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* net: Convert uses of typedef ctl_table to struct ctl_tableJoe Perches2013-06-133-3/+3
| | | | | | | | | | | | | | | | Reduce the uses of this unnecessary typedef. Done via perl script: $ git grep --name-only -w ctl_table net | \ xargs perl -p -i -e '\ sub trim { my ($local) = @_; $local =~ s/(^\s+|\s+$)//g; return $local; } \ s/\b(?<!struct\s)ctl_table\b(\s*\*\s*|\s+\w+)/"struct ctl_table " . trim($1)/ge' Reflow the modified lines that now exceed 80 columns. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net/rds: zero last byte for strncpyChen Gang2013-03-081-0/+1
| | | | | | | | | | | | for NUL terminated string, need be always sure '\0' in the end. additional info: strncpy will pads with zeroes to the end of the given buffer. should initialise every bit of memory that is going to be copied to userland Signed-off-by: Chen Gang <gang.chen@asianux.com> Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds2013-03-051-4/+4
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking fixes from David Miller: "A moderately sized pile of fixes, some specifically for merge window introduced regressions although others are for longer standing items and have been queued up for -stable. I'm kind of tired of all the RDS protocol bugs over the years, to be honest, it's way out of proportion to the number of people who actually use it. 1) Fix missing range initialization in netfilter IPSET, from Jozsef Kadlecsik. 2) ieee80211_local->tim_lock needs to use BH disabling, from Johannes Berg. 3) Fix DMA syncing in SFC driver, from Ben Hutchings. 4) Fix regression in BOND device MAC address setting, from Jiri Pirko. 5) Missing usb_free_urb in ISDN Hisax driver, from Marina Makienko. 6) Fix UDP checksumming in bnx2x driver for 57710 and 57711 chips, fix from Dmitry Kravkov. 7) Missing cfgspace_lock initialization in BCMA driver. 8) Validate parameter size for SCTP assoc stats getsockopt(), from Guenter Roeck. 9) Fix SCTP association hangs, from Lee A Roberts. 10) Fix jumbo frame handling in r8169, from Francois Romieu. 11) Fix phy_device memory leak, from Petr Malat. 12) Omit trailing FCS from frames received in BGMAC driver, from Hauke Mehrtens. 13) Missing socket refcount release in L2TP, from Guillaume Nault. 14) sctp_endpoint_init should respect passed in gfp_t, rather than use GFP_KERNEL unconditionally. From Dan Carpenter. 15) Add AISX AX88179 USB driver, from Freddy Xin. 16) Remove MAINTAINERS entries for drivers deleted during the merge window, from Cesar Eduardo Barros. 17) RDS protocol can try to allocate huge amounts of memory, check that the user's request length makes sense, from Cong Wang. 18) SCTP should use the provided KMALLOC_MAX_SIZE instead of it's own, bogus, definition. From Cong Wang. 19) Fix deadlocks in FEC driver by moving TX reclaim into NAPI poll, from Frank Li. Also, fix a build error introduced in the merge window. 20) Fix bogus purging of default routes in ipv6, from Lorenzo Colitti. 21) Don't double count RTT measurements when we leave the TCP receive fast path, from Neal Cardwell." * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (61 commits) tcp: fix double-counted receiver RTT when leaving receiver fast path CAIF: fix sparse warning for caif_usb rds: simplify a warning message net: fec: fix build error in no MXC platform net: ipv6: Don't purge default router if accept_ra=2 net: fec: put tx to napi poll function to fix dead lock sctp: use KMALLOC_MAX_SIZE instead of its own MAX_KMALLOC_SIZE rds: limit the size allocated by rds_message_alloc() MAINTAINERS: remove eexpress MAINTAINERS: remove drivers/net/wan/cycx* MAINTAINERS: remove 3c505 caif_dev: fix sparse warnings for caif_flow_cb ax88179_178a: ASIX AX88179_178A USB 3.0/2.0 to gigabit ethernet adapter driver sctp: use the passed in gfp flags instead GFP_KERNEL ipv[4|6]: correct dropwatch false positive in local_deliver_finish l2tp: Restore socket refcount when sendmsg succeeds net/phy: micrel: Disable asymmetric pause for KSZ9021 bgmac: omit the fcs phy: Fix phy_device_free memory leak bnx2x: Fix KR2 work-around condition ...
