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authorWill Deacon <will.deacon@arm.com>2019-02-22 14:45:42 +0000
committerWill Deacon <will.deacon@arm.com>2019-04-08 12:00:40 +0100
commitb012980d1c6e27f5c4adf0c19defca8658956820 (patch)
tree11d24c8be3e2aeacd423bc556ff68da03a82bf60 /Documentation/memory-barriers.txt
parent420af1554790a95e6813f56f63b6d2361614082b (diff)
riscv/mmiowb: Hook up mmwiob() implementation to asm-generic code
In a bid to kill off explicit mmiowb() usage in driver code, hook up the asm-generic mmiowb() tracking code for riscv, so that an mmiowb() is automatically issued from spin_unlock() if an I/O write was performed in the critical section. Reviewed-by: Palmer Dabbelt <palmer@sifive.com> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
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