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Diffstat (limited to 'Documentation/arm64/booting.rst')
| -rw-r--r-- | Documentation/arm64/booting.rst | 5 |
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: |