| * rds: simplify a warning messageCong Wang2013-03-041-4/+1
| | | | | | | | | | | | | | Cc: David S. Miller <davem@davemloft.net> Cc: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * rds: limit the size allocated by rds_message_alloc()Cong Wang2013-03-041-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Dave Jones reported the following bug: "When fed mangled socket data, rds will trust what userspace gives it, and tries to allocate enormous amounts of memory larger than what kmalloc can satisfy." WARNING: at mm/page_alloc.c:2393 __alloc_pages_nodemask+0xa0d/0xbe0() Hardware name: GA-MA78GM-S2H Modules linked in: vmw_vsock_vmci_transport vmw_vmci vsock fuse bnep dlci bridge 8021q garp stp mrp binfmt_misc l2tp_ppp l2tp_core rfcomm s Pid: 24652, comm: trinity-child2 Not tainted 3.8.0+ #65 Call Trace: [<ffffffff81044155>] warn_slowpath_common+0x75/0xa0 [<ffffffff8104419a>] warn_slowpath_null+0x1a/0x20 [<ffffffff811444ad>] __alloc_pages_nodemask+0xa0d/0xbe0 [<ffffffff8100a196>] ? native_sched_clock+0x26/0x90 [<ffffffff810b2128>] ? trace_hardirqs_off_caller+0x28/0xc0 [<ffffffff810b21cd>] ? trace_hardirqs_off+0xd/0x10 [<ffffffff811861f8>] alloc_pages_current+0xb8/0x180 [<ffffffff8113eaaa>] __get_free_pages+0x2a/0x80 [<ffffffff811934fe>] kmalloc_order_trace+0x3e/0x1a0 [<ffffffff81193955>] __kmalloc+0x2f5/0x3a0 [<ffffffff8104df0c>] ? local_bh_enable_ip+0x7c/0xf0 [<ffffffffa0401ab3>] rds_message_alloc+0x23/0xb0 [rds] [<ffffffffa04043a1>] rds_sendmsg+0x2b1/0x990 [rds] [<ffffffff810b21cd>] ? trace_hardirqs_off+0xd/0x10 [<ffffffff81564620>] sock_sendmsg+0xb0/0xe0 [<ffffffff810b2052>] ? get_lock_stats+0x22/0x70 [<ffffffff810b24be>] ? put_lock_stats.isra.23+0xe/0x40 [<ffffffff81567f30>] sys_sendto+0x130/0x180 [<ffffffff810b872d>] ? trace_hardirqs_on+0xd/0x10 [<ffffffff816c547b>] ? _raw_spin_unlock_irq+0x3b/0x60 [<ffffffff816cd767>] ? sysret_check+0x1b/0x56 [<ffffffff810b8695>] ? trace_hardirqs_on_caller+0x115/0x1a0 [<ffffffff81341d8e>] ? trace_hardirqs_on_thunk+0x3a/0x3f [<ffffffff816cd742>] system_call_fastpath+0x16/0x1b ---[ end trace eed6ae990d018c8b ]--- Reported-by: Dave Jones <davej@redhat.com> Cc: Dave Jones <davej@redhat.com> Cc: David S. Miller <davem@davemloft.net> Cc: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> Signed-off-by: Cong Wang <amwang@redhat.com> Acked-by: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | hlist: drop the node parameter from iteratorsSasha Levin2013-02-272-8/+4
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I'm not sure why, but the hlist for each entry iterators were conceived list_for_each_entry(pos, head, member) The hlist ones were greedy and wanted an extra parameter: hlist_for_each_entry(tpos, pos, head, member) Why did they need an extra pos parameter? I'm not quite sure. Not only they don't really need it, it also prevents the iterator from looking exactly like the list iterator, which is unfortunate. Besides the semantic patch, there was some manual work required: - Fix up the actual hlist iterators in linux/list.h - Fix up the declaration of other iterators based on the hlist ones. - A very small amount of places were using the 'node' parameter, this was modified to use 'obj->member' instead. - Coccinelle didn't handle the hlist_for_each_entry_safe iterator properly, so those had to be fixed up manually. The semantic patch which is mostly the work of Peter Senna Tschudin is here: @@ iterator name hlist_for_each_entry, hlist_for_each_entry_continue, hlist_for_each_entry_from, hlist_for_each_entry_rcu, hlist_for_each_entry_rcu_bh, hlist_for_each_entry_continue_rcu_bh, for_each_busy_worker, ax25_uid_for_each, ax25_for_each, inet_bind_bucket_for_each, sctp_for_each_hentry, sk_for_each, sk_for_each_rcu, sk_for_each_from, sk_for_each_safe, sk_for_each_bound, hlist_for_each_entry_safe, hlist_for_each_entry_continue_rcu, nr_neigh_for_each, nr_neigh_for_each_safe, nr_node_for_each, nr_node_for_each_safe, for_each_gfn_indirect_valid_sp, for_each_gfn_sp, for_each_host; type T; expression a,c,d,e; identifier b; statement S; @@ -T b; <+... when != b ( hlist_for_each_entry(a, - b, c, d) S | hlist_for_each_entry_continue(a, - b, c) S | hlist_for_each_entry_from(a, - b, c) S | hlist_for_each_entry_rcu(a, - b, c, d) S | hlist_for_each_entry_rcu_bh(a, - b, c, d) S | hlist_for_each_entry_continue_rcu_bh(a, - b, c) S | for_each_busy_worker(a, c, - b, d) S | ax25_uid_for_each(a, - b, c) S | ax25_for_each(a, - b, c) S | inet_bind_bucket_for_each(a, - b, c) S | sctp_for_each_hentry(a, - b, c) S | sk_for_each(a, - b, c) S | sk_for_each_rcu(a, - b, c) S | sk_for_each_from -(a, b) +(a) S + sk_for_each_from(a) S | sk_for_each_safe(a, - b, c, d) S | sk_for_each_bound(a, - b, c) S | hlist_for_each_entry_safe(a, - b, c, d, e) S | hlist_for_each_entry_continue_rcu(a, - b, c) S | nr_neigh_for_each(a, - b, c) S | nr_neigh_for_each_safe(a, - b, c, d) S | nr_node_for_each(a, - b, c) S | nr_node_for_each_safe(a, - b, c, d) S | - for_each_gfn_sp(a, c, d, b) S + for_each_gfn_sp(a, c, d) S | - for_each_gfn_indirect_valid_sp(a, c, d, b) S + for_each_gfn_indirect_valid_sp(a, c, d) S | for_each_host(a, - b, c) S | for_each_host_safe(a, - b, c, d) S | for_each_mesh_entry(a, - b, c, d) S ) ...