diff --git a/crypto/Kconfig b/crypto/Kconfig
index 4ca0ab3448d..b749a1a46e2 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1,3 +1,9 @@
+#
+# Generic algorithms support
+#
+config XOR_BLOCKS
+	tristate
+
 #
 # Cryptographic API Configuration
 #
diff --git a/crypto/Makefile b/crypto/Makefile
index cce46a1c9dc..68e934b4bee 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -50,3 +50,9 @@ obj-$(CONFIG_CRYPTO_MICHAEL_MIC) += michael_mic.o
 obj-$(CONFIG_CRYPTO_CRC32C) += crc32c.o
 
 obj-$(CONFIG_CRYPTO_TEST) += tcrypt.o
+
+#
+# generic algorithms and the async_tx api
+#
+obj-$(CONFIG_XOR_BLOCKS) += xor.o
+
diff --git a/drivers/md/xor.c b/crypto/xor.c
similarity index 81%
rename from drivers/md/xor.c
rename to crypto/xor.c
index 324897c4be4..8281ac5e68a 100644
--- a/drivers/md/xor.c
+++ b/crypto/xor.c
@@ -26,7 +26,7 @@
 static struct xor_block_template *active_template;
 
 void
-xor_block(unsigned int count, unsigned int bytes, void **ptr)
+xor_blocks(unsigned int count, unsigned int bytes, void **ptr)
 {
 	unsigned long *p0, *p1, *p2, *p3, *p4;
 
@@ -52,6 +52,7 @@ xor_block(unsigned int count, unsigned int bytes, void **ptr)
 	p4 = (unsigned long *) ptr[4];
 	active_template->do_5(bytes, p0, p1, p2, p3, p4);
 }
+EXPORT_SYMBOL(xor_blocks);
 
 /* Set of all registered templates.  */
 static struct xor_block_template *template_list;
@@ -78,7 +79,7 @@ do_xor_speed(struct xor_block_template *tmpl, void *b1, void *b2)
 		now = jiffies;
 		count = 0;
 		while (jiffies == now) {
-			mb();
+			mb(); /* prevent loop optimzation */
 			tmpl->do_2(BENCH_SIZE, b1, b2);
 			mb();
 			count++;
@@ -91,26 +92,26 @@ do_xor_speed(struct xor_block_template *tmpl, void *b1, void *b2)
 	speed = max * (HZ * BENCH_SIZE / 1024);
 	tmpl->speed = speed;
 
-	printk("   %-10s: %5d.%03d MB/sec\n", tmpl->name,
+	printk(KERN_INFO "   %-10s: %5d.%03d MB/sec\n", tmpl->name,
 	       speed / 1000, speed % 1000);
 }
 
-static int
-calibrate_xor_block(void)
+static int __init
+calibrate_xor_blocks(void)
 {
 	void *b1, *b2;
 	struct xor_block_template *f, *fastest;
 
 	b1 = (void *) __get_free_pages(GFP_KERNEL, 2);
-	if (! b1) {
-		printk("raid5: Yikes!  No memory available.\n");
+	if (!b1) {
+		printk(KERN_WARNING "xor: Yikes!  No memory available.\n");
 		return -ENOMEM;
 	}
 	b2 = b1 + 2*PAGE_SIZE + BENCH_SIZE;
 
 	/*
-	 * If this arch/cpu has a short-circuited selection, don't loop through all
-	 * the possible functions, just test the best one
+	 * If this arch/cpu has a short-circuited selection, don't loop through
+	 * all the possible functions, just test the best one
 	 */
 
 	fastest = NULL;
@@ -122,11 +123,12 @@ calibrate_xor_block(void)
 #define xor_speed(templ)	do_xor_speed((templ), b1, b2)
 
 	if (fastest) {
-		printk(KERN_INFO "raid5: automatically using best checksumming function: %s\n",
+		printk(KERN_INFO "xor: automatically using best "
+			"checksumming function: %s\n",
 			fastest->name);
 		xor_speed(fastest);
 	} else {
-		printk(KERN_INFO "raid5: measuring checksumming speed\n");
+		printk(KERN_INFO "xor: measuring checksumming speed\n");
 		XOR_TRY_TEMPLATES;
 		fastest = template_list;
 		for (f = fastest; f; f = f->next)
@@ -134,7 +136,7 @@ calibrate_xor_block(void)
 				fastest = f;
 	}
 
-	printk("raid5: using function: %s (%d.%03d MB/sec)\n",
+	printk(KERN_INFO "xor: using function: %s (%d.%03d MB/sec)\n",
 	       fastest->name, fastest->speed / 1000, fastest->speed % 1000);
 
 #undef xor_speed
@@ -147,8 +149,8 @@ calibrate_xor_block(void)
 
 static __exit void xor_exit(void) { }
 
-EXPORT_SYMBOL(xor_block);
 MODULE_LICENSE("GPL");
 
