Jerin Jacob
2acfae37f6
bpf/arm: add atomic-exchange-and-add operation
...
Implement XADD eBPF instruction using STADD arm64 instruction.
If the given platform does not have atomics support,
use LDXR and STXR pair for critical section instead of STADD.
Signed-off-by: Jerin Jacob <jerinj@marvell.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
2019-10-12 14:20:29 +02:00
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