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2011-07-22lguest: Do not exit on non-fatal errorsSakari Ailus1-4/+6
Do not exit on some non-fatal errors: - writev() fails in net_output(). The result is a lost packet or packets. - writev() fails in console_output(). The result is partially lost console output. - readv() fails in net_input(). The result is a lost packet or packets. Rather than bringing the guest down, this patch ignores e.g. an allocation failure on the host side. Example: lguest: page allocation failure. order:4, mode:0x4d0 Pid: 4045, comm: lguest Tainted: G W 2.6.36 #1 Call Trace: [<c138d614>] ? printk+0x18/0x1c [<c106a4e2>] __alloc_pages_nodemask+0x4d2/0x570 [<c1087954>] cache_alloc_refill+0x2a4/0x4d0 [<c1305149>] ? __netif_receive_skb+0x189/0x270 [<c1087c5a>] __kmalloc+0xda/0xf0 [<c12fffa5>] __alloc_skb+0x55/0x100 [<c1305519>] ? net_rx_action+0x79/0x100 [<c12fafed>] sock_alloc_send_pskb+0x18d/0x280 [<c11fda25>] ? _copy_from_user+0x35/0x130 [<c13010b6>] ? memcpy_fromiovecend+0x56/0x80 [<c12a74dc>] tun_chr_aio_write+0x1cc/0x500 [<c108a125>] do_sync_readv_writev+0x95/0xd0 [<c11fda25>] ? _copy_from_user+0x35/0x130 [<c1089fa8>] ? rw_copy_check_uvector+0x58/0x100 [<c108a7bc>] do_readv_writev+0x9c/0x1d0 [<c12a7310>] ? tun_chr_aio_write+0x0/0x500 [<c108a93a>] vfs_writev+0x4a/0x60 [<c108aa21>] sys_writev+0x41/0x80 [<c138f061>] syscall_call+0x7/0xb Mem-Info: DMA per-cpu: CPU 0: hi: 0, btch: 1 usd: 0 Normal per-cpu: CPU 0: hi: 186, btch: 31 usd: 0 HighMem per-cpu: CPU 0: hi: 186, btch: 31 usd: 0 active_anon:134651 inactive_anon:50543 isolated_anon:0 active_file:96881 inactive_file:132007 isolated_file:0 unevictable:0 dirty:3 writeback:0 unstable:0 free:91374 slab_reclaimable:6300 slab_unreclaimable:2802 mapped:2281 shmem:9 pagetables:330 bounce:0 DMA free:3524kB min:64kB low:80kB high:96kB active_anon:0kB inactive_anon:8kB active_file:8760kB inactive_file:2760kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15868kB mlocked:0kB dirty:0kB writeback:0kB mapped:16kB shmem:0kB slab_reclaimable:88kB slab_unreclaimable:148kB kernel_stack:40kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 865 2016 2016 Normal free:150100kB min:3728kB low:4660kB high:5592kB active_anon:6224kB inactive_anon:15772kB active_file:324084kB inactive_file:325944kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:885944kB mlocked:0kB dirty:12kB writeback:0kB mapped:1520kB shmem:0kB slab_reclaimable:25112kB slab_unreclaimable:11060kB kernel_stack:1888kB pagetables:1320kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 9207 9207 HighMem free:211872kB min:512kB low:1752kB high:2992kB active_anon:532380kB inactive_anon:186392kB active_file:54680kB inactive_file:199324kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:1178504kB mlocked:0kB dirty:0kB writeback:0kB mapped:7588kB shmem:36kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 3*4kB 65*8kB 35*16kB 18*32kB 11*64kB 9*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3524kB Normal: 35981*4kB 344*8kB 158*16kB 28*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 150100kB HighMem: 5732*4kB 5462*8kB 2826*16kB 1598*32kB 84*64kB 10*128kB 7*256kB 1*512kB 1*1024kB 1*2048kB 9*4096kB = 211872kB 231237 total pagecache pages 2340 pages in swap cache Swap cache stats: add 160060, delete 157720, find 189017/194106 Free swap = 4179840kB Total swap = 4194300kB 524271 pages RAM 296946 pages HighMem 5668 pages reserved 867664 pages shared 82155 pages non-shared Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-07-22netxen: add fw version compatibility checkAmit Kumar Salecha3-13/+68
o Minimum fw version supported for P3 chip is 4.0.505 o File Fw > 4.0.554 is not supported if flash fw < 4.0.554. o In mn firmware case, file fw older than flash fw is allowed. o Change variable names for readability o Update driver version 4.0.76 Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22be2net: request native mode each time the card is resetSathya Perla3-4/+6
Currently be3-native mode is requested only in probe(). It must be requested, each time the card is reset either after an EEH error or after sleep/hibernation. Also, the be_cmd_check_native_mode() is better named be_cmd_req_native_mode() Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22ipv4: Constrain UFO fragment sizes to multiples of 8 bytesBill Sommerfeld1-3/+3
