Re: [PATCH v7 009/120] x86/cpu: Use parsed CPUID(0x0)

[Ahmed S. Darwish]

On Fri, 29 May 2026, Borislav Petkov wrote:
>
> On Thu, May 28, 2026 at 05:37:31PM +0200, Ahmed S. Darwish wrote:
> >
> > diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
> > index 5cae6c48dd25..281dc591ea79 100644
> > --- a/arch/x86/kernel/cpu/common.c
> > +++ b/arch/x86/kernel/cpu/common.c
> > @@ -942,11 +942,15 @@ void get_cpu_vendor(struct cpuinfo_x86 *c)
> >
> >  void cpu_detect(struct cpuinfo_x86 *c)
> >  {
> > -	/* Get vendor name */
> > -	cpuid(0x00000000, (unsigned int *)&c->cpuid_level,
> > -	      (unsigned int *)&c->x86_vendor_id[0],
> > -	      (unsigned int *)&c->x86_vendor_id[8],
> > -	      (unsigned int *)&c->x86_vendor_id[4]);
> > +	const struct leaf_0x0_0 *l0 = cpuid_leaf(c, 0x0);
> > +
> > +	if (!l0)
> > +		return;
>
> What for?
>

I'll remove it.