diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv8/Kconfig | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm/cpu/armv8/Kconfig b/arch/arm/cpu/armv8/Kconfig index 0b3d98ef2a..0188b95e99 100644 --- a/arch/arm/cpu/armv8/Kconfig +++ b/arch/arm/cpu/armv8/Kconfig @@ -30,8 +30,10 @@ config ARMV8_SPIN_TABLE To use this feature, you must do: - Specify enable-method = "spin-table" in each CPU node in the Device Tree you are using to boot the kernel - - Let secondary CPUs in U-Boot (in a board specific manner) - before the master CPU jumps to the kernel + - Bring secondary CPUs into U-Boot proper in a board specific + manner. This must be done *after* relocation. Otherwise, the + secondary CPUs will spin in unprotected memory area because the + master CPU protects the relocated spin code. U-Boot automatically does: - Set "cpu-release-addr" property of each CPU node |