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    Subject[tip:sched/core] metag: Adjust system_state check
    Commit-ID:  dcd2e4734b428709984e2fa35ebbd6cccc246d47
    Gitweb: http://git.kernel.org/tip/dcd2e4734b428709984e2fa35ebbd6cccc246d47
    Author: Thomas Gleixner <tglx@linutronix.de>
    AuthorDate: Tue, 16 May 2017 20:42:36 +0200
    Committer: Ingo Molnar <mingo@kernel.org>
    CommitDate: Tue, 23 May 2017 10:01:35 +0200

    metag: Adjust system_state check

    To enable smp_processor_id() and might_sleep() debug checks earlier, it's
    required to add system states between SYSTEM_BOOTING and SYSTEM_RUNNING.

    Adjust the system_state check in stop_this_cpu() to handle the extra states.

    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
    Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Cc: James Hogan <james.hogan@imgtec.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Mark Rutland <mark.rutland@arm.com>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Steven Rostedt <rostedt@goodmis.org>
    Link: http://lkml.kernel.org/r/20170516184735.283420315@linutronix.de
    Signed-off-by: Ingo Molnar <mingo@kernel.org>
    ---
    arch/metag/kernel/smp.c | 3 +--
    1 file changed, 1 insertion(+), 2 deletions(-)

    diff --git a/arch/metag/kernel/smp.c b/arch/metag/kernel/smp.c
    index 232a12b..2dbbb7c 100644
    --- a/arch/metag/kernel/smp.c
    +++ b/arch/metag/kernel/smp.c
    @@ -567,8 +567,7 @@ static void stop_this_cpu(void *data)
    {
    unsigned int cpu = smp_processor_id();

    - if (system_state == SYSTEM_BOOTING ||
    - system_state == SYSTEM_RUNNING) {
    + if (system_state <= SYSTEM_RUNNING) {
    spin_lock(&stop_lock);
    pr_crit("CPU%u: stopping\n", cpu);
    dump_stack();
    \
     
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