tree e045597c56d995deda3b581c35a55aa4229b1af9
parent 7019cb3d883c5fdd8e4e75d753eded288d94b592
author Alexey Kardashevskiy <aik@ozlabs.ru> 1401886257 +1000
committer Alexander Graf <agraf@suse.de> 1402917884 +0200

target-ppc: Enable FSCR facility check for TAR

This makes user-privileged read/write fail if TAR facility is not enabled
in FSCR.

Since this is the very first check for enabled in FSCR facility,
this also adds gen_fscr_facility_check() for using in spr_write_tar()/
spr_read_tar().

This enables TAR in FSCR for user mode unconditionally.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>