Vineet Gupta ce6365270e ARCv2: Implement atomic64 based on LLOCKD/SCONDD instructions ... ARCv2 ISA provides 64-bit exclusive load/stores so use them to implement the 64-bit atomics and elide the spinlock based generic 64-bit atomics boot tested with atomic64 self-test (and GOD bless the person who wrote them, I realized my inline assmebly is sloppy as hell) Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will.deacon@arm.com> Cc: linux-snps-arc@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Vineet Gupta <vgupta@synopsys.com>		2016-09-30 14:48:17 -07:00
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asm	ARCv2: Implement atomic64 based on LLOCKD/SCONDD instructions	2016-09-30 14:48:17 -07:00
uapi/asm	ARC: Support syscall ABI v4	2016-08-19 10:44:34 -07:00