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2013-11-13list: introduce list_next_entry() and list_prev_entry()Oleg Nesterov
Add two trivial helpers list_next_entry() and list_prev_entry(), they can have a lot of users including list.h itself. In fact the 1st one is already defined in events/core.c and bnx2x_sp.c, so the patch simply moves the definition to list.h. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Cc: Eilon Greenstein <eilong@broadcom.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-12Merge tag 'devicetree-for-3.13' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree updates from Rob Herring: "DeviceTree updates for 3.13. This is a bit larger pull request than usual for this cycle with lots of clean-up. - Cross arch clean-up and consolidation of early DT scanning code. - Clean-up and removal of arch prom.h headers. Makes arch specific prom.h optional on all but Sparc. - Addition of interrupts-extended property for devices connected to multiple interrupt controllers. - Refactoring of DT interrupt parsing code in preparation for deferred probe of interrupts. - ARM cpu and cpu topology bindings documentation. - Various DT vendor binding documentation updates" * tag 'devicetree-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (82 commits) powerpc: add missing explicit OF includes for ppc dt/irq: add empty of_irq_count for !OF_IRQ dt: disable self-tests for !OF_IRQ of: irq: Fix interrupt-map entry matching MIPS: Netlogic: replace early_init_devtree() call of: Add Panasonic Corporation vendor prefix of: Add Chunghwa Picture Tubes Ltd. vendor prefix of: Add AU Optronics Corporation vendor prefix of/irq: Fix potential buffer overflow of/irq: Fix bug in interrupt parsing refactor. of: set dma_mask to point to coherent_dma_mask of: add vendor prefix for PHYTEC Messtechnik GmbH DT: sort vendor-prefixes.txt of: Add vendor prefix for Cadence of: Add empty for_each_available_child_of_node() macro definition arm/versatile: Fix versatile irq specifications. of/irq: create interrupts-extended property microblaze/pci: Drop PowerPC-ism from irq parsing of/irq: Create of_irq_parse_and_map_pci() to consolidate arch code. of/irq: Use irq_of_parse_and_map() ...
2013-11-12Merge tag 'h8300-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull h8300 platform removal from Guenter Roeck: "The patch series has been in -next for more than one relase cycle. I did get a number of Acks, and no objections. H8/300 has been dead for several years, the kernel for it has not compiled for ages, and recent versions of gcc for it are broken. Remove support for it" * tag 'h8300-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: CREDITS: Add Yoshinori Sato for h8300 fs/minix: Drop dependency on H8300 Drop remaining references to H8/300 architecture Drop MAINTAINERS entry for H8/300 watchdog: Drop references to H8300 architecture net/ethernet: Drop H8/300 Ethernet driver net/ethernet: smsc9194: Drop conditional code for H8/300 ide: Drop H8/300 driver Drop support for Renesas H8/300 (h8300) architecture
2013-11-07Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds
Pull MIPS updates from Ralf Baechle: - Some minor work bringing the Cobalt MIPS platforms in line with other MIPS platforms - Make vmlinux.32 and vmlinux.64 build messages less verbose - Always register the R4k clocksource when selected, the clock source's rating will decide if this or another clock source is actually going to be used - Drop support for the Cisco (formerly Scientific Atlanta) PowerTV platform. There appears to be nobody left who cares and the USB driver went stale while waiting for years to be merged - Some cleanup of Loongson 2 related #ifdefery - Various minor cleanups - Major rework on all things related to tracing / ptrace on MIPS, including switching the MIPS ELF core dumper to regsets, enabling the entries for SIGSYS in struct siginfo for MIPS, enabling ftrace syscall trace points - Some more work to bring DECstation support code in line with other more modern code - Report the name of the detected CPU, not just its CP0 PrID value - Some more BCM 47xx and atheros ath79xx work - Support for compressed kernels using the XZ compression scheme * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (53 commits) MIPS: remove duplicate define MIPS: Random whitespace clean-ups MIPS: traps: Reformat notify_die invocations to 80 columns. MIPS: Print correct PC in trace dump after NMI exception MIPS: kernel: cpu-probe: Report CPU id during probe MIPS: Remove unused defines in piix4.h MIPS: Get rid of hard-coded values for Malta PIIX4 fixups MIPS: Always register R4K clock when selected MIPS: Loongson: Get rid of Loongson 2 #ifdefery all over arch/mips. MIPS: cacheops.h: Increase indentation by one tab. MIPS: Remove bogus BUG_ON() MIPS: PowerTV: Remove support code. MIPS: ftrace: Add support for syscall tracepoints. MIPS: ptrace: Switch syscall reporting to tracehook_report_syscall_entry(). MIPS: Move audit_arch() helper function to __syscall_get_arch(). MIPS: Enable HAVE_ARCH_TRACEHOOK. MIPS: Switch ELF core dumper to use regsets. MIPS: Implement task_user_regset_view. MIPS: ptrace: Use tracehook helpers. MIPS: O32 / 32-bit: Always copy 4 stack arguments. ...
