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Re: [PATCH] powerpc: Call direct system calls for socket operations

Rajalakshmi Srinivasaraghavan <> writes:

> 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.
> 2015-07-01  Rajalakshmi Srinivasaraghavan  <>
> 	* sysdeps/unix/sysv/linux/powerpc/kernel-features.h: Define new macros.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/accept.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/bind.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/connect.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/getpeername.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/getsockname.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/getsockopt.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/listen.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/recv.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/recvfrom.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/recvmsg.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/send.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/sendmsg.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/sendto.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/setsockopt.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/shutdown.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.c: New file.
> 	* sysdeps/unix/sysv/linux/powerpc/powerpc64/socketpair.c: New file.

IMHO it would make sense to put these checks directly in
sysdeps/unix/sysv/linux/accept.c etc, since other architectures are
expected to follow.


Andreas Schwab, SUSE Labs,
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

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