Because the ip fragment offset field counts 8-byte chunks, ip fragments other than the last must contain a multiple of 8 bytes of payload. ip_ufo_append_data wasn't respecting this constraint and, depending on the MTU and ip option sizes, could create malformed non-final fragments. Google-Bug-Id: 5009328 Signed-off-by: Bill Sommerfeld <wsommerfeld@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22virtio_net: Fix panic in virtnet_removeKrishna Kumar1-9/+1
Fix a panic in virtnet_remove. unregister_netdev has already freed up the netdev (and virtnet_info) due to dev->destructor being set, while virtnet_info is still required. Remove virtnet_free altogether, and move the freeing of the per-cpu statistics from virtnet_free to virtnet_remove. Tested patch below. Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22ipv6: make fragment identifications less predictableEric Dumazet7-22/+64
IPv6 fragment identification generation is way beyond what we use for IPv4 : It uses a single generator. Its not scalable and allows DOS attacks. Now inetpeer is IPv6 aware, we can use it to provide a more secure and scalable frag ident generator (per destination, instead of system wide) This patch : 1) defines a new secure_ipv6_id() helper 2) extends inet_getid() to provide 32bit results 3) extends ipv6_select_ident() with a new dest parameter Reported-by: Fernando Gont <fernando@gont.com.ar> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22ipv6: unshare inetpeersEric Dumazet1-13/+20
We currently cow metrics a bit too soon in IPv6 case : All routes are tied to a single inetpeer entry. Change ip6_rt_copy() to get destination address as second argument, so that we fill rt6i_dst before the dst_copy_metrics() call. icmp6_dst_alloc() must set rt6i_dst before calling dst_metric_set(), or else the cow is done while rt6i_dst is still NULL. If orig route points to readonly metrics, we can share the pointer instead of performing the memory allocation and copy. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22can: make function can_get_bittiming staticThadeu Lima de Souza Cascardo1-1/+1
The function can_get_bittiming is not used anywhere else, so it should be static. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22net: Kobj and queues_kset should be used when CONFIG_XPS is enabledChoi, Jong-Hwan1-2/+2
Kobj and queues_kset are used with CONFIG_XPS=y. Signed-off-by: Choi, Jong-Hwan <jhbird.choi@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22vmxnet3: fix publicity of NETIF_F_HIGHDMAShreyas Bhatewara1-1/+1
NETIF_F_HIGHDMA is being disabled even when dma64 is true. This patch fixes it. CC: Michal Miroslaw <mirq-linux@rere.qmqm.pl> Signed-off-by: Shreyas N Bhatewara <sbhatewara@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22vmxnet3: set netdev parant device before calling netdev_infoShreyas Bhatewara1-1/+1
Parent device for netdev should be set before netdev_info() can be called otherwise there is a NULL pointer dereference and probe() fails. Signed-off-by: Shreyas N Bhatewara <sbhatewara@vmware.com> Signed-off-by: Scott J. Goldman <scottjg@vmware.com>-- Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22ASIX: Add AX88772B USB IDMarek Vasut1-0/+4
This device can be found in Acer Iconia TAB W500 tablet dock. Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22Merge branch 'master' of ↵David S. Miller1-6/+14
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2011-07-22Linux 3.0v3.0Linus Torvalds1-1/+1
2011-07-22Merge branch 'for_linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb: sparc,kgdbts: fix compile regression with kgdb test suite
2011-07-22sparc,kgdbts: fix compile regression with kgdb test suiteJason Wessel1-0/+1
Commit 63ab25ebbc (kgdbts: unify/generalize gdb breakpoint adjustment) introduced a compile regression on sparc. kgdbts.c: In function 'check_and_rewind_pc': kgdbts.c:307: error: implicit declaration of function 'instruction_pointer_set' Simply add the correct macro definition for instruction pointer on the Sparc architecture. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Acked-by: Mike Frysinger <vapier@gentoo.org> Acked-by: David S. Miller <davem@davemloft.net>
