Re: sys_recvmmsg: wire up or not?

[David Miller]

From: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Date: Thu, 14 Jan 2010 15:20:33 +1100

> Anything happening here ? We're getting that warning on ppc too despite
> the fact that we use socketcall like x86... Should checksyscall be made
> smarter or the syscall just removed from x86 ? :-)

I think it's better to trap directly to the system call rather
than going through yet another demultiplexer.

I severely regretted using sys_socketcall initially on sparc32
because it added a few microseconds to socket syscall latency
(cpus back then were slow :-)
--
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/