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[Xen-devel] [PATCH 4/4] xen/arm: arm64: Remove MPIDR multiprocessing extensions check

In ARM64, the MPIDR multiprocessing extensions bit is reserved to 1.
So, the value check for this bit is no longer necessary on ARM64.

Signed-off-by: Wei Chen <Wei.Chen@xxxxxxxxxx>
 xen/arch/arm/arm64/head.S | 1 -
 1 file changed, 1 deletion(-)

diff --git a/xen/arch/arm/arm64/head.S b/xen/arch/arm/arm64/head.S
index 3090beb..91e2817 100644
--- a/xen/arch/arm/arm64/head.S
+++ b/xen/arch/arm/arm64/head.S
@@ -267,7 +267,6 @@ common_start:
                                       * find that multiprocessor extensions are
                                       * present and the system is SMP  */
         mrs   x0, mpidr_el1
-        tbz   x0, _MPIDR_SMP, 1f     /* Multiprocessor extension not 
supported? */
         tbnz  x0, _MPIDR_UP, 1f      /* Uniprocessor system? */
         ldr   x13, =(~MPIDR_HWID_MASK)

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