[RFC PATCH 0/1] arm64/sve: ABI change: Zero SVE regs on syscall entry

[Dave Martin]

This patch proposes an ABI change, relative on the SVE v3 series [1].  See
the patch for details.

I may fold it into the series later, but for the benefit of reviewers
I'm posting this separately for now.

[1] [PATCH v3 00/28] ARM Scalable Vector Extension (SVE)
http://lists.infradead.org/pipermail/linux-arm-kernel/2017-October/535717.html

Dave Martin (1):
  arm64/sve: ABI change: Zero SVE regs on syscall entry

 arch/arm64/include/asm/fpsimd.h      |  1 -
 arch/arm64/include/asm/thread_info.h |  1 +
 arch/arm64/kernel/entry.S            | 19 +++++++++++++++
 arch/arm64/kernel/fpsimd.c           | 47 +++---------------------------------
 arch/arm64/kernel/process.c          | 29 +++++++++++++---------
 arch/arm64/kernel/signal.c           |  6 -----
 6 files changed, 41 insertions(+), 62 deletions(-)

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2.1.4