Re: [PATCH 1/2] iommu/amd: Add align parameter to alloc_irq_index()

2017-10-08 Thread Thomas Gleixner
On Fri, 6 Oct 2017, Joerg Roedel wrote: > From: Joerg Roedel > > For multi-MSI IRQ ranges the IRQ index needs to be aligned > to the power-of-two of the requested IRQ count. Extend the > alloc_irq_index() function to allow such an allocation. > > Reported-by: Thomas Gleixner > Fixes: 2b3245063

[PATCH 1/2] iommu/amd: Add align parameter to alloc_irq_index()

2017-10-06 Thread Joerg Roedel
From: Joerg Roedel For multi-MSI IRQ ranges the IRQ index needs to be aligned to the power-of-two of the requested IRQ count. Extend the alloc_irq_index() function to allow such an allocation. Reported-by: Thomas Gleixner Fixes: 2b324506341cb ('iommu/amd: Add routines to manage irq remapping ta