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authorStefano Stabellini <stefano.stabellini@eu.citrix.com>2015-10-22 16:20:46 +0000
committerDavid Vrabel <david.vrabel@citrix.com>2015-10-23 14:20:47 +0100
commita314e3eb845389b8f68130c79a63832229dea87b (patch)
tree94f59575eb25d7292e54f4fa31ad9627e393f853 /arch/x86/include/asm/xen
parentxenbus: Support multiple grants ring with 64KB (diff)
downloadlinux-dev-a314e3eb845389b8f68130c79a63832229dea87b.tar.xz
linux-dev-a314e3eb845389b8f68130c79a63832229dea87b.zip
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/include/asm/xen')
-rw-r--r--arch/x86/include/asm/xen/hypervisor.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h
index d866959e5685..8b2d4bea9962 100644
--- a/arch/x86/include/asm/xen/hypervisor.h
+++ b/arch/x86/include/asm/xen/hypervisor.h
@@ -57,4 +57,9 @@ static inline bool xen_x2apic_para_available(void)
}
#endif
+#ifdef CONFIG_HOTPLUG_CPU
+void xen_arch_register_cpu(int num);
+void xen_arch_unregister_cpu(int num);
+#endif
+
#endif /* _ASM_X86_XEN_HYPERVISOR_H */