[PATCH v2 0/2] arm64: Unimplemented syscall kernel message

Will Deacon will.deacon at arm.com
Mon Feb 19 07:39:35 PST 2018


Hi Michael,

On Thu, Feb 01, 2018 at 11:13:35PM +0100, Michael Weiser wrote:
> I've dropped the message from the compat change, which makes it much
> more straight-forward. We are still dropping the offending log message
> from do_ni_syscall(). The second change now just mirrors the part of arm
> behaviour in compat_arm_syscall() that raises SIGILL for (most)
> unimplemented syscalls. Finally show_unhandled_signals is disabled by
> default.
> 
> All are compile-tested as well as manually prodded with some randomly
> chosen syscall numbers from aarch64 and arm-eabi binaries while running
> under qemu-system-aarch64. New show_unhandled_signals defaults and
> enabling via /proc/sys have been tested with a minimal segfaulting test
> program.

Thanks, I'll pick these up for 4.17.

Will



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