+> [akpm@linux-foundation.org: drop bogus change from net/ipv4/raw.c] [akpm@linux-foundation.org: drop bogus hunk from net/ipv6/raw.c] [akpm@linux-foundation.org: checkpatch fixes] [akpm@linux-foundation.org: fix warnings] [akpm@linux-foudnation.org: redo intrusive kvm changes] Tested-by: Peter Senna Tschudin <peter.senna@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Cc: Wu Fengguang <fengguang.wu@intel.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Gleb Natapov <gleb@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* net/rds: remove depends on CONFIG_EXPERIMENTALKees Cook2013-01-111-2/+2
| | | | | | | | | | | | The CONFIG_EXPERIMENTAL config item has not carried much meaning for a while now and is almost always enabled by default. As agreed during the Linux kernel summit, remove it from any "depends on" lines in Kconfigs. CC: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> CC: "David S. Miller" <davem@davemloft.net> Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> Acked-by: David S. Miller <davem@davemloft.net>
* IB/rds: suppress incompatible protocol when version is knownMarciniszyn, Mike2012-12-261-6/+5
| | | | | | | | Add an else to only print the incompatible protocol message when version hasn't been established. Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* IB/rds: Correct ib_api use with gs_dma_address/sg_dma_lenMarciniszyn, Mike2012-12-261-3/+6
| | | | | | | | | | | | 0b088e00 ("RDS: Use page_remainder_alloc() for recv bufs") added uses of sg_dma_len() and sg_dma_address(). This makes RDS DOA with the qib driver. IB ulps should use ib_sg_dma_len() and ib_sg_dma_address respectively since some HCAs overload ib_sg_dma* operations. Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: rds: use this_cpu_* per-cpu helperShan Wei2012-11-192-12/+14
| | | | | | Signed-off-by: Shan Wei <davidshan@tencent.com> Reviewed-by: Christoph Lameter <cl@linux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* RDS: fix rds-ping spinlock recursionjeff.liu2012-10-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | This is the revised patch for fixing rds-ping spinlock recursion according to Venkat's suggestions. RDS ping/pong over TCP feature has been broken for years(2.6.39 to 3.6.0) since we have to set TCP cork and call kernel_sendmsg() between ping/pong which both need to lock "struct sock *sk". However, this lock has already been hold before rds_tcp_data_ready() callback is triggerred. As a result, we always facing spinlock resursion which would resulting in system panic. Given that RDS ping is only used to test the connectivity and not for serious performance measurements, we can queue the pong transmit to rds_wq as a delayed response. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> CC: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> CC: David S. Miller <davem@davemloft.net> CC: James Morris <james.l.morris@oracle.com> Signed-off-by: Jie Liu <jeff.liu@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rds: Don't disable BH on BH contextYing Xue2012-08-224-8/+8
| | | | | | | | | Since we have already in BH context when *_write_space(), *_data_ready() as well as *_state_change() are called, it's unnecessary to disable BH. Signed-off-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rds: set correct msg_namelenWeiping Pan2012-07-231-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Jay Fenlason (fenlason@redhat.com) found a bug, that recvfrom() on an RDS socket can return the contents of random kernel memory to userspace if it was called with a address length larger than sizeof(struct sockaddr_in). rds_recvmsg() also fails to set the addr_len paramater properly before returning, but that's just a bug. There are also a number of cases wher recvfrom() can return an entirely bogus address. Anything in rds_recvmsg() that returns a non-negative value but does not go through the "sin = (struct sockaddr_in *)msg->msg_name;" code path at the end of the while(1) loop will return up to 128 bytes of kernel memory to userspace. And I write two test programs to reproduce this bug, you will see that in rds_server, fromAddr will be overwritten and the following sock_fd will be destroyed. Yes, it is the programmer's fault to set msg_namelen incorrectly, but it is better to make the kernel copy the real length of address to user space in such case. How to run the test programs ? I test them on 32bit x86 system, 3.5.0-rc7. 