Re: [PATCH 6.1] arm64: efi: Use SMBIOS processor version to key off Ampere quirk

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On Thu, Jun 08, 2023 at 09:36:22AM +0200, Jeremi Piotrowski wrote:
> On 6/7/2023 8:36 PM, Greg KH wrote:
> > On Wed, Jun 07, 2023 at 05:26:12AM -0700, Ard Biesheuvel wrote:
> >> [ Upstream commit eb684408f3ea4856639675d6465f0024e498e4b1 ]
> >>
> >> Instead of using the SMBIOS type 1 record 'family' field, which is often
> >> modified by OEMs, use the type 4 'processor ID' and 'processor version'
> >> fields, which are set to a small set of probe-able values on all known
> >> Ampere EFI systems in the field.
> >>
> >> Fixes: 550b33cfd4452968 ("arm64: efi: Force the use of ...")
> >> Tested-by: Andrea Righi <andrea.righi@xxxxxxxxxxxxx>
> >> Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
> >> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
> > 
> > Where did Sasha sign off on this?
> > 
> 
> I must have picked the commit from the 6.2 backport:
> 
> https://lore.kernel.org/stable/20230328142621.544265000@xxxxxxxxxxxxxxxxxxx/#t
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.2.16&id=b824efafca6739f6c80d22d88a83e6545114ed8e

When doing so, please be explicit, otherwise it is very confusing.

thanks,

greg k-h



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