Palmer Dabbelt 35728cac17 RISC-V: Upgrade smp_mb__after_spinlock() to iorw,iorw ... [ Upstream commit 38b7c2a3ff ] 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> Signed-off-by: Sasha Levin <sashal@kernel.org>		2020-07-29 10:18:40 +02:00
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asm	RISC-V: Upgrade smp_mb__after_spinlock() to iorw,iorw	2020-07-29 10:18:40 +02:00
uapi/asm	riscv: Add support for perf registers sampling	2019-09-05 00:48:58 -07:00