1 compile gcc -o rds_client rds_client.c gcc -o rds_server rds_server.c 2 run ./rds_server on one console 3 run ./rds_client on another console 4 you will see something like: server is waiting to receive data... old socket fd=3 server received data from client:data from client msg.msg_namelen=32 new socket fd=-1067277685 sendmsg() : Bad file descriptor /***************** rds_client.c ********************/ int main(void) { int sock_fd; struct sockaddr_in serverAddr; struct sockaddr_in toAddr; char recvBuffer[128] = "data from client"; struct msghdr msg; struct iovec iov; sock_fd = socket(AF_RDS, SOCK_SEQPACKET, 0); if (sock_fd < 0) { perror("create socket error\n"); exit(1); } memset(&serverAddr, 0, sizeof(serverAddr)); serverAddr.sin_family = AF_INET; serverAddr.sin_addr.s_addr = inet_addr("127.0.0.1"); serverAddr.sin_port = htons(4001); if (bind(sock_fd, (struct sockaddr*)&serverAddr, sizeof(serverAddr)) < 0) { perror("bind() error\n"); close(sock_fd); exit(1); } memset(&toAddr, 0, sizeof(toAddr)); toAddr.sin_family = AF_INET; toAddr.sin_addr.s_addr = inet_addr("127.0.0.1"); toAddr.sin_port = htons(4000); msg.msg_name = &toAddr; msg.msg_namelen = sizeof(toAddr); msg.msg_iov = &iov; msg.msg_iovlen = 1; msg.msg_iov->iov_base = recvBuffer; msg.msg_iov->iov_len = strlen(recvBuffer) + 1; msg.msg_control = 0; msg.msg_controllen = 0; msg.msg_flags = 0; if (sendmsg(sock_fd, &msg, 0) == -1) { perror("sendto() error\n"); close(sock_fd); exit(1); } printf("client send data:%s\n", recvBuffer); memset(recvBuffer, '\0', 128); msg.msg_name = &toAddr; msg.msg_namelen = sizeof(toAddr); msg.msg_iov = &iov; msg.msg_iovlen = 1; msg.msg_iov->iov_base = recvBuffer; msg.msg_iov->iov_len = 128; msg.msg_control = 0; msg.msg_controllen = 0; msg.msg_flags = 0; if (recvmsg(sock_fd, &msg, 0) == -1) { perror("recvmsg() error\n"); close(sock_fd); exit(1); } printf("receive data from server:%s\n", recvBuffer); close(sock_fd); return 0; } /***************** rds_server.c ********************/ int main(void) { struct sockaddr_in fromAddr; int sock_fd; struct sockaddr_in serverAddr; unsigned int addrLen; char recvBuffer[128]; struct msghdr msg; struct iovec iov; sock_fd = socket(AF_RDS, SOCK_SEQPACKET, 0); if(sock_fd < 0) { perror("create socket error\n"); exit(0); } memset(&serverAddr, 0, sizeof(serverAddr)); serverAddr.sin_family = AF_INET; serverAddr.sin_addr.s_addr = inet_addr("127.0.0.1"); serverAddr.sin_port = htons(4000); if (bind(sock_fd, (struct sockaddr*)&serverAddr, sizeof(serverAddr)) < 0) { perror("bind error\n"); close(sock_fd); exit(1); } printf("server is waiting to receive data...\n"); msg.msg_name = &fromAddr; /* * I add 16 to sizeof(fromAddr), ie 32, * and pay attention to the definition of fromAddr, * recvmsg() will overwrite sock_fd, * since kernel will copy 32 bytes to userspace. * * If you just use sizeof(fromAddr), it works fine. * */ msg.msg_namelen = sizeof(fromAddr) + 16; /* msg.msg_namelen = sizeof(fromAddr); */ msg.msg_iov = &iov; msg.msg_iovlen = 1; msg.msg_iov->iov_base = recvBuffer; msg.msg_iov->iov_len = 128; msg.msg_control = 0; msg.msg_controllen = 0; msg.msg_flags = 0; while (1) { printf("old socket fd=%d\n", sock_fd); if (recvmsg(sock_fd, &msg, 0) == -1) { perror("recvmsg() error\n"); close(sock_fd); exit(1); } printf("server received data from client:%s\n", recvBuffer); printf("msg.msg_namelen=%d\n", msg.msg_namelen); printf("new socket fd=%d\n", sock_fd); strcat(recvBuffer, "--data from server"); if (sendmsg(sock_fd, &msg, 0) == -1) { perror("sendmsg()\n"); close(sock_fd); exit(1); } } close(sock_fd); return 0; } Signed-off-by: Weiping Pan <wpan@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Fix (nearly-)kernel-doc comments for various functionsBen Hutchings2012-07-101-4/+5
| | | | | | | | Fix incorrect start markers, wrapped summary lines, missing section breaks, incorrect separators, and some name mismatches. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rds_rdma: don't assume infiniband device is PCIThadeu Lima de Souza Cascardo2012-05-291-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | RDS code assumes that the struct ib_device dma_device member, which is a pointer, points to a struct device embedded in a struct pci_dev. This is not the case for ehca, for example, which is a OF driver, and makes dma_device point to a struct device embedded in a struct platform_device. This will make the system crash when rds_rdma is loaded in a system with ehca, since it will try to access the bus member of a non-existent struct pci_dev. The only reason rds_rdma uses the struct pci_dev is to get the NUMA node the device is attached to. Using dev_to_node for that is much better, since it won't assume which bus the infiniband is attached to. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Cc: dledford@redhat.com Cc: Jes.Sorensen@redhat.com Cc: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> Acked-by: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sock: Introduce named constants for sk_reusePavel Emelyanov2012-04-211-1/+1
