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xtensa: fix threadptr reload on return to userspace
authorMax Filippov <jcmvbkbc@gmail.com>
Sat, 4 Jul 2015 12:27:39 +0000 (15:27 +0300)
committerMax Filippov <jcmvbkbc@gmail.com>
Tue, 14 Jul 2015 22:48:43 +0000 (01:48 +0300)
Userspace return code may skip restoring THREADPTR register if there are
no registers that need to be zeroed. This leads to spurious failures in
libc NPTL tests.

Always restore THREADPTR on return to userspace.

Cc: stable@vger.kernel.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
arch/xtensa/kernel/entry.S patch | blob | history

diff --cc arch/xtensa/kernel/entry.S
Simple merge
Pandora Kernel Repository