[lkml]   [2018]   [Sep]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 1/1] iommu/vt-d: Handle memory shortage on pasid table allocation
On Sat, Sep 01, 2018 at 02:24:16PM +0800, Lu Baolu wrote:
> Pasid table memory allocation could return failure due to memory
> shortage. Limit the pasid table size to 1MiB because current 8MiB
> contiguous physical memory allocation can be hard to come by. W/o
> a PASID table, the device could continue to work with only shared
> virtual memory impacted. So, let's go ahead with context mapping
> even the memory allocation for pasid table failed.
> Fixes: cc580e41260d ("iommu/vt-d: Per PCI device pasid table interfaces")
> Cc: Ashok Raj <>
> Cc: Jacob Pan <>
> Cc: Mika Westerberg <>

This fixes the issue I was seeing, thanks!

Tested-by: Mika Westerberg <>

 \ /
  Last update: 2018-09-03 15:15    [W:0.213 / U:23.204 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site