| | | | | | | | | Name them in a "backward compatible" manner, i.e. reuse or not are still 1 and 0 respectively. The reuse value of 2 means that the socket with it will forcibly reuse everyone else's port. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Convert all sysctl registrations to register_net_sysctlEric W. Biederman2012-04-203-24/+3
| | | | | | | | | | | | This results in code with less boiler plate that is a bit easier to read. Additionally stops us from using compatibility code in the sysctl core, hastening the day when the compatibility code can be removed. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Move all of the network sysctls without a namespace into init_net.Eric W. Biederman2012-04-203-6/+6
| | | | | | | | | | | | | | | | This makes it clearer which sysctls are relative to your current network namespace. This makes it a little less error prone by not exposing sysctls for the initial network namespace in other namespaces. This is the same way we handle all of our other network interfaces to userspace and I can't honestly remember why we didn't do this for sysctls right from the start. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* RDS: use gfp flags from caller in conn_alloc()Dan Carpenter2012-03-223-3/+3
| | | | | | | | | | | We should be using the gfp flags the caller specified here, instead of GFP_KERNEL. I think this might be a bugfix, depending on the value of "sock->sk->sk_allocation" when we call rds_conn_create_outgoing() in rds_sendmsg(). Otherwise, it's just a cleanup. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'kmap_atomic' of git://github.com/congwang/linuxLinus Torvalds2012-03-217-21/+16
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull kmap_atomic cleanup from Cong Wang. It's been in -next for a long time, and it gets rid of the (no longer used) second argument to k[un]map_atomic(). Fix up a few trivial conflicts in various drivers, and do an "evil merge" to catch some new uses that have come in since Cong's tree. * 'kmap_atomic' of git://github.com/congwang/linux: (59 commits) feature-removal-schedule.txt: schedule the deprecated form of kmap_atomic() for removal highmem: kill all __kmap_atomic() [swarren@nvidia.com: highmem: Fix ARM build break due to __kmap_atomic rename] drbd: remove the second argument of k[un]map_atomic() zcache: remove the second argument of k[un]map_atomic() gma500: remove the second argument of k[un]map_atomic() dm: remove the second argument of k[un]map_atomic() tomoyo: remove the second argument of k[un]map_atomic() sunrpc: remove the second argument of k[un]map_atomic() rds: remove the second argument of k[un]map_atomic() net: remove the second argument of k[un]map_atomic() mm: remove the second argument of k[un]map_atomic() lib: remove the second argument of k[un]map_atomic() power: remove the second argument of k[un]map_atomic() kdb: remove the second argument of k[un]map_atomic() udf: remove the second argument of k[un]map_atomic() ubifs: remove the second argument of k[un]map_atomic() squashfs: remove the second argument of k[un]map_atomic() reiserfs: remove the second argument of k[un]map_atomic() ocfs2: remove the second argument of k[un]map_atomic() ntfs: remove the second argument of k[un]map_atomic() ...
| * rds: remove the second argument of k[un]map_atomic()Cong Wang2012-03-207-21/+16
| | | | | | | | | | Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <amwang@redhat.com>
* | Merge branch 'for-linus' of ↵Linus Torvalds2012-03-202-2/+2
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial Pull trivial tree from Jiri Kosina: "It's indeed trivial -- mostly documentation updates and a bunch of typo fixes from Masanari. There are also several linux/version.h include removals from Jesper." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (101 commits) kcore: fix spelling in read_kcore() comment constify struct pci_dev * in obvious cases Revert "char: Fix typo in viotape.c" init: fix wording error in mm_init comment usb: gadget: Kconfig: fix typo for 'different' Revert "power, max8998: Include linux/module.h just once in drivers/power/max8998_charger.c" writeback: fix fn name in writeback_inodes_sb_nr_if_idle() comment header writeback: fix typo in the writeback_control comment Documentation: Fix multiple typo in Documentation tpm_tis: fix tis_lock with respect to RCU Revert "media: Fix typo in mixer_drv.c and hdmi_drv.c" Doc: Update numastat.txt qla4xxx: Add missing spaces to error messages compiler.h: Fix typo security: struct security_operations kerneldoc fix Documentation: broken URL in libata.tmpl Documentation: broken URL in filesystems.tmpl mtd: simplify return logic in do_map_probe() mm: fix comment typo of truncate_inode_pages_range power: bq27x00: Fix typos in comment ...
