crypto: remove the second argument of k[un]map_atomic()
Cong Wang [Fri, 25 Nov 2011 15:14:17 +0000 (23:14 +0800)]
Signed-off-by: Cong Wang <amwang@redhat.com>

crypto/ahash.c
crypto/async_tx/async_memcpy.c
crypto/blkcipher.c
crypto/ccm.c
crypto/scatterwalk.c
crypto/shash.c
include/crypto/scatterwalk.h

index ac93c99..33bc9b6 100644 (file)
@@ -46,7 +46,7 @@ static int hash_walk_next(struct crypto_hash_walk *walk)
        unsigned int nbytes = min(walk->entrylen,
                                  ((unsigned int)(PAGE_SIZE)) - offset);
 
-       walk->data = crypto_kmap(walk->pg, 0);
+       walk->data = kmap_atomic(walk->pg);
        walk->data += offset;
 
        if (offset & alignmask) {
@@ -93,7 +93,7 @@ int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err)
                return nbytes;
        }
 
-       crypto_kunmap(walk->data, 0);
+       kunmap_atomic(walk->data);
        crypto_yield(walk->flags);
 
        if (err)
index 0d5a90c..361b5e8 100644 (file)
@@ -79,13 +79,13 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset,
                /* wait for any prerequisite operations */
                async_tx_quiesce(&submit->depend_tx);
 
-               dest_buf = kmap_atomic(dest, KM_USER0) + dest_offset;
-               src_buf = kmap_atomic(src, KM_USER1) + src_offset;
+               dest_buf = kmap_atomic(dest) + dest_offset;
+               src_buf = kmap_atomic(src) + src_offset;
 
                memcpy(dest_buf, src_buf, len);
 
-               kunmap_atomic(src_buf, KM_USER1);
-               kunmap_atomic(dest_buf, KM_USER0);
+               kunmap_atomic(src_buf);
+               kunmap_atomic(dest_buf);
 
                async_tx_sync_epilog(submit);
        }
index 1e61d1a..4dd80c7 100644 (file)
@@ -43,22 +43,22 @@ static int blkcipher_walk_first(struct blkcipher_desc *desc,
 
 static inline void blkcipher_map_src(struct blkcipher_walk *walk)
 {
-       walk->src.virt.addr = scatterwalk_map(&walk->in, 0);
+       walk->src.virt.addr = scatterwalk_map(&walk->in);
 }
 
 static inline void blkcipher_map_dst(struct blkcipher_walk *walk)
 {
-       walk->dst.virt.addr = scatterwalk_map(&walk->out, 1);
+       walk->dst.virt.addr = scatterwalk_map(&walk->out);
 }
 
 static inline void blkcipher_unmap_src(struct blkcipher_walk *walk)
 {
-       scatterwalk_unmap(walk->src.virt.addr, 0);
+       scatterwalk_unmap(walk->src.virt.addr);
 }
 
 static inline void blkcipher_unmap_dst(struct blkcipher_walk *walk)
 {
-       scatterwalk_unmap(walk->dst.virt.addr, 1);
+       scatterwalk_unmap(walk->dst.virt.addr);
 }
 
 /* Get a spot of the specified length that does not straddle a page.
index c36d654..32fe1bb 100644 (file)
@@ -216,12 +216,12 @@ static void get_data_to_compute(struct crypto_cipher *tfm,
                        scatterwalk_start(&walk, sg_next(walk.sg));
                        n = scatterwalk_clamp(&walk, len);
                }
-               data_src = scatterwalk_map(&walk, 0);
+               data_src = scatterwalk_map(&walk);
 
                compute_mac(tfm, data_src, n, pctx);
                len -= n;
 
-               scatterwalk_unmap(data_src, 0);
+               scatterwalk_unmap(data_src);
                scatterwalk_advance(&walk, n);
                scatterwalk_done(&walk, 0, len);
                if (len)
index 41e529a..7281b8a 100644 (file)
@@ -40,9 +40,9 @@ void scatterwalk_start(struct scatter_walk *walk, struct scatterlist *sg)
 }
 EXPORT_SYMBOL_GPL(scatterwalk_start);
 
