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2006-03-25[PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notificationsDavide Libenzi
Implement the half-closed devices notifiation, by adding a new POLLRDHUP (and its alias EPOLLRDHUP) bit to the existing poll/select sets. Since the existing POLLHUP handling, that does not report correctly half-closed devices, was feared to be changed, this implementation leaves the current POLLHUP reporting unchanged and simply add a new bit that is set in the few places where it makes sense. The same thing was discussed and conceptually agreed quite some time ago: http://lkml.org/lkml/2003/7/12/116 Since this new event bit is added to the existing Linux poll infrastruture, even the existing poll/select system calls will be able to use it. As far as the existing POLLHUP handling, the patch leaves it as is. The pollrdhup-2.6.16.rc5-0.10.diff defines the POLLRDHUP for all the existing archs and sets the bit in the six relevant files. The other attached diff is the simple change required to sys/epoll.h to add the EPOLLRDHUP definition. There is "a stupid program" to test POLLRDHUP delivery here: http://www.xmailserver.org/pollrdhup-test.c It tests poll(2), but since the delivery is same epoll(2) will work equally. Signed-off-by: Davide Libenzi <davidel@xmailserver.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Michael Kerrisk <mtk-manpages@gmx.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-25[PATCH] fix 'defined but not used' warning in net/rxrpc/main.c::rxrpc_initialiseJesper Juhl
net/rxrpc/main.c: In function `rxrpc_initialise': net/rxrpc/main.c:83: warning: label `error_proc' defined but not used Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-25[PATCH] slab: implement /proc/slab_allocatorsAl Viro
Implement /proc/slab_allocators. It produces output like: idr_layer_cache: 80 idr_pre_get+0x33/0x4e buffer_head: 2555 alloc_buffer_head+0x20/0x75 mm_struct: 9 mm_alloc+0x1e/0x42 mm_struct: 20 dup_mm+0x36/0x370 vm_area_struct: 384 dup_mm+0x18f/0x370 vm_area_struct: 151 do_mmap_pgoff+0x2e0/0x7c3 vm_area_struct: 1 split_vma+0x5a/0x10e vm_area_struct: 11 do_brk+0x206/0x2e2 vm_area_struct: 2 copy_vma+0xda/0x142 vm_area_struct: 9 setup_arg_pages+0x99/0x214 fs_cache: 8 copy_fs_struct+0x21/0x133 fs_cache: 29 copy_process+0xf38/0x10e3 files_cache: 30 alloc_files+0x1b/0xcf signal_cache: 81 copy_process+0xbaa/0x10e3 sighand_cache: 77 copy_process+0xe65/0x10e3 sighand_cache: 1 de_thread+0x4d/0x5f8 anon_vma: 241 anon_vma_prepare+0xd9/0xf3 size-2048: 1 add_sect_attrs+0x5f/0x145 size-2048: 2 journal_init_revoke+0x99/0x302 size-2048: 2 journal_init_revoke+0x137/0x302 size-2048: 2 journal_init_inode+0xf9/0x1c4 Cc: Manfred Spraul <manfred@colorfullife.com> Cc: Alexander Nyberg <alexn@telia.com> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Christoph Lameter <clameter@engr.sgi.com> Cc: Ravikiran Thirumalai <kiran@scalex86.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> DESC slab-leaks3-locking-fix EDESC From: Andrew Morton <akpm@osdl.org> Update for slab-remove-cachep-spinlock.patch Cc: Al Viro <viro@ftp.linux.org.uk> Cc: Manfred Spraul <manfred@colorfullife.com> Cc: Alexander Nyberg <alexn@telia.com> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Christoph Lameter <clameter@engr.sgi.com> Cc: Ravikiran Thirumalai <kiran@scalex86.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-24[PATCH] s/;;/;/gAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-24[PATCH] cpuset memory spread: slab cache formatPaul Jackson
Rewrap the overly long source code lines resulting from the previous patch's addition of the slab cache flag SLAB_MEM_SPREAD. This patch contains only formatting changes, and no function change. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-24[PATCH] cpuset memory spread: slab cache filesystemsPaul Jackson
