riscv: don't stop itself in smp_send_stop

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Add IPI_CPU_STOP message and use it in smp_send_stop to stop other cpus,
but not itself.  Mark cpu offline on reception of IPI_CPU_STOP.

Signed-off-by: Andreas Schwab <schwab@suse.de>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

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Andreas Schwab 2018-12-11 11:20:40 +01:00 • committed by Palmer Dabbelt

parent 8fd6e05c74

commit 37a107ff6d

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1 changed files with 36 additions and 7 deletions

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arch/riscv/kernel/smp.c

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