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authorGuo Ren <ren_guo@c-sky.com>2019-06-18 17:20:10 +0800
committerGuo Ren <ren_guo@c-sky.com>2019-07-19 14:21:36 +0800
commit9d35dc3006a9865eb5b55cc79df49933601131f8 (patch)
tree6f16dbd7f5111bcea394079e199bb68701459235 /arch/csky/abiv1/inc
parent4d581034f9086f784a3408575bdb3c201740c6cb (diff)
downloadlinux-sh-9d35dc3006a9865eb5b55cc79df49933601131f8.tar.gz
csky: Revert mmu ASID mechanism
Current C-SKY ASID mechanism is from mips and it doesn't work well with multi-cores. ASID per core mechanism is not suitable for C-SKY SMP tlb maintain operations, eg: tlbi.vas need share the same asid in all processors and it'll invalid the tlb entry in all cores with the same asid. This patch is prepare for new ASID mechanism. Signed-off-by: Guo Ren <ren_guo@c-sky.com> Cc: Arnd Bergmann <arnd@arndb.de>
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