Mark file system inode and similar slab caches subject to SLAB_MEM_SPREAD memory spreading. If a slab cache is marked SLAB_MEM_SPREAD, then anytime that a task that's in a cpuset with the 'memory_spread_slab' option enabled goes to allocate from such a slab cache, the allocations are spread evenly over all the memory nodes (task->mems_allowed) allowed to that task, instead of favoring allocation on the node local to the current cpu. The following inode and similar caches are marked SLAB_MEM_SPREAD: file cache ==== ===== fs/adfs/super.c adfs_inode_cache fs/affs/super.c affs_inode_cache fs/befs/linuxvfs.c befs_inode_cache fs/bfs/inode.c bfs_inode_cache fs/block_dev.c bdev_cache fs/cifs/cifsfs.c cifs_inode_cache fs/coda/inode.c coda_inode_cache fs/dquot.c dquot fs/efs/super.c efs_inode_cache fs/ext2/super.c ext2_inode_cache fs/ext2/xattr.c (fs/mbcache.c) ext2_xattr fs/ext3/super.c ext3_inode_cache fs/ext3/xattr.c (fs/mbcache.c) ext3_xattr fs/fat/cache.c fat_cache fs/fat/inode.c fat_inode_cache fs/freevxfs/vxfs_super.c vxfs_inode fs/hpfs/super.c hpfs_inode_cache fs/isofs/inode.c isofs_inode_cache fs/jffs/inode-v23.c jffs_fm fs/jffs2/super.c jffs2_i fs/jfs/super.c jfs_ip fs/minix/inode.c minix_inode_cache fs/ncpfs/inode.c ncp_inode_cache fs/nfs/direct.c nfs_direct_cache fs/nfs/inode.c nfs_inode_cache fs/ntfs/super.c ntfs_big_inode_cache_name fs/ntfs/super.c ntfs_inode_cache fs/ocfs2/dlm/dlmfs.c dlmfs_inode_cache fs/ocfs2/super.c ocfs2_inode_cache fs/proc/inode.c proc_inode_cache fs/qnx4/inode.c qnx4_inode_cache fs/reiserfs/super.c reiser_inode_cache fs/romfs/inode.c romfs_inode_cache fs/smbfs/inode.c smb_inode_cache fs/sysv/inode.c sysv_inode_cache fs/udf/super.c udf_inode_cache fs/ufs/super.c ufs_inode_cache net/socket.c sock_inode_cache net/sunrpc/rpc_pipe.c rpc_inode_cache The choice of which slab caches to so mark was quite simple. I marked those already marked SLAB_RECLAIM_ACCOUNT, except for fs/xfs, dentry_cache, inode_cache, and buffer_head, which were marked in a previous patch. Even though SLAB_RECLAIM_ACCOUNT is for a different purpose, it marks the same potentially large file system i/o related slab caches as we need for memory spreading. Given that the rule now becomes "wherever you would have used a SLAB_RECLAIM_ACCOUNT slab cache flag before (usually the inode cache), use the SLAB_MEM_SPREAD flag too", this should be easy enough to maintain. Future file system writers will just copy one of the existing file system slab cache setups and tend to get it right without thinking. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-23Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (45 commits) [PATCH] Restore channel setting after scan. [PATCH] hostap: Fix memory leak on PCI probe error path [PATCH] hostap: Remove dead code (duplicated idx != 0) [PATCH] hostap: Fix unlikely read overrun in CIS parsing [PATCH] hostap: Fix double free in prism2_config() error path [PATCH] hostap: Fix ap_add_sta() return value verification [PATCH] hostap: Fix hw reset after CMDCODE_ACCESS_WRITE timeout [PATCH] wireless/airo: cache wireless scans [PATCH] wireless/airo: define default MTU [PATCH] wireless/airo: clean up printk usage to print device name [PATCH] WE-20 for kernel 2.6.16 [PATCH] softmac: remove function_enter() [PATCH] skge: version 1.5 [PATCH] skge: compute available ring buffers [PATCH] skge: dont free skb until multi-part transmit complete [PATCH] skge: multicast statistics fix [PATCH] skge: rx_reuse called twice [PATCH] skge: dont use dev_alloc_skb for rx buffs [PATCH] skge: align receive buffers [PATCH] sky2: dont need to use dev_kfree_skb_any ...
