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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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.gitignore	…
Makefile	alpha: binfmt_aout fix	16 years ago
alpha_ksyms.c	…
asm-offsets.c	…
binfmt_loader.c	alpha: binfmt_aout fix	16 years ago
console.c	…
core_apecs.c	…
core_cia.c	…
core_irongate.c	…
core_lca.c	…
core_marvel.c	alpha: AGP update (fixes compile failure)	16 years ago
core_mcpcia.c	…
core_polaris.c	…
core_t2.c	…
core_titan.c	alpha: AGP update (fixes compile failure)	16 years ago
core_tsunami.c	…
core_wildfire.c	…
entry.S	…
err_common.c	…
err_ev6.c	alpha: titan and marvel build fixes	16 years ago
err_ev7.c	alpha: titan and marvel build fixes	16 years ago
err_impl.h	alpha: titan and marvel build fixes	16 years ago
err_marvel.c	alpha: titan and marvel build fixes	16 years ago
err_titan.c	alpha: titan and marvel build fixes	16 years ago
es1888.c	…
gct.c	…
head.S	alpha: convert to use __HEAD and HEAD_TEXT macros.	16 years ago
init_task.c	alpha: use .data.init_task instead of .data.init_thread.	16 years ago
io.c	…
irq.c	…
irq_alpha.c	alpha: remove obsolete hw_interrupt_type	16 years ago
irq_i8259.c	alpha: remove obsolete hw_interrupt_type	16 years ago
irq_impl.h	alpha: remove obsolete hw_interrupt_type	16 years ago
irq_pyxis.c	alpha: remove obsolete hw_interrupt_type	16 years ago
irq_srm.c	alpha: remove obsolete hw_interrupt_type	16 years ago
machvec_impl.h	…
module.c	…
ns87312.c	…
osf_sys.c	Push BKL into do_mount()	16 years ago
pci-noop.c	…
pci-sysfs.c	…
pci.c	alpha: convert u64 to unsigned long long	16 years ago
pci_impl.h	alpha: AGP update (fixes compile failure)	16 years ago
pci_iommu.c	alpha: AGP update (fixes compile failure)	16 years ago
process.c	headers: utsname.h redux	16 years ago
proto.h	alpha: titan and marvel build fixes	16 years ago
ptrace.c	headers: smp_lock.h redux	16 years ago
setup.c	alpha: bad macro expansion, parameter is member	16 years ago
signal.c	KEYS: Add missing linux/tracehook.h #inclusions	16 years ago
smc37c93x.c	…
smc37c669.c	alpha: convert u64 to unsigned long long	16 years ago
smp.c	cpumask: arch_send_call_function_ipi_mask: alpha	16 years ago
srm_env.c	…
srmcons.c	…
sys_alcor.c	alpha: remove obsolete hw_interrupt_type	16 years ago
sys_cabriolet.c	alpha: remove obsolete hw_interrupt_type	16 years ago
sys_dp264.c	alpha: remove obsolete hw_interrupt_type	16 years ago
sys_eb64p.c	alpha: remove obsolete hw_interrupt_type	16 years ago
sys_eiger.c	alpha: remove obsolete hw_interrupt_type	16 years ago
sys_jensen.c	alpha: remove obsolete hw_interrupt_type	16 years ago
sys_marvel.c	alpha: remove obsolete hw_interrupt_type	16 years ago
sys_miata.c	…
sys_mikasa.c	alpha: remove obsolete hw_interrupt_type	16 years ago
sys_nautilus.c	…
sys_noritake.c	alpha: remove obsolete hw_interrupt_type	16 years ago
sys_rawhide.c	alpha: remove obsolete hw_interrupt_type	16 years ago
sys_ruffian.c	time: move PIT_TICK_RATE to linux/timex.h	16 years ago
sys_rx164.c	alpha: remove obsolete hw_interrupt_type	16 years ago
sys_sable.c	alpha: remove obsolete hw_interrupt_type	16 years ago
sys_sio.c	…
sys_sx164.c	…
sys_takara.c	alpha: remove obsolete hw_interrupt_type	16 years ago
sys_titan.c	alpha: remove obsolete hw_interrupt_type	16 years ago
sys_wildfire.c	alpha: remove obsolete hw_interrupt_type	16 years ago
systbls.S	net: Introduce recvmmsg socket syscall	16 years ago
time.c	alpha: convert to use arch_gettimeoffset()	16 years ago
traps.c	alpha: convert u64 to unsigned long long	16 years ago
vmlinux.lds.S	alpha: Fix duplicate <asm/thread_info.h> include	16 years ago