Re: [RFC] ptrace: add generic SET_SYSCALL request

From: Arnd Bergmann
Date: Fri Nov 07 2014 - 09:31:21 EST


On Friday 07 November 2014 13:11:30 Will Deacon wrote:
>
> > It's not that I care strongly about the interface, my main point is
> > that the changelog doesn't describe why one interface was used instead
> > the other.
>
> I suspect the current approach was taken because it follows the same scheme
> as 32-bit ARM. If both methods are sufficient (Kees would have a better idea
> than me on that), then I don't have a strong preference.

Using the regset would probably address Oleg's comment, and would keep the
implementation architecture specific. You could even share the NT_S390_SYSTEM_CALL
number, but I don't know if there any downsides to doing that.

Arnd
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/