2006-03-23Merge branch 'upstream' of ↵Jeff Garzik
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2006-03-23[PATCH] Restore channel setting after scan.David Woodhouse
After a scan, we weren't switching back to the original channel if we were associated with an AP. So NetworkManager's periodic scans would disrupt connectivity until the ESSID was manually set again. Fix that. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-23[PATCH] WE-20 for kernel 2.6.16Jean Tourrilhes
This is version 20 of the Wireless Extensions. This is the completion of the RtNetlink work I started early 2004, it enables the full Wireless Extension API over RtNetlink. Few comments on the patch : o totally driver transparent, no change in drivers needed. o iwevent were already RtNetlink based since they were created (around 2.5.7). This adds all the regular SET and GET requests over RtNetlink, using the exact same mechanism and data format as iwevents. o This is a Kconfig option, as currently most people have no need for it. Surprisingly, patch is actually small and well encapsulated. o Tested on SMP, attention as been paid to make it 64 bits clean. o Code do probably too many checks and could be further optimised, but better safe than sorry. o RtNetlink based version of the Wireless Tools available on my web page for people inclined to try out this stuff. I would also like to thank Alexey Kuznetsov for his helpful suggestions to make this patch better. Signed-off-by: Jean Tourrilhes <jt@hpl.hp.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-23[PATCH] softmac: remove function_enter()John W. Linville
Remove the function_enter() debugging macros. Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-23[IPV6]: ip6_xmit: remove unnecessary NULL ptr checkPatrick McHardy
The sk argument to ip6_xmit is never NULL nowadays since the skb->priority assigment expects a valid socket. Coverity #354 Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-23[NET_SCHED]: cls_u32: remove unnecessary NULL-ptr checkPatrick McHardy
In both cases n can't be NULL without crashing anyway. Coverity #78 Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-23[IPV4]: Add fib rule netlink notificationsPatrick McHardy
To really make sense of route notifications in the presence of multiple tables, userspace also needs to be notified about routing rule updates. Notifications are sent to the so far unused RTNLGRP_NOP1 (now RTNLGRP_RULE) group. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-23[PKTGEN]: Add MPLS extension.Steven Whitehouse
Signed-off-by: Steven Whitehouse <steve@chygwyn.com> Signed-off-by: Robert Olsson <robert.olsson@its.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-22Merge branch 'upstream' of ↵Jeff Garzik
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2006-03-22[PATCH] Fix softmac scanLarry Finger
Softmac scanning fails because the stop flag is not cleared before scanning is started. The attached one-line patch fixes this. Signed-Off-By: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: remove dead codeJohannes Berg
This patch removes ieee80211softmac_reassoc which is neither implemented nor used nor necessary. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: add reassociation codeJohannes Berg
This patch adds handling of reassociation to softmac when the AP requests it. Patch from Larry Finger. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: update deauth handler to quiet warningJohannes Berg
Recently the deauth packet handler was updated to use a deauth packet struct (identical to the auth packet struct) and this now gives a warning. This patch updates the code to properly use a deauth struct and deauth variable. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] trivial fixes to softmacJohannes Berg
This patch removes a blank line that shouldn't be there and fixes a spelling error in softmac. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] update copyright in softmacJohannes Berg
This patch updates the copyright statements in softmac that I erroneously added for 2005 only (when we already had 2006). Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] ieee80211_rx_any: filter out packets, call ieee80211_rx or ↵Denis Vlasenko
ieee80211_rx_mgt Version 2 of the patch. Added checks for version 0 and proper from/to DS bits. Even in promisc mode we won't receive packets from another BSSes. bcm43xx_rx() contains code to filter out packets from foreign BSSes and decide whether to call ieee80211_rx or ieee80211_rx_mgt. This is not bcm specific. Patch adapts that code and adds it to 80211 as ieee80211_rx_any() function. Signed-off-by: Denis Vlasenko <vda@ilport.com.ua> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: move EXPORT_SYMBOL_GPL right after functionsJohannes Berg
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: add MODULE_DESCRIPTION and MODULE_AUTHORsJohannes Berg
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: add copyright and license headersJohannes Berg
add copyright and license headers to all softmac files Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: some comment stuffJohannes Berg
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: properly check return value of ieee80211softmac_alloc_mgtJohannes Berg
