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

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Date:   Wed, 28 Nov 2018 12:07:16 -0800
From:   Max Filippov <jcmvbkbc@...il.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, linux-xtensa@...ux-xtensa.org,
        Chris Zankel <chris@...kel.net>,
        Max Filippov <jcmvbkbc@...il.com>
Subject: [PULL 0/3] Xtensa fixes for v4.20-rc5

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