[Xen-changelog] [xen master] xen/arm: arm64: Remove MPIDR multiprocessing extensions check

[patchbot@xxxxxxx]

commit 1f8168784ebfd862586d1d02acb3352ec3715d12
Author:     Wei Chen <wei.chen@xxxxxxxxxx>
AuthorDate: Tue May 31 10:54:14 2016 +0800
Commit:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
CommitDate: Wed Jun 1 11:13:37 2016 +0100

    xen/arm: arm64: Remove MPIDR multiprocessing extensions check
    
    In AArch32, MPIDR bit 31 is defined as multiprocessing extensions bit.
    But in AArch64, this bit is always RES1. So the value check for this
    bit is no longer necessary in AArch64.
    
    Signed-off-by: Wei Chen <Wei.Chen@xxxxxxxxxx>
    Reviewed-by: Julien Grall <julien.grall@xxxxxxx>
    Signed-off-by: Stefano Stabellini <sstabellini@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)
--
generated by git-patchbot for /home/xen/git/xen.git#master

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