Messages in this thread | | | Date | Fri, 19 May 2023 23:51:40 +0100 (BST) | From | "Maciej W. Rozycki" <> | Subject | Re: [PATCH 1/3] MIPS: Introduce WAR_4KC_LLSC config option |
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On Fri, 19 May 2023, Jiaxun Yang wrote:
> > Given the circumstances I think this should be `panic'. You don't want > > to continue with a system that can randomly lock up. > > I just checked how other architectures handle such situation, it seems like > TAINT_CPU_OUT_OF_SPEC is a better option.
That can be easily missed, just as a random message in the kernel log, even at a high priority, and LOGLEVEL_ERR is not particularly high even. For a system configuration that qualifies as not usable for any practical purpose I find this approach leaving something to desire.
> Panic in cpu_probe can be frustrating for users as it is earlier than initialisation > of consoles so the panic message can never be read by users.
Is there no early console support for the systems affected?
Maciej
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