RE: [v7 4/8] iommu, x86: No need to migrating irq for VT-d Posted-Interrupts

2015-05-25 Thread Wu, Feng
> -Original Message- > From: Thomas Gleixner [mailto:t...@linutronix.de] > Sent: Monday, May 25, 2015 4:38 PM > To: Wu, Feng > Cc: j...@8bytes.org; dw...@infradead.org; jiang@linux.intel.com; > iommu@lists.linux-foundation.org; linux-ker...@vger.kernel.org > Subject: Re: [v7 4/8] iomm

Re: [v7 4/8] iommu, x86: No need to migrating irq for VT-d Posted-Interrupts

2015-05-25 Thread Thomas Gleixner
On Mon, 25 May 2015, Feng Wu wrote: > We don't need to migrate the irqs for VT-d Posted-Interrupts here. > When 'pst' is set in IRTE, the associated irq will be posted to > guests instead of interrupt remapping. The destination of the > interrupt is set in Posted-Interrupts Descriptor, and the mig

Re: [PATCH v2 5/6] iommu/mediatek: Add mt8173 IOMMU driver

2015-05-25 Thread Tomasz Figa
Hi, Please see my comments inline. On Fri, May 15, 2015 at 6:43 PM, Yong Wu wrote: [snip] > + > +struct mtk_iommu_info { > + void __iomem*base; > + int irq; > + struct device *dev; > + struct device *larbdev[MTK_IOMMU_LA

Re: [PATCH v7 03/25] iommu: Init iommu-groups support earlier, in core_initcall

2015-05-25 Thread Marek Szyprowski
Hello, On 2015-05-23 18:23, Laurent Pinchart wrote: Hi Marek, Thank you for the patch. On Tuesday 19 May 2015 15:20:23 Marek Szyprowski wrote: iommu_group_alloc might be called very early in case of iommu controllers activated from of_iommu, so ensure that this part of subsystem is ready when