2013-11-07Merge remote-tracking branch 'grant/devicetree/next' into for-nextRob Herring
2013-11-07Merge tag 'driver-core-3.13-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core / sysfs patches from Greg KH: "Here's the big driver core / sysfs update for 3.13-rc1. There's lots of dev_groups updates for different subsystems, as they all get slowly migrated over to the safe versions of the attribute groups (removing userspace races with the creation of the sysfs files.) Also in here are some kobject updates, devres expansions, and the first round of Tejun's sysfs reworking to enable it to be used by other subsystems as a backend for an in-kernel filesystem. All of these have been in linux-next for a while with no reported issues" * tag 'driver-core-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (83 commits) sysfs: rename sysfs_assoc_lock and explain what it's about sysfs: use generic_file_llseek() for sysfs_file_operations sysfs: return correct error code on unimplemented mmap() mdio_bus: convert bus code to use dev_groups device: Make dev_WARN/dev_WARN_ONCE print device as well as driver name sysfs: separate out dup filename warning into a separate function sysfs: move sysfs_hash_and_remove() to fs/sysfs/dir.c sysfs: remove unused sysfs_get_dentry() prototype sysfs: honor bin_attr.attr.ignore_lockdep sysfs: merge sysfs_elem_bin_attr into sysfs_elem_attr devres: restore zeroing behavior of devres_alloc() sysfs: fix sysfs_write_file for bin file input: gameport: convert bus code to use dev_groups input: serio: remove bus usage of dev_attrs input: serio: use DEVICE_ATTR_RO() i2o: convert bus code to use dev_groups memstick: convert bus code to use dev_groups tifm: convert bus code to use dev_groups virtio: convert bus code to use dev_groups ipack: convert bus code to use dev_groups ...
2013-11-04net/mlx4_core: Fix call to __mlx4_unregister_macJack Morgenstein
In function mlx4_master_deactivate_admin_state() __mlx4_unregister_mac was called using the MAC index. It should be called with the value of the MAC itself. Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-31can: kvaser_usb: fix usb endpoints detectionOlivier Sobrie
Some devices, like the Kvaser Memorator Professional, have several bulk in endpoints. Only the first one found must be used by the driver. The same holds for the bulk out endpoint. The official Kvaser driver (leaf) was used as reference for this patch. Cc: linux-stable <stable@vger.kernel.org> Signed-off-by: Olivier Sobrie <olivier@sobrie.be> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2013-10-31can: c_can: Fix RX message handling, handle lost message before EOBMarkus Pargmann
If we handle end of block messages with higher priority than a lost message, we can run into an endless interrupt loop. This is reproducable with a am335x processor and "cansequence -r" at 1Mbit. As soon as we loose a packet we can't escape from an interrupt loop. This patch fixes the problem by handling lost packets before EOB packets. Cc: linux-stable <stable@vger.kernel.org> Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2013-10-30bgmac: don't update slot on skb alloc/dma mapping errorNathan Hintz
Don't update the slot in "bgmac_dma_rx_skb_for_slot" unless both the skb alloc and dma mapping are successful; and free the newly allocated skb if a dma mapping error occurs. This relieves the caller of the need to deduce/execute the appropriate cleanup action required when an error occurs. Signed-off-by: Nathan Hintz <nlhintz@hotmail.com> Acked-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-30ibm emac: Fix locking for enable/disable eob irqAlistair Popple
Calls to mal_enable_eob_irq perform a read-write-modify of a dcr to enable device irqs which is protected by a spin lock. However calls to mal_disable_eob_irq do not take the corresponding lock. This patch resolves the problem by ensuring that calls to mal_disable_eob_irq also take the lock. Signed-off-by: Alistair Popple <alistair@popple.id.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-30ibm emac: Don't call napi_complete if napi_reschedule failedAlistair Popple
