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    SubjectRe: [PATCH v3 11/20] firmware: enable to force disable the fallback mechanism at run time
    On Sat, Mar 10, 2018 at 06:14:52AM -0800, Luis R. Rodriguez wrote:
    > 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 <keescook@chromium.org>
    > Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
    > ---
    > drivers/base/firmware_loader/fallback.c | 5 +++++
    > drivers/base/firmware_loader/fallback.h | 4 ++++
    > drivers/base/firmware_loader/fallback_table.c | 9 +++++++++
    > 3 files changed, 18 insertions(+)
    >
    > diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c
    > index 45cc40933a47..d6838e7ec00c 100644
    > --- a/drivers/base/firmware_loader/fallback.c
    > +++ b/drivers/base/firmware_loader/fallback.c
    > @@ -643,6 +643,11 @@ static bool fw_force_sysfs_fallback(unsigned int opt_flags)
    >
    > static bool fw_run_sysfs_fallback(unsigned int opt_flags)
    > {
    > + if (fw_fallback_config.ignore_sysfs_fallback) {
    > + pr_info_once("Ignoring firmware sysfs fallback due to debugfs knob\n");

    s/debugfs/sysctl/ right?

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