Re: [tip:x86/urgent] x86/mce: Fix CMCI preemption bugs

From: Borislav Petkov
Date: Thu Apr 17 2014 - 15:43:02 EST


On Thu, Apr 17, 2014 at 12:25:14PM -0700, Linus Torvalds wrote:
> No, Owen tested a simpler patch that just changes the "get_cpu_var()"
> to "__get_cpu_var()" and avoids the preempt increment.

Which basically would be the same as doing this_cpu_write() in the
proposed fix - both don't touch preemption. So it is something else.
More staring...

--
Regards/Gruss,
Boris.

Sent from a fat crate under my desk. Formatting is fine.
--
--
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/