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Re: [PATCH v2 6/7] hw/xen: register legacy backends via xen_backend_init



On 10/05/2024 11:49, Philippe Mathieu-Daudé wrote:
From: Paolo Bonzini <pbonzini@xxxxxxxxxx>

It is okay to register legacy backends in the middle of xen_bus_init().
All that the registration does is record the existence of the backend
in xenstore.

This makes it possible to remove them from the build without introducing
undefined symbols in xen_be_init().  It also removes the need for the
backend_register callback, whose only purpose is to avoid registering
nonfunctional backends.

Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Message-ID: <20240509170044.190795-8-pbonzini@xxxxxxxxxx>
Signed-off-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>
---
  include/hw/xen/xen-legacy-backend.h | 11 ++---------
  include/hw/xen/xen_pvdev.h          |  1 -
  hw/9pfs/xen-9p-backend.c            |  8 +++++++-
  hw/display/xenfb.c                  |  8 +++++++-
  hw/usb/xen-usb.c                    | 14 ++++----------
  hw/xen/xen-legacy-backend.c         | 16 ----------------
  6 files changed, 20 insertions(+), 38 deletions(-)


Reviewed-by: Paul Durrant <paul@xxxxxxx>




 


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