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| author | Catalin Marinas <catalin.marinas@arm.com> | 2012-09-24 18:06:16 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2012-09-24 18:09:21 +0100 |
| commit | 297a73e603dbe53027bd2ef823bd9636cd7200fb (patch) | |
| tree | 3d5dfec668248d94b232474d2d3f4dba8615fa21 | |
| parent | c74d12b35b4bd4f6ad29059a1ee2bd99410d233c (diff) | |
| download | linux-aarch64-297a73e603dbe53027bd2ef823bd9636cd7200fb.tar.gz | |
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>
| -rw-r--r-- | arch/arm64/mm/proc.S | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S index 720aa0b3bee..f1d8b9bbfda 100644 --- a/arch/arm64/mm/proc.S +++ b/arch/arm64/mm/proc.S @@ -108,17 +108,6 @@ cpu_name: * 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. */ |