Messages in this thread | | | Date | Thu, 17 Sep 2015 17:32:13 -0400 | From | Sowmini Varadhan <> | Subject | Re: [PATCH] iommu-common: Do not try to deref a null iommu->lazy_flush() pointer when n < pool->hint |
| |
On (09/17/15 14:26), Andrew Morton wrote: > Patch looks good. > > But I don't know which kernel versions need the fix. So, when fixing a > bug please always describe the end-user visible effects of that bug. > Under what circumstances did your kernel crash? >
I had a sparc kernel that was crashing when I was trying to process some very large perf.data files- the crash happens when the scsi driver calls into dma_4v_map_sg and thus the iommu_tbl_range_alloc().
Do you need me to respin the patch with the above info in the commit id?
--Sowmini
| |