Re: [GIT PULL] 2 RAS fixes for 3.17, refreshed

[Boris Ostrovsky]

On 06/27/2014 11:01 AM, Borislav Petkov wrote:
> On Tue, Jun 24, 2014 at 09:27:01AM -0400, Konrad Rzeszutek Wilk wrote:
> > Isn't that one a regression that was introduced in 3.16?
> Hrrm, BorisO, you said misc_register would often fail in xen, is that
> correct? Because if so, we added the error check to misc_register in
> 3.16 so the mcheck_init_device fix would have to go in now.


Yes, it fails because xen_late_init_mcelog() registers /dev/mcelog and 
(I think) it happens before mcheck_init_device().

In other words, misc_register() expected to fail in mcheck/mce.c on 
(privileged?) PV guests (provided right CONFIG_XEN_* is set).

-boris
--
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/