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| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2015-10-22 16:20:46 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2015-10-23 14:20:47 +0100 |
| commit | a314e3eb845389b8f68130c79a63832229dea87b (patch) | |
| tree | 94f59575eb25d7292e54f4fa31ad9627e393f853 /arch/x86/xen | |
| parent | 89bf4b4e4a8d9ab219cd03aada24e782cf0ac359 (diff) | |
| download | linux-a314e3eb845389b8f68130c79a63832229dea87b.tar.bz2 | |
xen/arm: Enable cpu_hotplug.c
Build cpu_hotplug for ARM and ARM64 guests.
Rename arch_(un)register_cpu to xen_(un)register_cpu and provide an
empty implementation on ARM and ARM64. On x86 just call
arch_(un)register_cpu as we are already doing.
Initialize cpu_hotplug on ARM.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Julien Grall <julien.grall@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/enlighten.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 993b7a71386d..5774800ff583 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -75,6 +75,7 @@ #include <asm/mwait.h> #include <asm/pci_x86.h> #include <asm/pat.h> +#include <asm/cpu.h> #ifdef CONFIG_ACPI #include <linux/acpi.h> @@ -1899,3 +1900,17 @@ const struct hypervisor_x86 x86_hyper_xen = { .set_cpu_features = xen_set_cpu_features, }; EXPORT_SYMBOL(x86_hyper_xen); + +#ifdef CONFIG_HOTPLUG_CPU +void xen_arch_register_cpu(int num) +{ + arch_register_cpu(num); +} +EXPORT_SYMBOL(xen_arch_register_cpu); + +void xen_arch_unregister_cpu(int num) +{ + arch_unregister_cpu(num); +} +EXPORT_SYMBOL(xen_arch_unregister_cpu); +#endif |