arm64: Do not set the SMP/nAMP processor bit
If such bit exists on a given CPU, it must be set by the firmware or
boot-loader prior to starting the kernel (see
Documentation/arm64/booting.txt).
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index 720aa0b..f1d8b9b 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -108,17 +108,6 @@
* value of the SCTLR_EL1 register.
*/
ENTRY(__cpu_setup)
-#ifdef CONFIG_SMP
- /* TODO: only do this for certain CPUs */
- /*
- * Enable SMP/nAMP mode.
- */
- mrs x0, actlr_el1
- tbnz x0, #6, 1f // already enabled?
- orr x0, x0, #1 << 6
- msr actlr_el1, x0
-1:
-#endif
/*
* Preserve the link register across the function call.
*/
