xtensa: use callx0 opcode in fast_coprocessor
authorMax Filippov <jcmvbkbc@gmail.com>
Thu, 14 Apr 2022 05:50:54 +0000 (22:50 -0700)
committerMax Filippov <jcmvbkbc@gmail.com>
Mon, 2 May 2022 02:51:23 +0000 (19:51 -0700)
commit6179ef4d460a0e4d8de7b88b4bd9aa6c35215b5f
tree3051238d24639a2c0b39a2e174943974fd96a395
parent9fa8c59f5f82aec99a7f87095ab093b68dd492a5
xtensa: use callx0 opcode in fast_coprocessor

Instead of emulating call0 in fast_coprocessor use that opcode directly.
Use 'ret' instead of 'jx a0'.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
arch/xtensa/kernel/coprocessor.S