diff options
| -rw-r--r-- | crypto/ahash.c | 4 | ||||
| -rw-r--r-- | crypto/async_tx/async_memcpy.c | 8 | ||||
| -rw-r--r-- | crypto/blkcipher.c | 8 | ||||
| -rw-r--r-- | crypto/ccm.c | 4 | ||||
| -rw-r--r-- | crypto/scatterwalk.c | 8 | ||||
| -rw-r--r-- | crypto/shash.c | 8 | ||||
| -rw-r--r-- | include/crypto/scatterwalk.h | 28 |
7 files changed, 23 insertions, 45 deletions
diff --git a/crypto/ahash.c b/crypto/ahash.c index ac93c99cfae8..33bc9b62e9ae 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -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) diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c index 0d5a90ca6501..361b5e8239bc 100644 --- a/crypto/async_tx/async_memcpy.c +++ b/crypto/async_tx/async_memcpy.c @@ -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); } diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c index 1e61d1a888b2..4dd80c725498 100644 --- a/crypto/blkcipher.c +++ b/crypto/blkcipher.c @@ -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. diff --git a/crypto/ccm.c b/crypto/ccm.c index c36d654cf56a..32fe1bb5decb 100644 --- a/crypto/ccm.c +++ b/crypto/ccm.c @@ -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) diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c index 41e529af0773..7281b8a93ad3 100644 --- a/crypto/scatterwalk.c +++ b/crypto/scatterwalk.c @@ -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); diff --git a/crypto/shash.c b/crypto/shash.c index 9100912716ae..21fc12e2378f 100644 --- a/crypto/shash.c +++ b/crypto/shash.c @@ -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; } diff --git a/include/crypto/scatterwalk.h b/include/crypto/scatterwalk.h index 4fd95a323beb..3744d2a642df 100644 --- a/include/crypto/scatterwalk.h +++ b/include/crypto/scatterwalk.h @@ -25,28 +25,6 @@ #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, |