-module_init(calibrate_xor_block);
+/* when built-in xor.o must initialize before drivers/md/md.o */
+core_initcall(calibrate_xor_blocks);
 module_exit(xor_exit);
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 7df934d6913..24d93d02a1f 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -109,6 +109,7 @@ config MD_RAID10
 config MD_RAID456
 	tristate "RAID-4/RAID-5/RAID-6 mode"
 	depends on BLK_DEV_MD
+	select XOR_BLOCKS
 	---help---
 	  A RAID-5 set of N drives with a capacity of C MB per drive provides
 	  the capacity of C * (N - 1) MB, and protects against a failure
diff --git a/drivers/md/Makefile b/drivers/md/Makefile
index 38754084eac..71eb45f7417 100644
--- a/drivers/md/Makefile
+++ b/drivers/md/Makefile
@@ -17,7 +17,7 @@ raid456-objs	:= raid5.o raid6algos.o raid6recov.o raid6tables.o \
 hostprogs-y	:= mktables
 
 # Note: link order is important.  All raid personalities
-# and xor.o must come before md.o, as they each initialise 
+# and must come before md.o, as they each initialise 
 # themselves, and md.o may use the personalities when it 
 # auto-initialised.
 
@@ -25,7 +25,7 @@ obj-$(CONFIG_MD_LINEAR)		+= linear.o
 obj-$(CONFIG_MD_RAID0)		+= raid0.o
 obj-$(CONFIG_MD_RAID1)		+= raid1.o
 obj-$(CONFIG_MD_RAID10)		+= raid10.o
-obj-$(CONFIG_MD_RAID456)	+= raid456.o xor.o
+obj-$(CONFIG_MD_RAID456)	+= raid456.o
 obj-$(CONFIG_MD_MULTIPATH)	+= multipath.o
 obj-$(CONFIG_MD_FAULTY)		+= faulty.o
 obj-$(CONFIG_BLK_DEV_MD)	+= md-mod.o
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 1c54f3c1cca..33beaa7da08 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5814,7 +5814,7 @@ static __exit void md_exit(void)
 	}
 }
 
-module_init(md_init)
+subsys_initcall(md_init);
 module_exit(md_exit)
 
 static int get_ro(char *buffer, struct kernel_param *kp)
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 061375ee659..5adbe0b2268 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -918,7 +918,7 @@ static void copy_data(int frombio, struct bio *bio,
 
 #define check_xor() 	do { 						\
 			   if (count == MAX_XOR_BLOCKS) {		\
-				xor_block(count, STRIPE_SIZE, ptr);	\
+				xor_blocks(count, STRIPE_SIZE, ptr);	\
 				count = 1;				\
 			   }						\
 			} while(0)
@@ -949,7 +949,7 @@ static void compute_block(struct stripe_head *sh, int dd_idx)
 		check_xor();
 	}
 	if (count != 1)
-		xor_block(count, STRIPE_SIZE, ptr);
+		xor_blocks(count, STRIPE_SIZE, ptr);
 	set_bit(R5_UPTODATE, &sh->dev[dd_idx].flags);
 }
 
@@ -1004,7 +1004,7 @@ static void compute_parity5(struct stripe_head *sh, int method)
 		break;
 	}
 	if (count>1) {
-		xor_block(count, STRIPE_SIZE, ptr);
+		xor_blocks(count, STRIPE_SIZE, ptr);
 		count = 1;
 	}
 	
@@ -1038,7 +1038,7 @@ static void compute_parity5(struct stripe_head *sh, int method)
 			}
 	}
 	if (count != 1)
-		xor_block(count, STRIPE_SIZE, ptr);
+		xor_blocks(count, STRIPE_SIZE, ptr);
 	
 	if (method != CHECK_PARITY) {
 		set_bit(R5_UPTODATE, &sh->dev[pd_idx].flags);
@@ -1160,7 +1160,7 @@ static void compute_block_1(struct stripe_head *sh, int dd_idx, int nozero)
 			check_xor();
 		}
 		if (count != 1)
-			xor_block(count, STRIPE_SIZE, ptr);
+			xor_blocks(count, STRIPE_SIZE, ptr);
 		if (!nozero) set_bit(R5_UPTODATE, &sh->dev[dd_idx].flags);
 		else clear_bit(R5_UPTODATE, &sh->dev[dd_idx].flags);
 	}
diff --git a/include/linux/raid/xor.h b/include/linux/raid/xor.h
index f0d67cbdea4..7d6c20b654f 100644
--- a/include/linux/raid/xor.h
+++ b/include/linux/raid/xor.h
@@ -5,7 +5,7 @@
 
 #define MAX_XOR_BLOCKS 5
 
-extern void xor_block(unsigned int count, unsigned int bytes, void **ptr);
+extern void xor_blocks(unsigned int count, unsigned int bytes, void **ptr);
 
 struct xor_block_template {
         struct xor_block_template *next;