This patch fixes a bug which would trigger the BUG_ON() at net/core/dev.c:4156. It was found that this was due to continuing processing in the current poll call even when the call to napi_reschedule failed, indicating the device was already on the polling list. This resulted in an extra call to napi_complete which triggered the BUG_ON(). This patch ensures that we only contine processing rotting packets in the current mal_poll call if we are not already on the polling list. Signed-off-by: Alistair Popple <alistair@popple.id.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-30virtio-net: correctly handle cpu hotplug notifier during resumingJason Wang
commit 3ab098df35f8b98b6553edc2e40234af512ba877 (virtio-net: don't respond to cpu hotplug notifier if we're not ready) tries to bypass the cpu hotplug notifier by checking the config_enable and does nothing is it was false. So it need to try to hold the config_lock mutex which may happen in atomic environment which leads the following warnings: [ 622.944441] CPU0 attaching NULL sched-domain. [ 622.944446] CPU1 attaching NULL sched-domain. [ 622.944485] CPU0 attaching NULL sched-domain. [ 622.950795] BUG: sleeping function called from invalid context at kernel/mutex.c:616 [ 622.950796] in_atomic(): 1, irqs_disabled(): 1, pid: 10, name: migration/1 [ 622.950796] no locks held by migration/1/10. [ 622.950798] CPU: 1 PID: 10 Comm: migration/1 Not tainted 3.12.0-rc5-wl-01249-gb91e82d #317 [ 622.950799] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 622.950802] 0000000000000000 ffff88001d42dba0 ffffffff81a32f22 ffff88001bfb9c70 [ 622.950803] ffff88001d42dbb0 ffffffff810edb02 ffff88001d42dc38 ffffffff81a396ed [ 622.950805] 0000000000000046 ffff88001d42dbe8 ffffffff810e861d 0000000000000000 [ 622.950805] Call Trace: [ 622.950810] [<ffffffff81a32f22>] dump_stack+0x54/0x74 [ 622.950815] [<ffffffff810edb02>] __might_sleep+0x112/0x114 [ 622.950817] [<ffffffff81a396ed>] mutex_lock_nested+0x3c/0x3c6 [ 622.950818] [<ffffffff810e861d>] ? up+0x39/0x3e [ 622.950821] [<ffffffff8153ea7c>] ? acpi_os_signal_semaphore+0x21/0x2d [ 622.950824] [<ffffffff81565ed1>] ? acpi_ut_release_mutex+0x5e/0x62 [ 622.950828] [<ffffffff816d04ec>] virtnet_cpu_callback+0x33/0x87 [ 622.950830] [<ffffffff81a42576>] notifier_call_chain+0x3c/0x5e [ 622.950832] [<ffffffff810e86a8>] __raw_notifier_call_chain+0xe/0x10 [ 622.950835] [<ffffffff810c5556>] __cpu_notify+0x20/0x37 [ 622.950836] [<ffffffff810c5580>] cpu_notify+0x13/0x15 [ 622.950838] [<ffffffff81a237cd>] take_cpu_down+0x27/0x3a [ 622.950841] [<ffffffff81136289>] stop_machine_cpu_stop+0x93/0xf1 [ 622.950842] [<ffffffff81136167>] cpu_stopper_thread+0xa0/0x12f [ 622.950844] [<ffffffff811361f6>] ? cpu_stopper_thread+0x12f/0x12f [ 622.950847] [<ffffffff81119710>] ? lock_release_holdtime.part.7+0xa3/0xa8 [ 622.950848] [<ffffffff81135e4b>] ? cpu_stop_should_run+0x3f/0x47 [ 622.950850] [<ffffffff810ea9b0>] smpboot_thread_fn+0x1c5/0x1e3 [ 622.950852] [<ffffffff810ea7eb>] ? lg_global_unlock+0x67/0x67 [ 622.950854] [<ffffffff810e36b7>] kthread+0xd8/0xe0 [ 622.950857] [<ffffffff81a3bfad>] ? wait_for_common+0x12f/0x164 [ 622.950859] [<ffffffff810e35df>] ? kthread_create_on_node+0x124/0x124 [ 622.950861] [<ffffffff81a45ffc>] ret_from_fork+0x7c/0xb0 [ 622.950862] [<ffffffff810e35df>] ? kthread_create_on_node+0x124/0x124 [ 622.950876] smpboot: CPU 1 is now offline [ 623.194556] SMP alternatives: lockdep: fixing up alternatives [ 623.194559] smpboot: Booting Node 0 Processor 1 APIC 0x1 ... A correct fix is to unregister the hotcpu notifier during restore and register a new one in resume. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Tested-by: Fengguang Wu <fengguang.wu@intel.com> Cc: Wanlong Gao <gaowanlong@cn.fujitsu.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Wanlong Gao <gaowanlong@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-29mdio_bus: convert bus code to use dev_groupsGreg Kroah-Hartman
