mbox series

[RFC,0/1] fpga: bridge improve protection against low-level control module unloading

Message ID 20240206105644.41185-1-marpagan@redhat.com
Headers
Series fpga: bridge improve protection against low-level control module unloading |

Message

Marco Pagani Feb. 6, 2024, 10:56 a.m. UTC 
  This RFC proposes a solution to keep protecting the fpga bridge against
the unloading of the low-level control modules while addressing the
limitations of the current implementation. Currently, the code assumes
that the low-level module registers a driver for the parent device that
is later used to take the module's refcount. This proposal removes this
limitation by adding a module owner field to the fpga_bridge struct that
can be set while registering the bridge.

The RFC patch is based on top of ("fpga: remove redundant checks for
bridge ops").

https://lore.kernel.org/linux-fpga/20240201155713.82898-1-marpagan@redhat.com/

Marco Pagani (1):
  fpga: bridge: improve protection against low-level control module
    unloading

 Documentation/driver-api/fpga/fpga-bridge.rst |  7 ++-
 drivers/fpga/fpga-bridge.c                    | 61 +++++++++++--------
 include/linux/fpga/fpga-bridge.h              | 10 ++-
 3 files changed, 47 insertions(+), 31 deletions(-)