---

yaml --- r: 180696 b: refs/heads/master c: d944d54 h: refs/heads/master v: v3
git-mirror · Feb 20, 2010 · f2ee8aa · f2ee8aa
1 parent 9c774ac
commit f2ee8aa
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Showing 3 changed files with 9 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0fa11802e0dcbd4e211a9310500bf52d701b9c1b
+refs/heads/master: d944d549aa86e08cba080396513234cf048fee1f
diff --git a/trunk/Documentation/kernel-parameters.txt b/trunk/Documentation/kernel-parameters.txt
@@ -315,6 +315,11 @@ and is between 256 and 4096 characters. It is defined in the file
 	aic79xx=	[HW,SCSI]
 			See Documentation/scsi/aic79xx.txt.
 
+	alignment=	[KNL,ARM]
+			Allow the default userspace alignment fault handler
+			behaviour to be specified.  Bit 0 enables warnings,
+			bit 1 enables fixups, and bit 2 sends a segfault.
+
 	amd_iommu=	[HW,X86-84]
 			Pass parameters to the AMD IOMMU driver in the system.
 			Possible values are:

diff --git a/trunk/arch/arm/mm/alignment.c b/trunk/arch/arm/mm/alignment.c
@@ -11,6 +11,7 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
+#include <linux/moduleparam.h>
 #include <linux/compiler.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
@@ -77,6 +78,8 @@ static unsigned long ai_dword;
 static unsigned long ai_multi;
 static int ai_usermode;
 
+core_param(alignment, ai_usermode, int, 0600);
+
 #define UM_WARN		(1 << 0)
 #define UM_FIXUP	(1 << 1)
 #define UM_SIGNAL	(1 << 2)