xtensa: fix a6 and a7 handling in fast_syscall_xtensa

Browse source

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.

Cc: stable@vger.kernel.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

...

This commit is contained in:

Max Filippov 2014-07-31 22:40:57 +04:00

parent a83b02e9bd

commit d1b6ba82a5

1 changed files with 5 additions and 7 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

12

arch/xtensa/kernel/entry.S

View file