On Fri, May 15, 2015 at 04:09:54PM +0900, Alexandre Courbot wrote: > dma_alloc_coherent() can return memory in the vmalloc range. > virt_to_page() cannot handle such addresses and crashes. This > patch detects such cases and obtains the struct page * using > vmalloc_to_page() instead. > > Signed-off-by: Alexandre Courbot <acourbot at nvidia.com> > --- > This patch is a follow-up of the following discussion: > > https://www.marc.info/?l=dri-devel&m=141579595431254&w=3 > > It works for me on both 32-bit and 64-bit Tegra, so I am not convinced > that Thierry's initial change from virt_to_page() to phys_to_page() is > still required - Thierry, can you confirm whether your patch is still > relevant after this one?
If this works for you on both 32-bit and 64-bit Tegra I don't think the earlier patch is still relevant and this looks indeed like a much more appropriate solution. Thierry -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 819 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20150515/6858cad3/attachment.sig>