2011-07-22stmmac: improve and up-to-date the documentationGiuseppe CAVALLARO1-64/+136
This patch adds new information for the driver especially about its platform structure fields. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22stmmac: unify MAC and PHY configuration parameters (V2)Giuseppe CAVALLARO4-131/+77
Prior to this change, most PHY configuration parameters were passed into the STMMAC device as a separate PHY device. As well as being unusual, this made it difficult to make changes to the MAC/PHY relationship. This patch moves all the PHY parameters into the MAC configuration structure, mainly as a separate structure. This allows us to completely ignore the MDIO bus attached to a stmmac if desired, and not create the PHY bus. It also allows the stmmac driver to use a different PHY from the one it is connected to, for example a fixed PHY or bit banging PHY. Also derive the stmmac/PHY connection type (MII/RMII etc) from the mode can be passed into <platf>_configure_ethernet. STLinux kernel at git://git.stlinux.com/stm/linux-sh4-2.6.32.y.git provides several examples how to use this new infrastructure (that actually is easier to maintain and clearer). Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22stmmac: remove warning when compile as built-in (V2)Giuseppe CAVALLARO1-23/+42
The patch removes the following serie of warnings when the driver is compiled as built-in: drivers/net/stmmac/stmmac_main.c: In function stmmac_cmdline_opt: drivers/net/stmmac/stmmac_main.c:1855:12: warning: ignoring return value of kstrtoul, declared with attribute warn_unused_result [snip] Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22stmmac: update the version (V2)Giuseppe CAVALLARO1-1/+1
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22ethtool: Allow zero-length register dumps againBen Hutchings1-2/+2
Some drivers (ab)use the ethtool_ops::get_regs operation to expose only a hardware revision ID. Commit a77f5db361ed9953b5b749353ea2c7fed2bf8d93 ('ethtool: Allocate register dump buffer with vmalloc()') had the side-effect of breaking these, as vmalloc() returns a null pointer for size=0 whereas kmalloc() did not. For backward-compatibility, allow zero-length dumps again. Reported-by: Kalle Valo <kvalo@qca.qualcomm.com> Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Cc: stable@kernel.org [2.6.37+] Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22jme: Fix unmap error (Causing system freeze)Guo-Fu Tseng1-6/+14
This patch add the missing dma_unmap(). Which solved the critical issue of system freeze on heavy load. Michal Miroslaw's rejected patch: [PATCH v2 10/46] net: jme: convert to generic DMA API Pointed out the issue also, thank you Michal. But the fix was incorrect. It would unmap needed address when low memory. Got lots of feedback from End user and Gentoo Bugzilla. https://bugs.gentoo.org/show_bug.cgi?id=373109 Thank you all. :) Cc: stable@kernel.org Signed-off-by: Guo-Fu Tseng <cooldavid@cooldavid.org> Acked-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22skbuff: fix error handling in pskb_copy()Dan Carpenter1-1/+2
There are two problems: 1) "n" was allocated with alloc_skb() so we should free it with kfree_skb() instead of regular kfree(). 2) We return the freed pointer instead of NULL. Signed-off-by: Dan Carpenter <error27@gmail.com> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds1-1/+1
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: CIFS: Fix wrong length in cifs_iovec_read
2011-07-22vlan: move vlan_group_[gs]et_device to public headerJiri Pirko2-19/+19
there are no users outside vlan code Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22vlan: kill ndo_vlan_rx_registerJiri Pirko2-12/+0
has no users so remove it Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22macvlan: do vlan cleanupJiri Pirko1-12/+0
ndo_vlan_rx_register is no longer in use in any driver so remove it. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22bonding: do vlan cleanupJiri Pirko4-83/+33
Now when all devices are cleaned up, bond can be cleaned up as well - remove bond->vlgrp - remove bond_vlan_rx_register - substitute necessary occurences of vlan_group_get_device Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22staging: et131x: remove unused prototype et131x_vlan_rx_registerJiri Pirko1-1/+0
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22qlcnic: remove usage of vlan_group_get_deviceJiri Pirko1-6/+1
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22stmmac: do vlan cleanupJiri Pirko2-20/+0
- kill priv->vlgrp and stmmac_vlan_rx_register (used for nothing :)) Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22vlan: kill vlan_gro_frags and vlan_gro_receiveJiri Pirko2-36/+0
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22qeth: do vlan cleanupJiri Pirko3-56/+47
- unify vlan and nonvlan rx path - kill card->vlangrp and qeth_l3_vlan_rx_register Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22vxge: do vlan cleanupJiri Pirko2-80/+16
- unify vlan and nonvlan rx path - kill vdev->vlgrp and vxge_vlan_rx_register Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22igb: do vlan cleanupJiri Pirko2-47/+47
- unify vlan and nonvlan rx path - kill adapter->vlgrp and igb_vlan_rx_register - allow to turn on/off rx/tx vlan accel via ethtool (set_features) Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22forcedeth: do vlan cleanupJiri Pirko1-38/+30
- unify vlan and nonvlan rx path - kill np->vlangrp and nv_vlan_rx_register - allow to turn on/off rx vlan accel via ethtool (set_features) Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22e1000: do vlan cleanupJiri Pirko2-62/+108
- unify vlan and nonvlan rx path - kill adapter->vlgrp and e1000_vlan_rx_register - allow to turn on/off rx/tx vlan accel via ethtool (set_features) Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22vlan: kill __vlan_hwaccel_rx and vlan_hwaccel_rxJiri Pirko2-31/+0
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22cxgb3: do vlan cleanupJiri Pirko4-48/+49
- unify vlan and nonvlan rx path - kill pi->vlan_grp and vlan_rx_register - allow to turn on/off rx/tx vlan accel via ethtool (set_features) Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22atl2: do vlan cleanupJiri Pirko2-33/+48
- unify vlan and nonvlan rx path - kill adapter->vlgrp and atl2_vlan_rx_register - allow to turn on/off rx/tx vlan accel via ethtool (set_features) Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22atl1: do vlan cleanupJiri Pirko3-28/+51
- unify vlan and nonvlan rx path - kill adapter->vlgrp and atlx_vlan_rx_register - allow to turn on/off rx/tx vlan accel via ethtool (set_features) Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22ns83820: do vlan cleanupJiri Pirko1-29/+4
- unify vlan and nonvlan rx path - kill dev->vlgrp and ns83820_vlan_rx_register Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22starfire: do vlan cleanupJiri Pirko1-50/+39
- unify vlan and nonvlan rx path - kill np->vlgrp and netdev_vlan_rx_register Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22via-velocity: do vlan cleanupJiri Pirko2-30/+21
- unify vlan and nonvlan rx path - kill vptr->vlgrp and velocity_vlan_rx_register Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22acenic: do vlan cleanupJiri Pirko2-60/+7
- unify vlan and nonvlan rx path - kill ap->vlgrp and ace_vlan_rx_register - enable vlan hw accel always (kill vlan ifdefs) Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22ixgbevf: do vlan cleanupJiri Pirko2-52/+18
- unify vlan and nonvlan rx path - kill adapter->vlgrp and ixgbevf_vlan_rx_register Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22vlan: kill vlan_hwaccel_receive_skbJiri Pirko1-13/+0
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22tehuti: do vlan cleanupJiri Pirko2-31/+7
- unify vlan and nonvlan rx path - kill priv->vlgrp and bdx_vlan_rx_register Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22spider_net: do not mention dying vlan_hwaccel_receive_skbJiri Pirko1-3/+1
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22s2io: do vlan cleanupJiri Pirko2-65/+6
- unify vlan and nonvlan rx path - kill sp->vlgrp and s2io_vlan_rx_register and s2io_vlan_rx_kill_vid (which does nothing and is never called :)) Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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