tree d7ba59b203736d9be4ee3f011c4056524c230703
parent d949b512adaef2d8857609c950895da8af4ad4c9
author Juergen Gross <jgross@suse.com> 1604414126 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1605720391 +0100

xen/events: use a common cpu hotplug hook for event channels

commit 7beb290caa2adb0a399e735a1e175db9aae0523a upstream.

Today only fifo event channels have a cpu hotplug callback. In order
to prepare for more percpu (de)init work move that callback into
events_base.c and add percpu_init() and percpu_deinit() hooks to
struct evtchn_ops.

This is part of XSA-332.

Cc: stable@vger.kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Wei Liu <wl@xen.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>