----- On May 16, 2018, at 12:24 PM, Peter Zijlstra [email protected] wrote:
> 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) <[email protected]> Thanks Peter ! Mathieu -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com
