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2011-07-21Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2011-07-21Linux 3.0v3.0Linus Torvalds
2011-07-21Merge branch 'for_linus' of ↵Linus Torvalds
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
2011-07-21sparc,kgdbts: fix compile regression with kgdb test suiteJason Wessel
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>
2011-07-21stmmac: improve and up-to-date the documentationGiuseppe CAVALLARO
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>
2011-07-21stmmac: unify MAC and PHY configuration parameters (V2)Giuseppe CAVALLARO
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>
2011-07-21stmmac: remove warning when compile as built-in (V2)Giuseppe CAVALLARO
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>
2011-07-21stmmac: update the version (V2)Giuseppe CAVALLARO
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21ethtool: Allow zero-length register dumps againBen Hutchings
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>
2011-07-21jme: Fix unmap error (Causing system freeze)Guo-Fu Tseng
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>
2011-07-21skbuff: fix error handling in pskb_copy()Dan Carpenter
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>
2011-07-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: CIFS: Fix wrong length in cifs_iovec_read
2011-07-21[SCSI] fix crash in scsi_dispatch_cmd()James Bottomley
USB surprise removal of sr is triggering an oops in scsi_dispatch_command(). What seems to be happening is that USB is hanging on to a queue reference until the last close of the upper device, so the crash is caused by surprise remove of a mounted CD followed by attempted unmount. The problem is that USB doesn't issue its final commands as part of the SCSI teardown path, but on last close when the block queue is long gone. The long term fix is probably to make sr do the teardown in the same way as sd (so remove all the lower bits on ejection, but keep the upper disk alive until last close of user space). However, the current oops can be simply fixed by not allowing any commands to be sent to a dead queue. Cc: stable@kernel.org Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-07-21[SCSI] sr: check_events() ignore GET_EVENT when TUR says otherwiseKay Sievers
Some broken devices indicates that media has changed on every GET_EVENT_STATUS_NOTIFICATION. This translates into MEDIA_CHANGE uevent on every open() which lets udev run into a loop. Verify GET_EVENT result against TUR and if it generates spurious events for several times in a row, ignore the GET_EVENT events, and trust only the TUR status. This is the log of a USB stick with a (broken) fake CDROM drive: scsi 5:0:0:0: Direct-Access SanDisk U3 Cruzer Micro 8.02 PQ: 0 ANSI: 0 CCS sd 5:0:0:0: Attached scsi generic sg3 type 0 scsi 5:0:0:1: CD-ROM SanDisk U3 Cruzer Micro 8.02 PQ: 0 ANSI: 0 sd 5:0:0:0: [sdb] Attached SCSI removable disk sr2: scsi3-mmc drive: 48x/48x tray sr 5:0:0:1: Attached scsi CD-ROM sr2 sr 5:0:0:1: Attached scsi generic sg4 type 5 sr2: GET_EVENT and TUR disagree continuously, suppress GET_EVENT events sd 5:0:0:0: [sdb] 31777279 512-byte logical blocks: (16.2 GB/15.1 GiB) sd 5:0:0:0: [sdb] No Caching mode page present sd 5:0:0:0: [sdb] Assuming drive cache: write through sd 5:0:0:0: [sdb] No Caching mode page present sd 5:0:0:0: [sdb] Assuming drive cache: write through sdb: sdb1 -tj: Updated to consider only spurious GET_EVENT events among different types of disagreement and allow using TUR for kernel event polling after GET_EVENT is ignored. Reported-By: Markus Rathgeb maggu2810@googlemail.com Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@kernel.org # >= v2.6.38, fixes udev busy looping w/ certain devices Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-07-21[SCSI] bnx2i: Fixed kernel panic due to illegal usage of sc->request->cpuEddie Wai
A kernel panic was observed when passing the sc->request->cpu = -1 to retrieve the per_cpu variable pointer: #0 [ffff880011203960] machine_kexec at ffffffff81022bc3 #1 [ffff8800112039b0] crash_kexec at ffffffff81088630 #2 [ffff880011203a80] __die at ffffffff8139ea20 #3 [ffff880011203aa0] no_context at ffffffff8102f3a7 #4 [ffff880011203ae0] __bad_area_nosemaphore at ffffffff8102f665 #5 [ffff880011203ba0] retint_signal at ffffffff8139dd1f #6 [ffff880011203cc8] bnx2i_indicate_kcqe at ffffffffa03dc4f2 #7 [ffff880011203da8] service_kcqes at ffffffffa03cb04f #8 [ffff880011203e68] cnic_service_bnx2x_kcq at ffffffffa03cb14a #9 [ffff880011203e88] cnic_service_bnx2x_bh at ffffffffa03cb1b3 The problem lies in the slow path sg_io (and perhaps sg_scsi_ioctl) call to blk_get_request->get_request/wait->blk_alloc_request->blk_rq_init which re-initializes the request->cpu to -1. There is no assignment for cpu from that to the request_fn call to low level drivers. When this happens, the sc->request->cpu will be using the init value of -1. This will create a kernel panic when it hits bnx2i because the code refers it to get the per_cpu variables ptr. This change is to put in a guard against that and also for cases when bio affinity/queue completion to the same cpu is not enabled. In those cases, the request->cpu will remain a -1 also. This bug was created from commit: b5cf6b63f73abdc051035f0050b367beeb2ef94c For the case when the blk layer did not setup the request->cpu, bnx2i will complete the sc with the current CPU of the thread. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-07-21vlan: move vlan_group_[gs]et_device to public headerJiri Pirko
