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(parent: ebd3eb2) | patch
xtensa: fix a6 and a7 handling in fast_syscall_xtensa
authorMax Filippov <jcmvbkbc@gmail.com>
Thu, 31 Jul 2014 18:40:57 +0000 (22:40 +0400)
committerJiri Slaby <jslaby@suse.cz>
Mon, 13 Oct 2014 13:40:52 +0000 (15:40 +0200)
commit9b9dbcf3bc9188dfd3691a48b34d6afa628474ea
tree2af88bd4441490665bc24a3e5b94ea1c16e03d07tree | snapshot
parentebd3eb22e54df555edb485a7dff8f57ac3e18b1ecommit | diff
xtensa: fix a6 and a7 handling in fast_syscall_xtensa

commit d1b6ba82a50cecf94be540a3a153aa89d97511a0 upstream.

Remove restoring a6 on some return paths and instead modify and restore
it in a single place, using symbolic name.
Correctly restore a7 from PT_AREG7 in case of illegal a6 value.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
arch/xtensa/kernel/entry.S diff | blob | history
wrapfs-4.14.y