[PATCHv2] Call direct system calls for socket operations

[Rajalakshmi Srinivasaraghavan]

Ping! [for release 2.23]

On 07/02/2015 03:23 PM, Rajalakshmi Srinivasaraghavan wrote:
> Explicit system calls for the socket operations were added in Linux kernel
> in commit 86250b9d12ca for powerpc. This patch make use of those instead of
> calling socketcall to save number of cycles on networking syscalls.
>
> 2015-07-02  Rajalakshmi Srinivasaraghavan  <raji@linux.vnet.ibm.com>
>
> 	* sysdeps/unix/sysv/linux/powerpc/kernel-features.h: Define new macros.
> 	* sysdeps/unix/sysv/linux/accept.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/bind.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/connect.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/getpeername.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/getsockname.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/getsockopt.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/listen.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/recv.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/recvfrom.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/recvmsg.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/send.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/sendmsg.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/sendto.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/setsockopt.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/shutdown.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/socket.c: Call direct system call.
> 	* sysdeps/unix/sysv/linux/socketpair.c: Call direct system call.