[PATCHv4] Call direct system calls for socket operations

[Tulio Magno Quites Machado Filho]

Steven Munroe <munroesj@linux.vnet.ibm.com> writes:

> On Fri, 2015-08-14 at 11:42 +0530, 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.
>> 
>> 2015-08-14  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.
>> ---
>
> LGTM

I see we have a green flag for this patch on POWER.

Andreas, any other comments?

-- 
Tulio Magno