RE: [PATCH v6 1/5] x86/mce: Add wrapper for struct mce to export vendor specific info

[Zhuo, Qiuxu]

> From: Avadhut Naik <avadhut.naik@xxxxxxx>
> [...]
> --- a/arch/x86/kernel/cpu/mce/core.c
> +++ b/arch/x86/kernel/cpu/mce/core.c
> [...]
> @@ -1506,13 +1528,14 @@ noinstr void do_machine_check(struct pt_regs
> *regs)
> 
>  	this_cpu_inc(mce_exception_count);
> 
> -	mce_gather_info(&m, regs);
> -	m.tsc = rdtsc();
> +	mce_gather_info(&err, regs);
> +	m = &err.m;
> +	m->tsc = rdtsc();
> 
> -	final = this_cpu_ptr(&mces_seen);
> -	*final = m;
> +	final = this_cpu_ptr(&hw_errs_seen);
> +	final = &err;

It's not about getting the 'final' pointer to point to 'err', instead initialize the data it points to with 'err'.
So, it should be:

    s/final = &err/*final = err/

[...]

-Qiuxu