As a consequence of commit 49388f11d512bb92706ce
("x86/cpufreq: relocate the driver register function")
the cpufreq CPU notifier was being registered twice.
That resulted in bugs when trying to offline a
CPU, as reported here:

 https://www.mail-archive.com/xen-devel@lists.xen.org/msg41618.html

Signed-off-by: Dario Faggioli <dario.faggi...@citrix.com>
---
Cc: Jan Beulich <jbeul...@suse.com>
Cc: Andrew Cooper <andrew.coop...@citrix.com>
Cc: "Wang, Wei W" <wei.w.w...@intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
---
 xen/drivers/cpufreq/cpufreq.c |    1 -
 1 file changed, 1 deletion(-)

diff --git a/xen/drivers/cpufreq/cpufreq.c b/xen/drivers/cpufreq/cpufreq.c
index 81a187b..6e666e4 100644
--- a/xen/drivers/cpufreq/cpufreq.c
+++ b/xen/drivers/cpufreq/cpufreq.c
@@ -650,6 +650,5 @@ int __init cpufreq_register_driver(struct cpufreq_driver 
*driver_data)
 
     cpufreq_driver = driver_data;
 
-    register_cpu_notifier(&cpu_nfb);
     return 0;
 }


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