riscv: stack: Support HAVE_SOFTIRQ_ON_OWN_STACK

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Add the HAVE_SOFTIRQ_ON_OWN_STACK feature for the IRQ_STACKS config, and
the irq and softirq use the same irq_stack of percpu.

Tested-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20230614013018.2168426-3-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

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Guo Ren 2023-06-13 21:30:17 -04:00 • committed by Palmer Dabbelt

parent 163e76cc6e

commit dd69d07a5a

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2 changed files with 39 additions and 2 deletions

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6

arch/riscv/Kconfig

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35

arch/riscv/kernel/irq.c

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