diff options
| -rw-r--r-- | Documentation/kernel-parameters.txt | 5 | ||||
| -rw-r--r-- | arch/arm/mm/alignment.c | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 826b6e148316..e7848a0d99eb 100644 --- a/Documentation/kernel-parameters.txt +++ b/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/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c index b270d6228fe2..62820eda84d9 100644 --- a/arch/arm/mm/alignment.c +++ b/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) |