MIPS: Loongson-3: Add CSR IPI support

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CSR IPI and legacy MMIO use the same infrastructure, but CSR IPI is
faster than legacy MMIO IPI. This patch enable CSR IPI if possible
(except for MailBox, because CSR IPI is too complicated for MailBox).

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
Cc: linux-mips@vger.kernel.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Cc: Huacai Chen <chenhuacai@gmail.com>

...

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Huacai Chen 2019-09-21 21:50:28 +08:00 • committed by Paul Burton

parent 7507445b19

commit ffe59ee36a

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1 changed files with 62 additions and 8 deletions

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arch/mips/loongson64/loongson-3/smp.c

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