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-rw-r--r--Documentation/arm64/booting.rst5
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/arm64/booting.rst b/Documentation/arm64/booting.rst
index 4fcc00add117..b21049ab6c69 100644
--- a/Documentation/arm64/booting.rst
+++ b/Documentation/arm64/booting.rst
@@ -279,7 +279,10 @@ Before jumping into the kernel, the following conditions must be met:
The requirements described above for CPU mode, caches, MMUs, architected
timers, coherency and system registers apply to all CPUs. All CPUs must
-enter the kernel in the same exception level.
+enter the kernel in the same exception level. Where the values documented
+disable traps it is permissible for these traps to be enabled so long as
+those traps are handled transparently by higher exception levels as though
+the values documented were set.
The boot loader is expected to enter the kernel on each CPU in the
following manner: