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SubjectRe: [PATCH 02/14] rseq: Introduce restartable sequences system call (v13)
On Mon, Apr 30, 2018 at 06:44:21PM -0400, Mathieu Desnoyers wrote:
> Expose a new system call allowing each thread to register one userspace
> memory area to be used as an ABI between kernel and user-space for two
> purposes: user-space restartable sequences and quick access to read the
> current CPU number value from user-space.

> ---
> MAINTAINERS | 11 ++
> arch/Kconfig | 7 +
> fs/exec.c | 1 +
> include/linux/sched.h | 134 +++++++++++++++++
> include/linux/syscalls.h | 4 +-
> include/trace/events/rseq.h | 57 +++++++
> include/uapi/linux/rseq.h | 133 +++++++++++++++++
> init/Kconfig | 23 +++
> kernel/Makefile | 1 +
> kernel/fork.c | 2 +
> kernel/rseq.c | 357 ++++++++++++++++++++++++++++++++++++++++++++
> kernel/sched/core.c | 2 +
> kernel/sys_ni.c | 3 +
> 13 files changed, 734 insertions(+), 1 deletion(-)
> create mode 100644 include/trace/events/rseq.h
> create mode 100644 include/uapi/linux/rseq.h
> create mode 100644 kernel/rseq.c
>

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>

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