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07d58e0a60
Since the physical address support in skcipher_walk is not used anymore, remove all the code associated with it. This includes: - The skcipher_walk_async() and skcipher_walk_complete() functions; - The SKCIPHER_WALK_PHYS flag and everything conditional on it; - The buffers, phys, and virt.page fields in struct skcipher_walk; - struct skcipher_walk_buffer. As a result, skcipher_walk now just supports virtual addresses. Physical address support in skcipher_walk is unneeded because drivers that need physical addresses just use the scatterlists directly. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>