On Mon, Jul 16, 2018 at 5:59 AM, Kees Cook <keescook@xxxxxxxxxxxx> wrote: > In preparing to remove all stack VLA usage from the kernel[1], this > removes the discouraged use of AHASH_REQUEST_ON_STACK in favor of > the smaller SHASH_DESC_ON_STACK by converting from ahash-wrapped-shash > to direct shash. The stack allocation will be made a fixed size in a > later patch to the crypto subsystem. > > [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@xxxxxxxxxxxxxx > > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> This looks very nice, it should also make the operation more efficient in the process by removing one indirection layer. Arnd -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
