[PATCH v2 1/3] arm64: rseq: Implement backend rseq calls and select HAVE_RSEQ

Implement calls to rseq_signal_deliver, rseq_handle_notify_resume and rseq_syscall so that we can select HAVE_RSEQ on arm64. Acked-by: Mark Rutland Signed-off-by: Will Deacon --- arch/arm64/Kconfig| 1 + arch/arm64/include/asm/unistd.h | 2 +-

[PATCH v2 1/3] arm64: rseq: Implement backend rseq calls and select HAVE_RSEQ

Implement calls to rseq_signal_deliver, rseq_handle_notify_resume and rseq_syscall so that we can select HAVE_RSEQ on arm64. Acked-by: Mark Rutland Signed-off-by: Will Deacon --- arch/arm64/Kconfig| 1 + arch/arm64/include/asm/unistd.h | 2 +-