RE: [PATCH v2 16/16] EDAC/mce_amd: Add support for FRU Text in MCA

From: Luck, Tony
Date: Fri Apr 05 2024 - 12:06:51 EST


> diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
> index aa27729f7899..a4d09dda5fae 100644
> --- a/arch/x86/kernel/cpu/mce/core.c
> +++ b/arch/x86/kernel/cpu/mce/core.c
> @@ -207,6 +207,8 @@ static void __print_mce(struct mce_hw_err *err)
> pr_cont("SYND2 %llx ", err->vi.amd.synd2);
> if (m->ipid)
> pr_cont("IPID %llx ", m->ipid);
> + if (err->vi.amd.config)

This is in common code. If other vendors start adding their own stuff to the
"vi" union you might incorrectly print this. Add a vendor check before looking
at values inside "m->vi".

> + pr_cont("CONFIG %llx ", err->vi.amd.config);
> }
>
> pr_cont("\n");