| * | rds: Fix typo in iw_recv.c and ib_recv.cMasanari Iida2012-02-092-2/+2
| |/ | | | | | | | | | | | | | | Correct spelling "inclue" to "include" in net/rds/iw_recv.c and net/rds/ib_recv.c Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | Remove printk from rds_sendmsgDave Jones2012-03-201-1/+0
|/ | | | | | | no socket layer outputs a message for this error and neither should rds. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rds: Make rds_sock_lock BH rather than IRQ safe.David S. Miller2012-01-241-12/+8
| | | | | | | | | | | | | | | | rds_sock_info() triggers locking warnings because we try to perform a local_bh_enable() (via sock_i_ino()) while hardware interrupts are disabled (via taking rds_sock_lock). There is no reason for rds_sock_lock to be a hardware IRQ disabling lock, none of these access paths run in hardware interrupt context. Therefore making it a BH disabling lock is safe and sufficient to fix this bug. Reported-by: Kumar Sanghvi <kumaras@chelsio.com> Reported-by: Josh Boyer <jwboyer@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* RDS: Remove some unused iWARP codeRoland Dreier2012-01-121-14/+1
| | | | | | | | rds_iw_flush_goal() just returns a count, but it is only called in one place and its return value is ignored there. So delete all the dead code. Signed-off-by: Roland Dreier <roland@purestorage.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rds: drop "select LLIST"Paul Bolle2011-11-141-1/+0
| | | | | | | | | | | | | Commit 1bc144b625 ("net, rds, Replace xlist in net/rds/xlist.h with llist") added "select LLIST" to the RDS_RDMA Kconfig entry. But there is no Kconfig symbol named LLIST. The select statement for that symbol is a nop. Drop it. lib/llist.o is builtin, so all that's needed to use the llist functionality is to include linux/llist.h, which this commit also did. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'modsplit-Oct31_2011' of ↵Linus Torvalds2011-11-0613-0/+14
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux * 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: (230 commits) Revert "tracing: Include module.h in define_trace.h" irq: don't put module.h into irq.h for tracking irqgen modules. bluetooth: macroize two small inlines to avoid module.h ip_vs.h: fix implicit use of module_get/module_put from module.h nf_conntrack.h: fix up fallout from implicit moduleparam.h presence include: replace linux/module.h with "struct module" wherever possible include: convert various register fcns to macros to avoid include chaining crypto.h: remove unused crypto_tfm_alg_modname() inline uwb.h: fix implicit use of asm/page.h for PAGE_SIZE pm_runtime.h: explicitly requires notifier.h linux/dmaengine.h: fix implicit use of bitmap.h and asm/page.h miscdevice.h: fix up implicit use of lists and types stop_machine.h: fix implicit use of smp.h for smp_processor_id of: fix implicit use of errno.h in include/linux/of.h of_platform.h: delete needless include <linux/module.h> acpi: remove module.h include from platform/aclinux.h miscdevice.h: delete unnecessary inclusion of module.h device_cgroup.h: delete needless include <linux/module.h> net: sch_generic remove redundant use of <linux/module.h> net: inet_timewait_sock doesnt need <linux/module.h> ... Fix up trivial conflicts (other header files, and removal of the ab3550 mfd driver) in - drivers/media/dvb/frontends/dibx000_common.c - drivers/media/video/{mt9m111.c,ov6650.c} - drivers/mfd/ab3550-core.c - include/linux/dmaengine.h
| * net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modulesPaul Gortmaker2011-10-319-0/+9
| | | | | | | | | | | | | | | | | | These files are non modular, but need to export symbols using the macros now living in export.h -- call out the include so that things won't break when we remove the implicit presence of module.h from everywhere. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
| * net: add moduleparam.h for users of module_param/MODULE_PARM_DESCPaul Gortmaker2011-10-311-0/+1
| | | | | | | | | | | | | | | | These files were getting access to these two via the implicit presence of module.h everywhere. They aren't modules, so they don't need the full module.h inclusion though. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
| * net: Fix files explicitly needing to include module.hPaul Gortmaker2011-10-314-0/+4
| | | | | | | | | | | | | | | | | | With calls to modular infrastructure, these files really needs the full module.h header. Call it out so some of the cleanups of implicit and unrequired includes elsewhere can be cleaned up. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* | treewide: use __printf not __attribute__((format(printf,...)))Joe Perches2011-10-311-4/+4
|/ | | | | | | | | | | | | | | | | Standardize the style for compiler based printf format verification. Standardized the location of __printf too. Done via script and a little typing. $ grep -rPl --include=*.[ch] -w "__attribute__" * | \ grep -vP "^(tools|scripts|include/linux/compiler-gcc.h)" | \ xargs perl -n -i -e 'local $/; while (<>) { s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(.+)\s*,\s*(.+)\s*\)\s*\)\s*\)/__printf($1, $2)/g ; print; }' [akpm@linux-foundation.org: revert arch bits] Signed-off-by: Joe Perches <joe@perches.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds2011-10-253-141/+52
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1745 commits) dp83640: free packet queues on remove dp83640: use proper function to free transmit time stamping packets ipv6: Do not use routes from locally generated RAs |PATCH net-next] tg3: add tx_dropped counter be2net: don't create multiple RX/TX rings in multi channel mode be2net: don't create multiple TXQs in BE2 be2net: refactor VF setup/teardown code into be_vf_setup/clear() be2net: add vlan/rx-mode/flow-control config to be_setup() net_sched: cls_flow: use skb_header_pointer() ipv4: avoid useless call of the function check_peer_pmtu TCP: remove TCP_DEBUG net: Fix driver name for mdio-gpio.c ipv4: tcp: fix TOS value in ACK messages sent from TIME_WAIT rtnetlink: Add missing manual netlink notification in dev_change_net_namespaces ipv4: fix ipsec forward performance regression jme: fix irq storm after suspend/resume route: fix ICMP redirect validation net: hold sock reference while processing tx timestamps tcp: md5: add more const attributes Add ethtool -g support to virtio_net ... Fix up conflicts in: - drivers/net/Kconfig: The split-up generated a trivial conflict with removal of a stale reference to Documentation/networking/net-modules.txt. Remove it from the new location instead. - fs/sysfs/dir.c: Fairly nasty conflicts with the sysfs rb-tree usage, conflicting with Eric Biederman's changes for tagged directories.
