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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-16 22:44:14 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-16 22:44:14 +0200 |
| commit | 1652a83fa494b12e20fc02a2cc3ddbcd75d53170 (patch) | |
| tree | 2aa6461f309916dfadb19ed9e30886f4ece11e39 /drivers/xen/cpu_hotplug.c | |
| parent | d6142b91e9cc249b3aa22c90fade67e2e2d52cdb (diff) | |
| parent | 7876320f88802b22d4e2daf7eb027dd14175a0f8 (diff) | |
Merge 4.19-rc4 into usb-next
We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/xen/cpu_hotplug.c')
| -rw-r--r-- | drivers/xen/cpu_hotplug.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c index d4265c8ebb22..b1357aa4bc55 100644 --- a/drivers/xen/cpu_hotplug.c +++ b/drivers/xen/cpu_hotplug.c @@ -19,15 +19,16 @@ static void enable_hotplug_cpu(int cpu) static void disable_hotplug_cpu(int cpu) { - if (cpu_online(cpu)) { - lock_device_hotplug(); + if (!cpu_is_hotpluggable(cpu)) + return; + lock_device_hotplug(); + if (cpu_online(cpu)) device_offline(get_cpu_device(cpu)); - unlock_device_hotplug(); - } - if (cpu_present(cpu)) + if (!cpu_online(cpu) && cpu_present(cpu)) { xen_arch_unregister_cpu(cpu); - - set_cpu_present(cpu, false); + set_cpu_present(cpu, false); + } + unlock_device_hotplug(); } static int vcpu_online(unsigned int cpu) |