-void *scatterwalk_map(struct scatter_walk *walk, int out)
+void *scatterwalk_map(struct scatter_walk *walk)
 {
-       return crypto_kmap(scatterwalk_page(walk), out) +
+       return kmap_atomic(scatterwalk_page(walk)) +
               offset_in_page(walk->offset);
 }
 EXPORT_SYMBOL_GPL(scatterwalk_map);
@@ -83,9 +83,9 @@ void scatterwalk_copychunks(void *buf, struct scatter_walk *walk,
                if (len_this_page > nbytes)
                        len_this_page = nbytes;
 
-               vaddr = scatterwalk_map(walk, out);
+               vaddr = scatterwalk_map(walk);
                memcpy_dir(buf, vaddr, len_this_page, out);
-               scatterwalk_unmap(vaddr, out);
+               scatterwalk_unmap(vaddr);
 
                scatterwalk_advance(walk, len_this_page);
 
index 9100912..21fc12e 100644 (file)
@@ -281,10 +281,10 @@ int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc)
        if (nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset)) {
                void *data;
 
-               data = crypto_kmap(sg_page(sg), 0);
+               data = kmap_atomic(sg_page(sg));
                err = crypto_shash_digest(desc, data + offset, nbytes,
                                          req->result);
-               crypto_kunmap(data, 0);
+               kunmap_atomic(data);
                crypto_yield(desc->flags);
        } else
                err = crypto_shash_init(desc) ?:
@@ -420,9 +420,9 @@ static int shash_compat_digest(struct hash_desc *hdesc, struct scatterlist *sg,
 
                desc->flags = hdesc->flags;
 
-               data = crypto_kmap(sg_page(sg), 0);
+               data = kmap_atomic(sg_page(sg));
                err = crypto_shash_digest(desc, data + offset, nbytes, out);
-               crypto_kunmap(data, 0);
+               kunmap_atomic(data);
                crypto_yield(desc->flags);
                goto out;
        }
index 4fd95a3..3744d2a 100644 (file)
 #include <linux/scatterlist.h>
 #include <linux/sched.h>
 
-static inline enum km_type crypto_kmap_type(int out)
-{
-       enum km_type type;
-
-       if (in_softirq())
-               type = out * (KM_SOFTIRQ1 - KM_SOFTIRQ0) + KM_SOFTIRQ0;
-       else
-               type = out * (KM_USER1 - KM_USER0) + KM_USER0;
-
-       return type;
-}
-
-static inline void *crypto_kmap(struct page *page, int out)
-{
-       return kmap_atomic(page, crypto_kmap_type(out));
-}
-
-static inline void crypto_kunmap(void *vaddr, int out)
-{
-       kunmap_atomic(vaddr, crypto_kmap_type(out));
-}
-
 static inline void crypto_yield(u32 flags)
 {
        if (flags & CRYPTO_TFM_REQ_MAY_SLEEP)
@@ -121,15 +99,15 @@ static inline struct page *scatterwalk_page(struct scatter_walk *walk)
        return sg_page(walk->sg) + (walk->offset >> PAGE_SHIFT);
 }
 
-static inline void scatterwalk_unmap(void *vaddr, int out)
+static inline void scatterwalk_unmap(void *vaddr)
 {
-       crypto_kunmap(vaddr, out);
+       kunmap_atomic(vaddr);
 }
 
 void scatterwalk_start(struct scatter_walk *walk, struct scatterlist *sg);
 void scatterwalk_copychunks(void *buf, struct scatter_walk *walk,
                            size_t nbytes, int out);
-void *scatterwalk_map(struct scatter_walk *walk, int out);
+void *scatterwalk_map(struct scatter_walk *walk);
 void scatterwalk_done(struct scatter_walk *walk, int out, int more);
 
 void scatterwalk_map_and_copy(void *buf, struct scatterlist *sg,