| * Merge branch 'master' of github.com:davem330/netDavid S. Miller2011-10-071-4/+9
| |\ | | | | | | | | | | | | Conflicts: net/batman-adv/soft-interface.c
| * | net, rds, Replace xlist in net/rds/xlist.h with llistHuang Ying2011-09-153-141/+52
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The functionality of xlist and llist is almost same. This patch replace xlist with llist to avoid code duplication. Known issues: don't know how to test this, need special hardware? Signed-off-by: Huang Ying <ying.huang@intel.com> Cc: Chris Mason <chris.mason@oracle.com> Cc: Andy Grover <andy.grover@oracle.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2011-10-251-4/+2
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (59 commits) MAINTAINERS: linux-m32r is moderated for non-subscribers linux@lists.openrisc.net is moderated for non-subscribers Drop default from "DM365 codec select" choice parisc: Kconfig: cleanup Kernel page size default Kconfig: remove redundant CONFIG_ prefix on two symbols cris: remove arch/cris/arch-v32/lib/nand_init.S microblaze: add missing CONFIG_ prefixes h8300: drop puzzling Kconfig dependencies MAINTAINERS: microblaze-uclinux@itee.uq.edu.au is moderated for non-subscribers tty: drop superfluous dependency in Kconfig ARM: mxc: fix Kconfig typo 'i.MX51' Fix file references in Kconfig files aic7xxx: fix Kconfig references to READMEs Fix file references in drivers/ide/ thinkpad_acpi: Fix printk typo 'bluestooth' bcmring: drop commented out line in Kconfig btmrvl_sdio: fix typo 'btmrvl_sdio_sd6888' doc: raw1394: Trivial typo fix CIFS: Don't free volume_info->UNC until we are entirely done with it. treewide: Correct spelling of successfully in comments ...
| * | net: Convert vmalloc/memset to vzallocJoe Perches2011-09-151-4/+2
| |/ | | | | | | | | | | Signed-off-by: Joe Perches <joe@perches.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | RDSRDMA: Fix cleanup of rds_iw_mr_poolJonathan Lallinger2011-09-291-4/+9
|/ | | | | | | | | | | | | | | In the rds_iw_mr_pool struct the free_pinned field keeps track of memory pinned by free MRs. While this field is incremented properly upon allocation, it is never decremented upon unmapping. This would cause the rds_rdma module to crash the kernel upon unloading, by triggering the BUG_ON in the rds_iw_destroy_mr_pool function. This change keeps track of the MRs that become unpinned, so that free_pinned can be decremented appropriately. Signed-off-by: Jonathan Lallinger <jonathan@ogc.us> Signed-off-by: Steve Wise <swise@ogc.us> Signed-off-by: David S. Miller <davem@davemloft.net>
* notifiers: cpu: move cpu notifiers into cpu.hAmerigo Wang2011-07-251-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | We presently define all kinds of notifiers in notifier.h. This is not necessary at all, since different subsystems use different notifiers, they are almost non-related with each other. This can also save much build time. Suppose I add a new netdevice event, really I don't have to recompile all the source, just network related. Without this patch, all the source will be recompiled. I move the notify events near to their subsystem notifier registers, so that they can be found more easily. This patch: It is not necessary to share the same notifier.h. Signed-off-by: WANG Cong <amwang@redhat.com> Cc: David Miller <davem@davemloft.net> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* net: rds: fix const array syntaxGreg Dietsche2011-07-011-1/+1
| | | | | | | Correct the syntax so that both array and pointer are const. Signed-off-by: Greg Dietsche <Gregory.Dietsche@cuw.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
* net/rds: use prink_ratelimited() instead of printk_ratelimit()Manuel Zerpies2011-06-177-22/+21
| | | | | | | | Since printk_ratelimit() shouldn't be used anymore (see comment in include/linux/printk.h), replace it with printk_ratelimited() Signed-off-by: Manuel Zerpies <manuel.f.zerpies@ww.stud.uni-erlangen.de> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
* net: remove interrupt.h inclusion from netdevice.hAlexey Dobriyan2011-06-062-0/+2
| | | | | | | | * remove interrupt.g inclusion from netdevice.h -- not needed * fixup fallout, add interrupt.h and hardirq.h back where needed. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* RDMA/cma: Pass QP type into rdma_create_id()Sean Hefty2011-05-255-5/+6
