Re: [Patch] iommu/vt-d: fix bug in handling multiple RMRRs for the same PCI device
Joerg Roedel <[email protected]>
| Newsgroups | org.kernel.vger.linux-hotplug,dev.linux.lists.iommu,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pci |
|---|---|
| Message-ID | <[email protected]> |
On Fri, Jun 20, 2014 at 03:08:06PM +0800, Jiang Liu wrote: > Function dmar_iommu_notify_scope_dev() makes a wrong assumption that > there's one RMRR for each PCI device at most, which causes DMA failure > on some HP platforms. So enhance dmar_iommu_notify_scope_dev() to > handle multiple RMRRs for the same PCI device. > > Fixbug: https://bugzilla.novell.com/show_bug.cgi?id‡9482 > > Cc: <[email protected]> # 3.15 > Reported-by: Tom Mingarelli <[email protected]> > Tested-by: Linda Knippers <[email protected]> > Signed-off-by: Jiang Liu <[email protected]> Applied to iommu/fixes, thans Jiang.