---

yaml --- r: 131566 b: refs/heads/master c: 39d481c h: refs/heads/master v: v3
git-mirror · Feb 19, 2009 · 733dad0 · 733dad0
1 parent 996e029
commit 733dad0
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Showing 3 changed files with 6 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 334f85b647bc46ff4d27ace55aa65f44d6a2f4db
+refs/heads/master: 39d481cba27809598e755e184bc0d8ae1d22423e
diff --git a/trunk/arch/ia64/include/asm/sn/bte.h b/trunk/arch/ia64/include/asm/sn/bte.h
@@ -39,7 +39,7 @@
 /* BTE status register only supports 16 bits for length field */
 #define BTE_LEN_BITS (16)
 #define BTE_LEN_MASK ((1 << BTE_LEN_BITS) - 1)
-#define BTE_MAX_XFER ((1 << BTE_LEN_BITS) * L1_CACHE_BYTES)
+#define BTE_MAX_XFER (BTE_LEN_MASK << L1_CACHE_SHIFT)
 
 
 /* Define hardware */

diff --git a/trunk/arch/ia64/sn/kernel/bte.c b/trunk/arch/ia64/sn/kernel/bte.c
@@ -97,9 +97,10 @@ bte_result_t bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
 		return BTE_SUCCESS;
 	}
 
-	BUG_ON((len & L1_CACHE_MASK) ||
-		 (src & L1_CACHE_MASK) || (dest & L1_CACHE_MASK));
-	BUG_ON(!(len < ((BTE_LEN_MASK + 1) << L1_CACHE_SHIFT)));
+	BUG_ON(len & L1_CACHE_MASK);
+	BUG_ON(src & L1_CACHE_MASK);
+	BUG_ON(dest & L1_CACHE_MASK);
+	BUG_ON(len > BTE_MAX_XFER);
 
 	/*
 	 * Start with interface corresponding to cpu number