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    Subject[PATCH v12 17/18] xen/pvh/arm/arm64: Disable PV code that does not work with PVH (v2)
    Date
    From: Mukesh Rathor <mukesh.rathor@oracle.com>

    As we do not have yet a mechanism for that.

    This also impacts the ARM/ARM64 code (which does not have
    hotplug support yet).

    Signed-off-by: Mukesh Rathor <mukesh.rathor@oracle.com>
    Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
    ---
    drivers/xen/cpu_hotplug.c | 4 +++-
    1 file changed, 3 insertions(+), 1 deletion(-)

    diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c
    index cc6513a..5f80802 100644
    --- a/drivers/xen/cpu_hotplug.c
    +++ b/drivers/xen/cpu_hotplug.c
    @@ -4,6 +4,7 @@

    #include <xen/xen.h>
    #include <xen/xenbus.h>
    +#include <xen/features.h>

    #include <asm/xen/hypervisor.h>
    #include <asm/cpu.h>
    @@ -102,7 +103,8 @@ static int __init setup_vcpu_hotplug_event(void)
    static struct notifier_block xsn_cpu = {
    .notifier_call = setup_cpu_watcher };

    - if (!xen_pv_domain())
    + /* PVH/ARM/ARM64 TBD/FIXME: future work */
    + if (!xen_pv_domain() || xen_feature(XENFEAT_auto_translated_physmap))
    return -ENODEV;

    register_xenstore_notifier(&xsn_cpu);
    --
    1.8.3.1


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