The dev_attrs field of struct bus_type is going away soon, dev_groups should be used instead. This converts the MDIO bus code to use the correct field. Cc: David S. Miller <davem@davemloft.net> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Nick Bowler <nbowler@elliptictech.com> Cc: <netdev@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-29MIPS: DECstation I/O ASIC DMA interrupt classesMaciej W. Rozycki
This change complements commits d0da7c002f7b2a93582187a9e3f73891a01d8ee4 [MIPS: DEC: Convert to new irq_chip functions] and 5359b938c088423a28c41499f183cd10824c1816 [MIPS: DECstation I/O ASIC DMA interrupt handling fix] and implements automatic handling of the two classes of DMA interrupts the I/O ASIC implements, informational and errors. Informational DMA interrupts do not stop the transfer and use the `handle_edge_irq' handler that clears the request right away so that another request may be recorded while the previous is being handled. DMA error interrupts stop the transfer and require a corrective action before DMA can be reenabled. Therefore they use the `handle_fasteoi_irq' handler that only clears the request on the way out. Because MIPS processor interrupt inputs, one of which the I/O ASIC's interrupt controller is cascaded to, are level-triggered it is recommended that error DMA interrupt action handlers are registered with the IRQF_ONESHOT flag set so that they are run with the interrupt line masked. This change removes the export of clear_ioasic_dma_irq that now does not have to be called by device drivers to clear interrupts explicitly anymore. Originally these interrupts were cleared in the .end handler of the `irq_chip' structure, before it was removed. Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5874/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-10-29xen-netback: use jiffies_64 value to calculate credit timeoutWei Liu
time_after_eq() only works if the delta is < MAX_ULONG/2. For a 32bit Dom0, if netfront sends packets at a very low rate, the time between subsequent calls to tx_credit_exceeded() may exceed MAX_ULONG/2 and the test for timer_after_eq() will be incorrect. Credit will not be replenished and the guest may become unable to send packets (e.g., if prior to the long gap, all credit was exhausted). Use jiffies_64 variant to mitigate this problem for 32bit Dom0. Suggested-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Wei Liu <wei.liu2@citrix.com> Reviewed-by: David Vrabel <david.vrabel@citrix.com> Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Jason Luan <jianhai.luan@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-29cxgb3: Fix length calculation in write_ofld_wr() on 32-bit architecturesBen Hutchings
The length calculation here is now invalid on 32-bit architectures, since sk_buff::tail is a pointer and sk_buff::transport_header is an integer offset: drivers/net/ethernet/chelsio/cxgb3/sge.c: In function 'write_ofld_wr': drivers/net/ethernet/chelsio/cxgb3/sge.c:1603:9: warning: passing argument 4 of 'make_sgl' makes integer from pointer without a cast [enabled by default] adap->pdev); ^ drivers/net/ethernet/chelsio/cxgb3/sge.c:964:28: note: expected 'unsigned int' but argument is of type 'sk_buff_data_t' static inline unsigned int make_sgl(const struct sk_buff *skb, ^ Use the appropriate skb accessor functions. Compile-tested only. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Fixes: 1a37e412a022 ('net: Use 16bits for *_headers fields of struct skbuff') Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-29bnx2x: Disable VF access on PF removalAriel Elior
When the bnx2x driver is rmmoded, if VFs of a given PF will be assigned to a VM then that PF will be unable to call `pci_disable_sriov()'. If for that same PF there would also exist unassigned VFs in the hypervisor, the result will be that after the removal there will still be virtual PCI functions on the hypervisor. If the bnx2x module were to be re-inserted, the result will be that the VFs on the hypervisor will be re-probed directly following the PF's probe, even though that in regular loading flow sriov is only enabled once PF is loaded. The probed VF will then try to access its bar, causing a PCI error as the HW is not in a state enabling such a request. This patch adds a missing disablement procedure to the PF's removal, one that sets registers viewable to the VF to indicate that the VFs have no permission to access the bar, thus resulting in probe errors instead of PCI errors. Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-29bnx2x: prevent FW assert on low mem during unloadDmitry Kravkov
