[PATCH v3 2/8] elf: Add a tunable to control use of tagged memory

[Richard Earnshaw]

On 27/11/2020 11:32, Siddhesh Poyarekar wrote:
> On 11/27/20 4:19 PM, Richard Earnshaw wrote:
>> Sorry, I meant to add that if this is to be considered a security
>> feature it should be an active decision to disable it for a specific
>> binary, not an active decision to enable it.  What's more, the marker
>> then can be used to quickly find binaries that are tagging unsafe when
>> targetting things for audit purposes.
> 
> I am a bit confused with the contradictory statements about this feature
> and patchset.  Perhaps it is because you want to start out with a debug
> feature and then at some point make it mandatory and we're mixing
> conversations about both.
> 
> Thanks,
> Siddhesh

Yes.  But that's because if this remains just a debugging feature, then
tagging is completely pointless.

R.