ARM: allow alignment fault mode to be configured at kernel boot

[firefly-linux-kernel-4.4.55.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 826b6e1483166d499ed9de7c2240dc35eb7d990a..e7848a0d99ebc8b04e9df1346a424827c31234cc 100644 (file)
--- 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: