Re: x86/mce: suspicious RCU usage in 4.13.4

From: Borislav Petkov
Date: Thu Oct 12 2017 - 05:03:09 EST


On Wed, Oct 11, 2017 at 04:11:37PM -0700, Andi Kleen wrote:
> Sorry I take back what I wrote earlier. This RCU is actually still needed,
> otherwise the reader could see partially written entries.

Why? All the readers and writers take the mutex now.

--
Regards/Gruss,
Boris.

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