Buffers for FW statistics were allocated at an inappropriate time; In a machine where the driver encounters problems allocating all of its queues, the driver would still create FW requests for the statistics of the non-existing queues. The wrong order of memory allocation could lead to zeroed statistics messages being sent, leading to fw assert in case function 0 was down. This changes the order of allocations, guaranteeing that statistic requests will only be generated for actual queues. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-27be2net: Warn users of possible broken functionality on BE2 cards with very ↵Somnath Kotur
old FW versions with latest driver On very old FW versions < 4.0, the mailbox command to set interrupts on the card succeeds even though it is not supported and should have failed, leading to a scenario where interrupts do not work. Hence warn users to upgrade to a suitable FW version to avoid seeing broken functionality. Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-26qlcnic: Do not read QLCNIC_FW_CAPABILITY_MORE_CAPS bit for 83xx adapterShahed Shaikh
Only 82xx adapter advertises QLCNIC_FW_CAPABILITY_MORE_CAPS bit. Reading this bit from 83xx adapter causes the driver to skip extra capabilities registers. Because of this, driver was not issuing qlcnic_fw_cmd_set_drv_version() for 83xx adapter. This bug was introduced in commit 8af3f33db05c6d0146ad14905145a5c923770856 ("qlcnic: Add support for 'set driver version' in 83XX"). Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-26qlcnic: Do not force adapter to perform LRO without destination IP checkShahed Shaikh
Forcing adapter to perform LRO without destination IP check degrades the performance. Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-25ax88179_178a: Remove AX_MEDIUM_ALWAYS_ONE bit in AX_MEDIUM_STATUS_MODE ↵Freddy Xin
register to avoid TX throttling Remove AX_MEDIUM_ALWAYS_ONE in AX_MEDIUM_STATUS_MODE register. Setting this bit may cause TX throttling in Half-Duplex mode. Signed-off-by: Freddy Xin <freddy@asix.com.tw> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-25netconsole: fix multiple race conditionsNikolay Aleksandrov
In every netconsole option that can be set through configfs there's a race when checking for nt->enabled since it can be modified at the same time. Probably the most damage can be done by store_enabled when racing with another instance of itself. Fix all the races with one stone by moving the mutex lock around the ->store call for all options. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-25netconsole: fix NULL pointer dereferenceNikolay Aleksandrov
We need to disable the netconsole (enabled = 0) before setting nt->np.dev to NULL because otherwise we might still have users after the netpoll_cleanup() since nt->enabled is set afterwards and we can have a message which will result in a NULL pointer dereference. It is very easy to hit dereferences all over the netpoll_send_udp function by running the following two loops in parallel: while [ 1 ]; do echo 1 > enabled; echo 0 > enabled; done; while [ 1 ]; do echo 00:11:22:33:44:55 > remote_mac; done; (the second loop is to generate messages, it can be done by anything) We're safe to set nt->np.dev = NULL and nt->enabled = 0 with the spinlock since it's required in the write_msg() function. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Reviewed-by: Veacelsav Falico <vfalico@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-25net: wan: sbni: remove assembly crc32 codeSebastian Siewior
There is also a C function doing the same thing. Unless the asm code is 110% faster we could stick to the C function. Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-24of/irq: Use irq_of_parse_and_map()Thierry Reding
