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authorCatalin Marinas <catalin.marinas@arm.com>2012-09-24 18:06:16 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2012-09-24 18:10:29 +0100
commit0d0109a440ea211e398118752c26d4bad540e604 (patch)
tree3d5dfec668248d94b232474d2d3f4dba8615fa21 /arch/arm64/mm
parent38074229de4774597ea09315ae78a550cada5ba6 (diff)
downloadlinux-0d0109a440ea211e398118752c26d4bad540e604.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>
Diffstat (limited to 'arch/arm64/mm')
-rw-r--r--arch/arm64/mm/proc.S11
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.
*/