wrote: >> Hi Marc, >> >> On 04/01/2017 14:46, Marc Zyngier wrote: >>> Hi Eric, >>> >>> On 04/01/17 13:32, Eric Auger wrote: This new function checks whether all platform and PCI MSI domains implement IRQ re

Re: [PATCH v5 13/17] irqdomain: irq_domain_check_msi_remap

2017-01-04 Thread Marc Zyngier
On 04/01/17 14:11, Auger Eric wrote: > Hi Marc, > > On 04/01/2017 14:46, Marc Zyngier wrote: >> Hi Eric, >> >> On 04/01/17 13:32, Eric Auger wrote: >>> This new function checks whether all platform and PCI >>> MSI domains implement IRQ remapping. This is useful to >>> understand whether VFIO passt

Re: [PATCH v5 13/17] irqdomain: irq_domain_check_msi_remap

2017-01-04 Thread Auger Eric
Hi Marc, On 04/01/2017 14:46, Marc Zyngier wrote: > Hi Eric, > > On 04/01/17 13:32, Eric Auger wrote: >> This new function checks whether all platform and PCI >> MSI domains implement IRQ remapping. This is useful to >> understand whether VFIO passthrough is safe with respect >> to interrupts. >>

Re: [PATCH v5 13/17] irqdomain: irq_domain_check_msi_remap

2017-01-04 Thread Marc Zyngier
Hi Eric, On 04/01/17 13:32, Eric Auger wrote: > This new function checks whether all platform and PCI > MSI 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

[PATCH v5 13/17] irqdomain: irq_domain_check_msi_remap

2017-01-04 Thread Eric Auger
This new function checks whether all platform and PCI MSI 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 a