Replace some instances of of_irq_map_one()/irq_create_of_mapping() and of_irq_to_resource() by the simpler equivalent irq_of_parse_and_map(). Signed-off-by: Thierry Reding <treding@nvidia.com> Acked-by: Rob Herring <rob.herring@calxeda.com> [grant.likely: resolved conflicts with core code renames] Signed-off-by: Grant Likely <grant.likely@linaro.org>
2013-10-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: "Sorry I let so much accumulate, I was in Buffalo and wanted a few things to cook in my tree for a while before sending to you. Anyways, it's a lot of little things as usual at this stage in the game" 1) Make bonding MAINTAINERS entry reflect reality, from Andy Gospodarek. 2) Fix accidental sock_put() on timewait mini sockets, from Eric Dumazet. 3) Fix crashes in l2tp due to mis-handling of ipv4 mapped ipv6 addresses, from François CACHEREUL. 4) Fix heap overflow in __audit_sockaddr(), from the eagle eyed Dan Carpenter. 5) tcp_shifted_skb() doesn't take handle FINs properly, from Eric Dumazet. 6) SFC driver bug fixes from Ben Hutchings. 7) Fix TX packet scheduling wedge after channel change in ath9k driver, from Felix Fietkau. 8) Fix user after free in BPF JIT code, from Alexei Starovoitov. 9) Source address selection test is reversed in __ip_route_output_key(), fix from Jiri Benc. 10) VLAN and CAN layer mis-size netlink attributes, from Marc Kleine-Budde. 11) Fix permission checks in sysctls to use current_euid() instead of current_uid(). From Eric W Biederman. 12) IPSEC policies can go away while a timer is still pending for them, add appropriate ref-counting to fix, from Steffen Klassert. 13) Fix mis-programming of FDR and RMCR registers on R8A7740 sh_eth chips, from Nguyen Hong Ky and Simon Horman. 14) MLX4 forgets to DMA unmap pages on RX, fix from Amir Vadai. 15) IPV6 GRE tunnel MTU upper limit is miscalculated, from Oussama Ghorbel. 16) Fix typo in fq_change(), we were assigning "initial quantum" to "quantum". From Eric Dumazet. 17) Set a more appropriate sk_pacing_rate for non-TCP sockets, otherwise FQ packet scheduler does not pace those flows properly. Also from Eric Dumazet. 18) rtlwifi miscalculates packet pointers, from Mark Cave-Ayland. 19) l2tp_xmit_skb() can be called from process context, not just softirq context, so we must always make sure to BH disable around it. From Eric Dumazet. 20) On qdisc reset, we forget to purge the RB tree of SKBs in netem packet scheduler. From Stephen Hemminger. 21) Fix info leak in farsync WAN driver ioctl() handler, from Dan Carpenter and Salva Peiró. 22) Fix PHY reset and other issues in dm9000 driver, from Nikita Kiryanov and Michael Abbott. 23) When hardware can do SCTP crc32 checksums, we accidently don't disable the csum offload when IPSEC transformations have been applied. From Fan Du and Vlad Yasevich. 24) Tail loss probing in TCP leaves the socket in the wrong congestion avoidance state. From Yuchung Cheng. 25) In CPSW driver, enable NAPI before interrupts are turned on, from Markus Pargmann. 26) Integer underflow and dual-assignment in YAM hamradio driver, from Dan Carpenter. 27) If we are going to mangle a packet in tcp_set_skb_tso_segs() we must unclone it. This fixes various hard to track down crashes in drivers where the SKBs ->gso_segs was changing right from underneath the driver during TX queueing. From Eric Dumazet. 28) Fix the handling of VLAN IDs, and in particular the special IDs 0 and 4095, in the bridging layer. From Toshiaki Makita. 29) Another info leak, this time in wanxl WAN driver, from Salva Peiró. 30) Fix race in socket credential passing, from Daniel Borkmann. 31) WHen NETLABEL is disabled, we don't validate CIPSO packets properly, from Seif Mazareeb. 32) Fix identification of fragmented frames in ipv4/ipv6 UDP Fragmentation Offload output paths, from Jiri Pirko. 33) Virtual Function fixes in bnx2x driver from Yuval Mintz and Ariel Elior. 34) When we removed the explicit neighbour pointer from ipv6 routes a slight regression was introduced for users such as IPVS, xt_TEE, and raw sockets. We mix up the users requested destination address with the routes assigned nexthop/gateway. From Julian Anastasov and Simon Horman. 