arm: Implement thread_struct whitelist for hardened usercopy

While ARM32 carries FPU state in the thread structure that is saved and
restored during signal handling, it doesn't need to declare a usercopy
whitelist, since existing accessors are all either using a bounce buffer
(for which whitelisting isn't checking the slab), are statically sized
(which will bypass the hardened usercopy check), or both.

Cc: Russell King <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Christian Borntraeger <[email protected]>
Cc: "Peter Zijlstra (Intel)" <[email protected]>
Cc: [email protected]
Signed-off-by: Kees Cook <[email protected]>

0 files changed, 0 insertions, 0 deletions