linux-kernel - RE: [PATCH RESEND 4/5] x86/MCE: Make number of MCA banks per

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Date:   Mon, 8 Apr 2019 20:42:36 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Borislav Petkov <bp@...en8.de>
CC:     "Ghannam, Yazen" <Yazen.Ghannam@....com>,
        "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>
Subject: RE: [PATCH RESEND 4/5] x86/MCE: Make number of MCA banks per_cpu

> Actually, it should not be exported at all. A function returning the num
> banks is better instead.

Are all the places it is used in non-pre-emptible sections of code? Looping
in the CMCI and #MC handlers should be fine. But do we need get_cpu()/put_cpu()
in any places?

-Tony