35) Fix stack overruns in rt6_probe(), the issue is that can end up doing two full packet xmit paths at the same time when emitting neighbour discovery messages. From Hannes Frederic Sowa. 36) davinci_emac driver doesn't handle IFF_ALLMULTI correctly, from Mariusz Ceier. 37) Make sure to set TCP sk_pacing_rate after the first legitimate RTT sample, from Neal Cardwell. 38) Wrong netlink attribute passed to xfrm_replay_verify_len(), from Steffen Klassert. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (152 commits) ax88179_178a: Add VID:DID for Samsung USB Ethernet Adapter ax88179_178a: Correct the RX error definition in RX header Revert "bridge: only expire the mdb entry when query is received" tcp: initialize passive-side sk_pacing_rate after 3WHS davinci_emac.c: Fix IFF_ALLMULTI setup mac802154: correct a typo in ieee802154_alloc_device() prototype ipv6: probe routes asynchronous in rt6_probe netfilter: nf_conntrack: fix rt6i_gateway checks for H.323 helper ipv6: fill rt6i_gateway with nexthop address ipv6: always prefer rt6i_gateway if present bnx2x: Set NETIF_F_HIGHDMA unconditionally bnx2x: Don't pretend during register dump bnx2x: Lock DMAE when used by statistic flow bnx2x: Prevent null pointer dereference on error flow bnx2x: Fix config when SR-IOV and iSCSI are enabled bnx2x: Fix Coalescing configuration bnx2x: Unlock VF-PF channel on MAC/VLAN config error bnx2x: Prevent an illegal pointer dereference during panic bnx2x: Fix Maximum CoS estimation for VFs drivers: net: cpsw: fix kernel warn during iperf test with interrupt pacing ...
2013-10-22ax88179_178a: Add VID:DID for Samsung USB Ethernet AdapterFreddy Xin
Add VID:DID for Samsung USB Ethernet Adapter. Signed-off-by: Freddy Xin <freddy@asix.com.tw> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-22ax88179_178a: Correct the RX error definition in RX headerFreddy Xin
Correct the definition of AX_RXHDR_CRC_ERR and AX_RXHDR_DROP_ERR. They are BIT29 and BIT31 in pkt_hdr seperately. Signed-off-by: Freddy Xin <freddy@asix.com.tw> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-21davinci_emac.c: Fix IFF_ALLMULTI setupMariusz Ceier
When IFF_ALLMULTI flag is set on interface and IFF_PROMISC isn't, emac_dev_mcast_set should only enable RX of multicasts and reset MACHASH registers. It does this, but afterwards it either sets up multicast MACs filtering or disables RX of multicasts and resets MACHASH registers again, rendering IFF_ALLMULTI flag useless. This patch fixes emac_dev_mcast_set, so that multicast MACs filtering and disabling of RX of multicasts are skipped when IFF_ALLMULTI flag is set. Tested with kernel 2.6.37. Signed-off-by: Mariusz Ceier <mceier+kernel@gmail.com> Acked-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-21bnx2x: Set NETIF_F_HIGHDMA unconditionallyMerav Sicron
Current driver implementation incorrectly sets the flag only if 64-bit DMA mask succeeded. Signed-off-by: Merav Sicron <meravs@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-21bnx2x: Don't pretend during register dumpDmitry Kravkov
As part of a register dump, the interface pretends to have the identity of other interfaces of the same physical device in order to perform HW configuration for them - specifically, it needs to prevent attentions from generating on those functions as the register dump accesses registers in common blocks which whose reading might generate an attention. However, such pretension is unsafe - unlike other flows in which the driver uses pretend, during register dump there is no guarantee no other HW access will take place (by other flows). If such access will take place, the HW will be accessed by the wrong interface, and leave both functions in an incorrect state. This patch removes all pretensions from the register dump flow. Instead, it changes initial configuration of attentions such that no fatal attention will be generated for other functions as a result of the register dump (notice however, a debug print claiming an attention from other functions IS possible during the register dump) Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-21bnx2x: Lock DMAE when used by statistic flowAriel Elior
