RE: [PATCH v4 1/2] x86/MCE: Add function to allow filtering of MCA errors

[Ghannam, Yazen]

> -----Original Message-----
> From: linux-edac-owner@xxxxxxxxxxxxxxx <linux-edac-owner@xxxxxxxxxxxxxxx> On Behalf Of Borislav Petkov
> Sent: Tuesday, March 26, 2019 2:57 AM
> To: Ghannam, Yazen <Yazen.Ghannam@xxxxxxx>
> Cc: linux-edac@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; tony.luck@xxxxxxxxx; x86@xxxxxxxxxx; rafal@xxxxxxxxxx;
> clemej@xxxxxxxxx
> Subject: Re: [PATCH v4 1/2] x86/MCE: Add function to allow filtering of MCA errors
> 
> On Mon, Mar 25, 2019 at 04:34:22PM +0000, Ghannam, Yazen wrote:
> > From: Yazen Ghannam <yazen.ghannam@xxxxxxx>
> >
> > Some systems may report spurious MCA errors. In general, spurious MCA
> > errors may be disabled by clearing a particular bit in MCA_CTL. However,
> > clearing a bit in MCA_CTL may not be recommended for some errors, so the
> > only option is to ignore them.
> >
> > An MCA error is printed and handled after it has been added to the MCE
> > event pool. So an MCA error can be ignored by not adding it to the pool.
> >
> > Define a default function that does not filter any errors.
> >
> > Check if an MCA error should be filtered out when adding it to the MCE
> > event pool.
> >
> > Cc: <stable@xxxxxxxxxxxxxxx> # 5.0.x
> 
> The old version of the patches had 4.14.x here as a kernel version. Why
> change?
> 

They don't apply cleanly to v4.14 anymore because of the recent header change.

I figured they would need to be fixed up and submitted separately to older stable
versions. Is that okay?

Thanks,
Yazen