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>		2009-10-12 23:40:10 -07:00
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.gitignore
alpha_ksyms.c
asm-offsets.c
binfmt_loader.c
console.c
core_apecs.c
core_cia.c
core_irongate.c
core_lca.c
core_marvel.c	alpha: AGP update (fixes compile failure)	2009-09-24 07:21:06 -07:00
core_mcpcia.c
core_polaris.c
core_t2.c
core_titan.c	alpha: AGP update (fixes compile failure)	2009-09-24 07:21:06 -07:00
core_tsunami.c
core_wildfire.c
entry.S
err_common.c
err_ev6.c
err_ev7.c
err_impl.h
err_marvel.c
err_titan.c
es1888.c
gct.c
head.S
init_task.c	alpha: use .data.init_task instead of .data.init_thread.	2009-09-24 17:16:22 -07:00
io.c
irq_alpha.c
irq_i8259.c
irq_impl.h
irq_pyxis.c
irq_srm.c
irq.c
machvec_impl.h
Makefile
module.c
ns87312.c
osf_sys.c
pci_impl.h	alpha: AGP update (fixes compile failure)	2009-09-24 07:21:06 -07:00
pci_iommu.c	alpha: AGP update (fixes compile failure)	2009-09-24 07:21:06 -07:00
pci-noop.c
pci-sysfs.c
pci.c
process.c	headers: utsname.h redux	2009-09-23 18:13:10 -07:00
proto.h
ptrace.c
setup.c
signal.c
smc37c93x.c
smc37c669.c
smp.c	cpumask: arch_send_call_function_ipi_mask: alpha	2009-09-24 09:34:43 +09:30
srm_env.c
srmcons.c
sys_alcor.c
sys_cabriolet.c
sys_dp264.c
sys_eb64p.c
sys_eiger.c
sys_jensen.c
sys_marvel.c
sys_miata.c
sys_mikasa.c
sys_nautilus.c
sys_noritake.c
sys_rawhide.c
sys_ruffian.c
sys_rx164.c
sys_sable.c
sys_sio.c
sys_sx164.c
sys_takara.c
sys_titan.c
sys_wildfire.c
systbls.S	net: Introduce recvmmsg socket syscall	2009-10-12 23:40:10 -07:00
time.c	alpha: convert to use arch_gettimeoffset()	2009-09-22 07:17:43 -07:00
traps.c
vmlinux.lds.S	alpha: Fix duplicate <asm/thread_info.h> include	2009-09-27 14:46:05 -07:00