| | | | | | | | | | | | | | The RDMA CM currently infers the QP type from the port space selected by the user. In the future (eg with RDMA_PS_IB or XRC), there may not be a 1-1 correspondence between port space and QP type. For netlink export of RDMA CM state, we want to export the QP type to userspace, so it is cleaner to explicitly associate a QP type to an ID. Modify rdma_create_id() to allow the user to specify the QP type, and use it to make our selections of datagram versus connected mode. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
* Fix common misspellingsLucas De Marchi2011-03-315-5/+5
| | | | | | Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
* rds: use little-endian bitopsAkinobu Mita2011-03-231-3/+3
| | | | | | | | | | | | As a preparation for removing ext2 non-atomic bit operations from asm/bitops.h. This converts ext2 non-atomic bit operations to little-endian bit operations. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Andy Grover <andy.grover@oracle.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* rds: stop including asm-generic/bitops/le.h directlyAkinobu Mita2011-03-231-5/+4
| | | | | | | | | | | | | | | | | | | | | asm-generic/bitops/le.h is only intended to be included directly from asm-generic/bitops/ext2-non-atomic.h or asm-generic/bitops/minix-le.h which implements generic ext2 or minix bit operations. This stops including asm-generic/bitops/le.h directly and use ext2 non-atomic bit operations instead. It seems odd to use ext2_*_bit() on rds, but it will replaced with __{set,clear,test}_bit_le() after introducing little endian bit operations for all architectures. This indirect step is necessary to maintain bisectability for some architectures which have their own little-endian bit operations. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Andy Grover <andy.grover@oracle.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6Linus Torvalds2011-03-161-1/+0
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1480 commits) bonding: enable netpoll without checking link status xfrm: Refcount destination entry on xfrm_lookup net: introduce rx_handler results and logic around that bonding: get rid of IFF_SLAVE_INACTIVE netdev->priv_flag bonding: wrap slave state work net: get rid of multiple bond-related netdevice->priv_flags bonding: register slave pointer for rx_handler be2net: Bump up the version number be2net: Copyright notice change. Update to Emulex instead of ServerEngines e1000e: fix kconfig for crc32 dependency netfilter ebtables: fix xt_AUDIT to work with ebtables xen network backend driver bonding: Improve syslog message at device creation time bonding: Call netif_carrier_off after register_netdevice bonding: Incorrect TX queue offset net_sched: fix ip_tos2prio xfrm: fix __xfrm_route_forward() be2net: Fix UDP packet detected status in RX compl Phonet: fix aligned-mode pipe socket buffer header reserve netxen: support for GbE port settings ... Fix up conflicts in drivers/staging/brcm80211/brcmsmac/wl_mac80211.c with the staging updates.
| * Merge branch 'master' of ↵David S. Miller2011-03-102-4/+12
| |\ | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/bnx2x/bnx2x_cmn.c
| * | net: cleanup unused macros in net directoryShan Wei2011-01-191-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clean up some unused macros in net/*. 1. be left for code change. e.g. PGV_FROM_VMALLOC, PGV_FROM_VMALLOC, KMEM_SAFETYZONE. 2. never be used since introduced to kernel. e.g. P9_RDMA_MAX_SGE, UTIL_CTRL_PKT_SIZE. Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com> Acked-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge branch 'for-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wqLinus Torvalds2011-03-163-34/+4
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: fix build failure introduced by s/freezeable/freezable/ workqueue: add system_freezeable_wq rds/ib: use system_wq instead of rds_ib_fmr_wq net/9p: replace p9_poll_task with a work net/9p: use system_wq instead of p9_mux_wq xfs: convert to alloc_workqueue() reiserfs: make commit_wq use the default concurrency level ocfs2: use system_wq instead of ocfs2_quota_wq ext4: convert to alloc_workqueue() scsi/scsi_tgt_lib: scsi_tgtd isn't used in memory reclaim path scsi/be2iscsi,qla2xxx: convert to alloc_workqueue() misc/iwmc3200top: use system_wq instead of dedicated workqueues i2o: use alloc_workqueue() instead of create_workqueue() acpi: kacpi*_wq don't need WQ_MEM_RECLAIM fs/aio: aio_wq isn't used in memory reclaim path input/tps6507x-ts: use system_wq instead of dedicated workqueue cpufreq: use system_wq instead of dedicated workqueues wireless/ipw2x00: use system_wq instead of dedicated workqueues arm/omap: use system_wq in mailbox workqueue: use WQ_MEM_RECLAIM instead of WQ_RESCUER
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