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Commit bbefef2f authored by Jiaxun Yang's avatar Jiaxun Yang Committed by Daniel Borkmann
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bpf, mips: Implement DADDI workarounds for JIT



For DADDI errata we just workaround by disable immediate operation
for BPF_ADD / BPF_SUB to avoid generation of DADDIU.

All other use cases in JIT won't cause overflow thus they are all safe.

Signed-off-by: default avatarJiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: default avatarJohan Almbladh <johan.almbladh@anyfinetworks.com>
Link: https://lore.kernel.org/bpf/20230228113305.83751-2-jiaxun.yang@flygoat.com
parent c8ee37bd
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