powerpc/64s/exception: improve 0x500 handler code
authorNicholas Piggin <npiggin@gmail.com>
Sat, 22 Jun 2019 13:15:23 +0000 (23:15 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 2 Jul 2019 10:24:42 +0000 (20:24 +1000)
commit80bd9177def1ab92637e8cd27c2534b1224b12b5
treeed61d7c46c2b2d3007a36c8dc328f75306f925c0
parentfc557537f2ad546e5c6f217143d8a95382f2e1b5
powerpc/64s/exception: improve 0x500 handler code

After the previous cleanup, it becomes possible to consolidate some
common code outside the runtime alternate patching. Also remove
unused labels.

This results in some code change, but unchanged runtime instruction
sequence.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/kernel/exceptions-64s.S