On Mon, May 06, 2019 at 12:44:40PM -0400, Qian Cai wrote:
> The commit 1a1079011da3 ("iommu/amd: Flush not present cache in
> iommu_map_page")
That patch was reverted by me in
97a18f548548a6ee1b9be14c6fc72090b8839875
because it caused issues by testers. So maybe re-submit the above patc
Hi Joerg,
Is there anything I need to do to get this patch into linux-next? My
patch to convert the amd iommu driver to use the dma-iommu ops depends
on this patch.
Thanks,
Tom
On Tue, May 7, 2019 at 8:39 AM Joerg Roedel wrote:
>
> Hi Qian,
>
> On Mon, May 06, 2019 at 12:44:40PM -0400, Qian Cai
Hi Qian,
On Mon, May 06, 2019 at 12:44:40PM -0400, Qian Cai wrote:
> The commit 1a1079011da3 ("iommu/amd: Flush not present cache in
> iommu_map_page") added domain_flush_np_cache() in map_sg() which
> triggered a crash below during boot. sg_next() could return NULL if
> sg_is_last() is true, so a
The commit 1a1079011da3 ("iommu/amd: Flush not present cache in
iommu_map_page") added domain_flush_np_cache() in map_sg() which
triggered a crash below during boot. sg_next() could return NULL if
sg_is_last() is true, so after for_each_sg(sglist, s, nelems, i), "s"
could be NULL which ends up defe