Re: [PATCH 8/9] x86, RAS: Add attributes needed for HW injection

[Borislav Petkov]

On Wed, Oct 19, 2011 at 05:19:06PM -0400, David Rientjes wrote:
> On Wed, 19 Oct 2011, Borislav Petkov wrote:
> 
> > > That wouldn't catch an offline cpuid, you probably want cpu_online(val)?
> > 
> > Good catch, thanks.
> > 
> > So I'm looking at <arch/x86/kernel/cpuid.c> which is how the validity of
> > a cpu value should be tested properly, IMHO:
> > 
> > static int cpuid_open(struct inode *inode, struct file *file)
> > {
> > 	...
> > 
> > 	if (cpu >= nr_cpu_ids || !cpu_online(cpu))
> > 		return -ENXIO;	/* No such CPU */
> > 	...
> 
> Right, the comment for cpumask_test_cpu(), which cpu_online() really is, 
> wants a cpu < nr_cpu_ids.

Fixed, thanks.

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
GM: Alberto Bozzo
Reg: Dornach, Landkreis Muenchen
HRB Nr. 43632 WEEE Registernr: 129 19551
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/