Re: [Xen-devel] [PATCH v3] Merge IS_PRIV checks into XSM hooks

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Daniel De Graaf writes ("[Xen-devel] [PATCH v3] Merge IS_PRIV checks into XSM 
hooks"):
> The ARM architecture is not touched at all in these patches; however,
> none of the changes should affect ARM. XSM hooks will need to be added
> for the arch-specific controls in order for FLASK to be useful on ARM,
> but those changes are outside the scope of this series.

By "not useful" I guess you mean that it wouldn't have the desired
security property.  Is there already something that will prevent
attempts to use xsm on arm ?  The code which enforces this should
ideally have a comment listing everything that was done to x86 but not
to arm, so that we have a useful todo list and don't miss anything
before enabling xsm on arm.

Ian.

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