linux-kernel - Re: [RFC PATCH] x86/mce: Make mce

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Message-ID: <20200908152539.GE25236@zn.tnic>
Date:   Tue, 8 Sep 2020 17:25:39 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     "Luck, Tony" <tony.luck@...el.com>
Cc:     x86-ml <x86@...nel.org>, lkml <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH] x86/mce: Make mce_rdmsrl() do a plain RDMSR only

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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