there are no users outside vlan code Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21vlan: kill ndo_vlan_rx_registerJiri Pirko
has no users so remove it Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21macvlan: do vlan cleanupJiri Pirko
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>
2011-07-21bonding: do vlan cleanupJiri Pirko
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>
2011-07-21staging: et131x: remove unused prototype et131x_vlan_rx_registerJiri Pirko
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21qlcnic: remove usage of vlan_group_get_deviceJiri Pirko
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21stmmac: do vlan cleanupJiri Pirko
- 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>
2011-07-21vlan: kill vlan_gro_frags and vlan_gro_receiveJiri Pirko
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21qeth: do vlan cleanupJiri Pirko
- 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>
2011-07-21vxge: do vlan cleanupJiri Pirko
- 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>
2011-07-21igb: do vlan cleanupJiri Pirko
- 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>
2011-07-21forcedeth: do vlan cleanupJiri Pirko
- 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>
2011-07-21e1000: do vlan cleanupJiri Pirko
- 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>
2011-07-21vlan: kill __vlan_hwaccel_rx and vlan_hwaccel_rxJiri Pirko
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21cxgb3: do vlan cleanupJiri Pirko
- 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>
2011-07-21atl2: do vlan cleanupJiri Pirko
- 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>
2011-07-21atl1: do vlan cleanupJiri Pirko
- 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>
2011-07-21ns83820: do vlan cleanupJiri Pirko
- 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>
2011-07-21starfire: do vlan cleanupJiri Pirko
- 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>
2011-07-21via-velocity: do vlan cleanupJiri Pirko
- 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>
2011-07-21acenic: do vlan cleanupJiri Pirko
- 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>
2011-07-21ixgbevf: do vlan cleanupJiri Pirko
- 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>
2011-07-21vlan: kill vlan_hwaccel_receive_skbJiri Pirko
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21tehuti: do vlan cleanupJiri Pirko
- 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>
2011-07-21spider_net: do not mention dying vlan_hwaccel_receive_skbJiri Pirko
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21s2io: do vlan cleanupJiri Pirko
- 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>
2011-07-21qlge: do vlan cleanupJiri Pirko
- unify vlan and nonvlan path - kill qdev->vlgrp and qlge_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>
2011-07-21mlx4: do vlan cleanupJiri Pirko
- unify vlan and nonvlan path - kill priv->vlgrp and mlx4_en_vlan_rx_register Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21jme: do vlan cleanupJiri Pirko
- unify vlan and nonvlan rx path - kill jme->vlgrp and jme_vlan_rx_register Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21igbvf: do vlan cleanupJiri Pirko
- unify vlan and nonvlan rx path - kill adapter->vlgrp and igbvf_vlan_rx_register Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21gianfar: do vlan cleanupJiri Pirko
- unify vlan and nonvlan rx path - kill priv->vlgrp and gfar_vlan_rx_register - allow to turn on/off rx/tx vlan accel via ethtool Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21enic: do vlan cleanupJiri Pirko
- unify vlan and nonvlan rx path - kill enic->vlan_group and enic_vlan_rx_register Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21cxgb4: remove forgotten unused vlan_groupJiri Pirko
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21cxgb4vf: do vlan cleanupJiri Pirko
- unify vlan and nonvlan rx path - kill pi->vlan_grp and cxgb4vf_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>
2011-07-21chelsio: do vlan cleanupJiri Pirko
- unify vlan and nonvlan rx path - kill adapter->vlan_grp and t1_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>
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