linux/drivers/base/firmware_loader/fallback_table.c, branch v5.1

firmware_loader: move CONFIG_FW_LOADER_USER_HELPER switch to Makefile

2019-01-22T09:23:18Z

The whole code of fallback_table.c is surrounded by #ifdef of CONFIG_FW_LOADER_USER_HELPER. Move the CONFIG_FW_LOADER_USER_HELPER switch to Makefile so that it is not compiled at all when this CONFIG option is disabled. I also removed the confusing comment, "Module or buit-in [sic]". CONFIG_FW_LOADER_USER_HELPER is a boolean option. (If it were a module, CONFIG_FW_LOADER_USER_HELPER_MODULE would be defined instead.) Signed-off-by: Masahiro Yamada Signed-off-by: Greg Kroah-Hartman

firmware: enable to force disable the fallback mechanism at run time

2018-03-20T08:28:47Z

You currently need four different kernel builds to test the firmware API fully. By adding a proc knob to force disable the fallback mechanism completely we are able to reduce the amount of kernels you need built to test the firmware API down to two. Acked-by: Kees Cook Signed-off-by: Luis R. Rodriguez Signed-off-by: Greg Kroah-Hartman

firmware: enable run time change of forcing fallback loader

2018-03-20T08:28:47Z

Currently one requires to test four kernel configurations to test the firmware API completely: 0) CONFIG_FW_LOADER=y 1) o CONFIG_FW_LOADER=y o CONFIG_FW_LOADER_USER_HELPER=y 2) o CONFIG_FW_LOADER=y o CONFIG_FW_LOADER_USER_HELPER=y o CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y 3) When CONFIG_FW_LOADER=m the built-in stuff is disabled, we have no current tests for this. We can reduce the requirements to three kernel configurations by making fw_config.force_sysfs_fallback a proc knob we flip on off. For kernels that disable CONFIG_IKCONFIG_PROC this can also enable one to inspect if CONFIG_FW_LOADER_USER_HELPER_FALLBACK was enabled at build time by checking the proc value at boot time. Acked-by: Kees Cook Signed-off-by: Luis R. Rodriguez Signed-off-by: Greg Kroah-Hartman

firmware: move firmware loader into its own directory

2018-03-20T08:28:46Z

This will make it much easier to manage as we manage to keep trimming componnents down into their own files to more easily manage and maintain this codebase. Suggested-by: Kees Cook Signed-off-by: Luis R. Rodriguez Signed-off-by: Greg Kroah-Hartman