Re: [RFC PATCH] x86/mce: Make mce_rdmsrl() do a plain RDMSR only

From: Borislav Petkov
Date: Tue Sep 08 2020 - 15:25:56 EST


On Tue, Sep 08, 2020 at 03:07:05PM +0000, Luck, Tony wrote:
> We can even get a nice diagnostic message since the handler
> has access to "regs". It can print which MSR (regs->cx) and
> where it happened (regs->ip).
>
> Which sounds like you might want a specific ex_handler_rdmsr
> function rather than a generic ex_handler_panic.
>
> Maybe same deal for wrmsr() too? That would also print edx:eax
> so you could see what was being written.

Sounds good. Lemme try to come up with something these days.

Thx.

--
Regards/Gruss,
Boris.

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