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This is a generic requirement, so make inet_ctl_sock_create namespace
aware and create a inet_ctl_sock_destroy wrapper around
sk_release_kernel.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All upper protocol layers are already use sock internally.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This call is nothing common with INET connection sockets code. It
simply creates an unhashes kernel sockets for protocol messages.
Move the new call into af_inet.c after the rename.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I noticed that some of 'struct proto_ops' used in the kernel may share
a cache line used by locks or other heavily modified data. (default
linker alignement is 32 bytes, and L1_CACHE_LINE is 64 or 128 at
least)
This patch makes sure a 'struct proto_ops' can be declared as const,
so that all cpus can share all parts of it without false sharing.
This is not mandatory : a driver can still use a read/write structure
if it needs to (and eventually a __read_mostly)
I made a global stubstitute to change all existing occurences to make
them const.
This should reduce the possibility of false sharing on SMP, and
speedup some socket system calls.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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inet_recvmsg, inet_setsockopt, inet_getsockopt and inet_sock_release are
already shared with ipv6 and sctp, will be used as well by the poor cousins,
so reflect this properly renaming them to sock_common_NAME and move them to
net/core/sock.c
Signed-off-by: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Signed-off-by: David S. Miller <davem@redhat.com>
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optval (and in case of getsockopt - optlen) made __user, changes
percolated down into the instances.
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compat syscalls.
1) Pull scm argument from sendmsg/recvmsg, it is available
from I/O control block
2) Consolidate networking syscall compat call into net/compat.c
3) Change ops->{sendmsg,recvmsg}() code sequences into sock_{sendmsg,recvmsg}()
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into home.transmeta.com:/home/torvalds/v2.5/sigio
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This is a cleanup of the sigio/sigurg code.
Summary:
o Removed sk->proc, SIGURG now sent via vfs, credentials checked
during delivery.
o SIOCSPGRP etc. ioctls use vfs, and work now for SIGIO as well
as SIGURG.
o Removed socket fcntl code.
o Consolidate lsm file_set_fowner() hooks.
o Fixed fowner race.
o Fixed associated mainline memory leak in fcntl_dirnotify().
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