On Wed, May 15, 2019 at 12:08:45PM +0000, Pascal Van Leeuwen wrote: > Hi Christophe, > > I ran into a similar issue with the Inside Secure driver. > > If I understood correctly, scatter buffers do not need to be enclosed in a single page as long as the scatter buffer as a whole is contiguous in memory. So it can be multiple pages, but then they have to be back-to-back in physical/device memory. > > The latter should be guaranteed by the kernel allocator. Yes this is correct. Thanks, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
