Files
android_kernel_xiaomi_sm8450/arch/riscv/include/asm
Palmer Dabbelt 38b7c2a3ff RISC-V: Upgrade smp_mb__after_spinlock() to iorw,iorw
While digging through the recent mmiowb preemption issue it came up that
we aren't actually preventing IO from crossing a scheduling boundary.
While it's a bit ugly to overload smp_mb__after_spinlock() with this
behavior, it's what PowerPC is doing so there's some precedent.

Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-07-17 09:28:35 -07:00
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