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Arnaldo Carvalho de Melo a2e2725541 net: Introduce recvmmsg socket syscall ... Meaning receive multiple messages, reducing the number of syscalls and net stack entry/exit operations. Next patches will introduce mechanisms where protocols that want to optimize this operation will provide an unlocked_recvmsg operation. This takes into account comments made by: . Paul Moore: sock_recvmsg is called only for the first datagram, sock_recvmsg_nosec is used for the rest. . Caitlin Bestler: recvmmsg now has a struct timespec timeout, that works in the same fashion as the ppoll one. If the underlying protocol returns a datagram with MSG_OOB set, this will make recvmmsg return right away with as many datagrams (+ the OOB one) it has received so far. . Rémi Denis-Courmont & Steven Whitehouse: If we receive N < vlen datagrams and then recvmsg returns an error, recvmmsg will return the successfully received datagrams, store the error and return it in the next call. This paves the way for a subsequent optimization, sk_prot->unlocked_recvmsg, where we will be able to acquire the lock only at batch start and end, not at every underlying recvmsg call. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>		16 years ago
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boot	…
configs	xtensa: enable m41t80 driver in s6105_defconfig	16 years ago
include/asm	net: Introduce recvmmsg socket syscall	16 years ago
kernel	xtensa: Cleanup linker script using new linker script macros.	16 years ago
lib	…
mm	arches: drop superfluous casts in nr_free_pages() callers	16 years ago
platforms	net: convert remaining non-symbolic return values in ndo_start_xmit() functions	16 years ago
variants	xtensa: support s6000 gpio irqs and alternate function selection	16 years ago
Kconfig	…
Kconfig.debug	…
Makefile	…