Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=70dec235d8ac8cfb56ed2a3597e7d6c5b801f018
Commit: 70dec235d8ac8cfb56ed2a3597e7d6c5b801f018
Parent: 3c09f17c3d11f3e98928f55b600e6de22f58017a
Author: Herbert Xu <[EMAIL PROTECTED]>
AuthorDate: Sat Sep 1 16:52:13 2007 +0800
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Wed Oct 10 16:55:44 2007 -0700
[CRYPTO] api: Kill crypto_km_types
When scatterwalk is built as a module digest.c was broken because it
requires the crypto_km_types structure which is in scatterwalk. This
patch removes the crypto_km_types structure by encoding the logic into
crypto_kmap_type directly.
In fact, this even saves a few bytes of code (not to mention the data
structure itself) on i386 which is about the only place where it's
needed.
Signed-off-by: Herbert Xu <[EMAIL PROTECTED]>
---
crypto/internal.h | 11 ++++++++---
crypto/scatterwalk.c | 8 --------
2 files changed, 8 insertions(+), 11 deletions(-)
diff --git a/crypto/internal.h b/crypto/internal.h
index 60acad9..abb01f7 100644
--- a/crypto/internal.h
+++ b/crypto/internal.h
@@ -50,11 +50,16 @@ extern struct list_head crypto_alg_list;
extern struct rw_semaphore crypto_alg_sem;
extern struct blocking_notifier_head crypto_chain;
-extern enum km_type crypto_km_types[];
-
static inline enum km_type crypto_kmap_type(int out)
{
- return crypto_km_types[(in_softirq() ? 2 : 0) + 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)
diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c
index e93a8f6..3052f65 100644
--- a/crypto/scatterwalk.c
+++ b/crypto/scatterwalk.c
@@ -23,14 +23,6 @@
#include "internal.h"
#include "scatterwalk.h"
-enum km_type crypto_km_types[] = {
- KM_USER0,
- KM_USER1,
- KM_SOFTIRQ0,
- KM_SOFTIRQ1,
-};
-EXPORT_SYMBOL_GPL(crypto_km_types);
-
static inline void memcpy_dir(void *buf, void *sgdata, size_t nbytes, int out)
{
void *src = out ? buf : sgdata;
-
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