Re: [PATCH 5/7] mips: bpf: Add JIT workarounds for CPU errata

[Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>]

在 2021/10/5 17:54, Johan Almbladh 写道:
> This patch adds workarounds for the following CPU errata to the MIPS
> eBPF JIT, if enabled in the kernel configuration.
>
>    - R10000 ll/sc weak ordering
>    - Loongson-3 ll/sc weak ordering
>    - Loongson-2F jump hang
>
> The Loongson-2F nop errata is implemented in uasm, which the JIT uses,
> so no additional mitigations are needed for that.
>
> Signed-off-by: Johan Almbladh <johan.almbladh@xxxxxxxxxxxxxxxxx>
Reviewed-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>

Thanks!

- Jiaxun
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>