Properly check return value of ieee80211softmac_alloc_mgt in ieee80211softmac_disassoc_deauth (patch by Denis Vlasenko) Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: scan at least once before selecting a network by essidJohannes Berg
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: check if disassociation is for us before processing itJohannes Berg
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: select "best" network based on rssiJohannes Berg
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: add fixme for disassocJohannes Berg
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: try to reassociate when being disassociated from the APJohannes Berg
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: correctly use netif_carrier_{on,off}Johannes Berg
TODO: add callbacks for ifup/ifdown (see mailing list) Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: convert to use global workqueueJohannes Berg
Convert softmac to use global workqueue instead of private one... Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: fix MakefilesJohannes Berg
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] softmac: fix some sparse warningsJohannes Berg
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] make softmac depend on IEEE80211 and EXPERIMENTALJohannes Berg
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[PATCH] wireless: Add softmac layer to the kernelJohannes Berg
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-22[TCP]: Do not use inet->id of global tcp_socket when sending RST.Alexey Kuznetsov
The problem is in ip_push_pending_frames(), which uses: if (!df) { __ip_select_ident(iph, &rt->u.dst, 0); } else { iph->id = htons(inet->id++); } instead of ip_select_ident(). Right now I think the code is a nonsense. Most likely, I copied it from old ip_build_xmit(), where it was really special, we had to decide whether to generate unique ID when generating the first (well, the last) fragment. In ip_push_pending_frames() it does not make sense, it should use plain ip_select_ident() instead. Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-22[NETFILTER]: Fix undefined references to get_h225_addrPatrick McHardy
get_h225_addr is exported, but declared static, which fails when linking statically. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-22[NETFILTER]: Fix xt_policy address matchingPatrick McHardy
Fix missing inversion in address matching, it was broken during the conversion to x_tables. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-22[NETFILTER]: nf_conntrack: support for layer 3 protocol load on demandPablo Neira Ayuso
x_tables matches and targets that require nf_conntrack_ipv[4|6] to work don't have enough information to load on demand these modules. This patch introduces the following changes to solve this issue: o nf_ct_l3proto_try_module_get: try to load the layer 3 connection tracker module and increases the refcount. o nf_ct_l3proto_module put: drop the refcount of the module. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-22[NETFILTER]: x_tables: set the protocol family in x_tables targets/matchesPablo Neira Ayuso
Set the family field in xt_[matches|targets] registered. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-22[NETFILTER]: conntrack: cleanup the conntrack ID initializationPablo Neira Ayuso
Currently the first conntrack ID assigned is 2, use 1 instead. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-22[NETFILTER]: nfnetlink_queue: fix nfnetlink message sizePablo Neira Ayuso
Fix oversized message, use NLMSG_SPACE just one since it reserves space for the netlink header and NFA_SPACE for every attribute. Thanks to Harald Welte for the feedback Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-22[NETFILTER]: ctnetlink: Fix expectaction mask dumpingPablo Neira Ayuso
The expectation mask has some particularities that requires a different handling. The protocol number fields can be set to non-valid protocols, ie. l3num is set to 0xFFFF. Since that protocol does not exist, the mask tuple will not be dumped. Moreover, this results in a kernel panic when nf_conntrack accesses the array of protocol handlers, that is PF_MAX (0x1F) long. This patch introduces the function ctnetlink_exp_dump_mask, that correctly dumps the expectation mask. Such function uses the l3num value from the expectation tuple that is a valid layer 3 protocol number. The value of the l3num mask isn't dumped since it is meaningless from the userspace side. Thanks to Yasuyuki Kozakai and Patrick McHardy for the feedback. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-22[NETFILTER]: Fix Kconfig typosThomas Vögtle
Signed-off-by: Thomas Vögtle <tv@lio96.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-22[NETFILTER]: Fix ip6tables breakage from {get,set}sockopt compat layerPatrick McHardy
do_ipv6_getsockopt returns -EINVAL for unknown options, not -ENOPROTOOPT as do_ipv6_setsockopt. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-22[X25]: dte facilities 32 64 ioctl conversionShaun Pereira
Allows dte facility patch to use 32 64 bit ioctl conversion mechanism Signed-off-by: Shaun Pereira <spereira@tusc.com.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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