Re: [Intel-gfx] [PATCH 7/7] iommu/vt-d: Implement page request handling

On Fri, Oct 09, 2015 at 12:54:07AM +0100, David Woodhouse wrote: > Signed-off-by: David Woodhouse > --- > drivers/iommu/intel-svm.c | 115 > +++- > include/linux/intel-iommu.h | 21 > 2 files changed, 134 insertions(+), 2 deletions(-) > > diff

Re: [Intel-gfx] [PATCH 0/7] Enable SVM for Intel VT-d

On Fri, 2015-10-09 at 00:50 +0100, David Woodhouse wrote: > This patch set enables PASID support for the Intel IOMMU, along with > page request support. > > Like its AMD counterpart, it exposes an IOMMU-specific API. I believe > we'll have a session at the Kernel Summit later this month in which w

[Intel-gfx] 4.2-rc4 kernel warnings on HSW laptop

Hi, I noticed that a HSW laptop gets a few new warnings since 4.2-rc kernels. One error messages pops at each boot time: Console: switching to colour dummy device 80x25 [drm] Replacing VGA console driver [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [drm] Driver supports precis

[Intel-gfx] [PATCH] drm/i915: Hold dev->event_lock whilst inspecting intel_crtc->unpin_work

We should serialise access to the intel_crtc->unpin_work through the dev->event_lock spinlock. It should not be possible for it to disappear without severe error as the mmio_flip worker has not tagged the unpin_work pending flip-completion. Similarly if the error exists, just taking the unpin_work