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[Xen-changelog] [xen master] xen/arm: smpboot: drop unneeded code in start_secondary



commit d10133480c497695e98b11b3401de6ec118bac33
Author:     Peng Fan <van.freenix@xxxxxxxxx>
AuthorDate: Thu May 19 17:22:07 2016 +0800
Commit:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
CommitDate: Fri Jun 17 10:22:16 2016 +0100

    xen/arm: smpboot: drop unneeded code in start_secondary
    
    CPU0 boots up secondary CPUs one by one. Before booting
    one secondary CPU, CPU0 will assign hwid to smp_up_cpu
    and flush cache. After a secondary CPU boots up,
    CPU0 will assign MPIDR_INVALID to smp_up_cpu and flush
    cache.
    
    There is no need for secondary CPUs to assign MPIDR_INVALID
    to smp_up_cpu. So, drop it.
    
    Signed-off-by: Peng Fan <van.freenix@xxxxxxxxx>
    Reviewed-by: Julien Grall <julien.grall@xxxxxxx>
    Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/arch/arm/smpboot.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/xen/arch/arm/smpboot.c b/xen/arch/arm/smpboot.c
index ba83406..3a962f7 100644
--- a/xen/arch/arm/smpboot.c
+++ b/xen/arch/arm/smpboot.c
@@ -310,7 +310,6 @@ void start_secondary(unsigned long boot_phys_offset,
     smp_wmb();
 
     /* Now report this CPU is up */
-    smp_up_cpu = MPIDR_INVALID;
     cpumask_set_cpu(cpuid, &cpu_online_map);
     smp_wmb();
 
--
generated by git-patchbot for /home/xen/git/xen.git#master

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