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    Subject[PATCH 5.10 621/717] um: Fix time-travel mode
    Date
    From: Johannes Berg <johannes.berg@intel.com>

    commit ff9632d2a66512436d616ef4c380a0e73f748db1 upstream.

    Since the time-travel rework, basic time-travel mode hasn't worked
    properly, but there's no longer a need for this WARN_ON() so just
    remove it and thereby fix things.

    Cc: stable@vger.kernel.org
    Fixes: 4b786e24ca80 ("um: time-travel: Rewrite as an event scheduler")
    Signed-off-by: Johannes Berg <johannes.berg@intel.com>
    Signed-off-by: Richard Weinberger <richard@nod.at>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    arch/um/kernel/time.c | 5 -----
    1 file changed, 5 deletions(-)

    --- a/arch/um/kernel/time.c
    +++ b/arch/um/kernel/time.c
    @@ -260,11 +260,6 @@ static void __time_travel_add_event(stru
    struct time_travel_event *tmp;
    bool inserted = false;

    - if (WARN(time_travel_mode == TT_MODE_BASIC &&
    - e != &time_travel_timer_event,
    - "only timer events can be handled in basic mode"))
    - return;
    -
    if (e->pending)
    return;


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