Ramji Jiyani e7451150cb ANDROID: GKI: Add module load time symbol protection ...

Add CONFIG_MODULE_SIG_PROTECT to enable lookup for the unprotected
symbols from the build time generated list of symbols.

Module loading behavior will change as follows:
- Allows Android GKI Modules signed using MODULE_SIG_ALL during build.
- Allows other modules to load if they don't violate the access to
  Android GKI protected symbols. Loading will fail and return
  -EACCES (Permission denied) if these modules access the symbol which
  is not allowlisted via symbol list or exported by a GKI module.

Bug: 232430739
Test: TH
Signed-off-by: Ramji Jiyani <ramjiyani@google.com>
Change-Id: I751b1951241b45712c20ac0e3878abd2152dd002

2022-09-30 17:41:39 +00:00

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