https://github.com/torvalds/linux
Revision 38b7c2a3ffb1fce8358ddc6006cfe5c038ff9963 authored by Palmer Dabbelt on 16 July 2020, 18:57:26 UTC, committed by Palmer Dabbelt on 17 July 2020, 16:28:35 UTC
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>
1 parent 0cac21b
History
Tip revision: 38b7c2a3ffb1fce8358ddc6006cfe5c038ff9963 authored by Palmer Dabbelt on 16 July 2020, 18:57:26 UTC
RISC-V: Upgrade smp_mb__after_spinlock() to iorw,iorw
Tip revision: 38b7c2a
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