[PULL 0/3] Xtensa fixes for v4.20-rc5

From: Max Filippov
Date: Wed Nov 28 2018 - 15:07:36 EST


Hi Linus,

please pull the following batch of fixes for coprocessors on Xtensa
architecture.

The following changes since commit 2e6e902d185027f8e3cb8b7305238f7e35d6a436:

Linux 4.20-rc4 (2018-11-25 14:19:31 -0800)

are available in the git repository at:

git://github.com/jcmvbkbc/linux-xtensa.git tags/xtensa-20181128

for you to fetch changes up to 38a35a78c5e270cbe53c4fef6b0d3c2da90dd849:

xtensa: fix coprocessor part of ptrace_{get,set}xregs (2018-11-26 18:37:51 -0800)

----------------------------------------------------------------
Xtensa fixes for v4.20-rc5

- Fix kernel exception on userspace access to a currently disabled
coprocessor.
- Fix coprocessor data saving/restoring in configurations with multiple
coprocessors.
- Fix ptrace access to coprocessor data on configurations with multiple
coprocessors with high alignment requirements.

----------------------------------------------------------------
Max Filippov (3):
xtensa: enable coprocessors that are being flushed
xtensa: fix coprocessor context offset definitions
xtensa: fix coprocessor part of ptrace_{get,set}xregs

arch/xtensa/kernel/asm-offsets.c | 16 +++++++--------
arch/xtensa/kernel/process.c | 5 ++++-
arch/xtensa/kernel/ptrace.c | 42 ++++++++++++++++++++++++++++++++++++----
3 files changed, 50 insertions(+), 13 deletions(-)

Thanks.
-- Max