linux-kernel - RE: [tip: ras/core] x86/{mce,mm}: Change so poison pages are either unmapped or marked uncacheable

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Date:   Tue, 26 May 2020 17:37:03 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Borislav Petkov <bp@...en8.de>, Jue Wang <juew@...gle.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-tip-commits@...r.kernel.org" 
        <linux-tip-commits@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        x86 <x86@...nel.org>
Subject: RE: [tip: ras/core] x86/{mce,mm}: Change so poison pages are either
 unmapped or marked uncacheable

> Ok, I had to change this one due to other pending changes in
> tip:x86/entry. The new version below.
>
> Can you guys run this branch to make sure it still works as expected?
>
> https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git/log/?h=tip-ras-core

Tested the native case. We correctly try to set the page uncacheable because
the scope of the error is a cache line.

I don't have the right setup to test the virtualization case. Maybe Jue can test again?

-Tony