bnx2x has several clients to its DMAE machines - all of them with the exception of the statistics flow used the same locking mechanisms to synchronize the DMAE machines' usage. Since statistics (which are periodically entered) use DMAE without taking the locks, they may erase the commands which were previously set - e.g., it may cause a VF to timeout while waiting for a PF answer on the VF-PF channel as that command header would have been overwritten by the statistics' header. This patch makes certain that all flows utilizing DMAE will use the same API, assuring that the locking scheme will be kept by all said flows. Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-21bnx2x: Prevent null pointer dereference on error flowYuval Mintz
If debug message is open and bnx2x_vfop_qdtor_cmd() were to fail, the resulting print would have caused a null pointer dereference. Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-21bnx2x: Fix config when SR-IOV and iSCSI are enabledAriel Elior
Starting with commit b9871bc "bnx2x: VF RSS support - PF side", if a PF will have SR-IOV supported in its PCI configuration space, storage drivers will not work for that interface. This patch fixes the resource calculation to allow such a configuration to properly work. Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-21bnx2x: Fix Coalescing configurationDmitry Kravkov
bnx2x drivers configure coalescing incorrectly (e.g., as a result of a call to 'ethtool -c'). Although this is almost invisible to the user (due to NAPI) designated tests will show the configuration is incorrect. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-21bnx2x: Unlock VF-PF channel on MAC/VLAN config errorAriel Elior
Current code returns upon failure, leaving the VF-PF in an unusable state; This patch adds the missing release so further commands could pass between PF and VF. Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-21bnx2x: Prevent an illegal pointer dereference during panicYuval Mintz
During a panic, the driver tries to print the Management FW buffer of recent commands. To do so, the driver reads the address of that buffer from a known address. If the buffer is unavailable (e.g., PCI reads don't work, MCP is failing, etc.), the driver will try to access the address it has read, possibly causing a kernel panic. This check 'sanitizes' the access, validating the read value is indeed a valid address inside the management FW's buffers. The patch also removes a read outside the scope of the buffer, which resulted in some unrelated chraracters appearing in the log. Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-21bnx2x: Fix Maximum CoS estimation for VFsYuval Mintz
bnx2x VFs do not support Multi-CoS; Current implementation erroneously sets the VFs maximal number of CoS to be > 1. This will cause the driver to call alloc_etherdev_mqs() with a number of queues it cannot possibly support and reflects in 'odd' driver prints. Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-21drivers: net: cpsw: fix kernel warn during iperf test with interrupt pacingMugunthan V N
When interrupt pacing is enabled, receive/transmit statistics are not updated properly by hardware which leads to ISR return with IRQ_NONE and inturn kernel disables the interrupt. This patch removed the checking of receive/transmit statistics from ISR. This patch is verified with AM335x Beagle Bone Black and below is the kernel warn when interrupt pacing is enabled. [ 104.298254] irq 58: nobody cared (try booting with the "irqpoll" option) [ 104.305356] CPU: 0 PID: 1073 Comm: iperf Not tainted 3.12.0-rc3-00342-g77d4015 #3 [ 104.313284] [<c001bb84>] (unwind_backtrace+0x0/0xf0) from [<c0017db0>] (show_stack+0x10/0x14) [ 104.322282] [<c0017db0>] (show_stack+0x10/0x14) from [<c0507920>] (dump_stack+0x78/0x94) [ 104.330816] [<c0507920>] (dump_stack+0x78/0x94) from [<c0088c1c>] (__report_bad_irq+0x20/0xc0) [ 104.339889] [<c0088c1c>] (__report_bad_irq+0x20/0xc0) from [<c008912c>] (note_interrupt+0x1dc/0x23c) [ 104.349505] [<c008912c>] (note_interrupt+0x1dc/0x23c) from [<c0086d74>] (handle_irq_event_percpu+0xc4/0x238) [ 104.359851] [<c0086d74>] (handle_irq_event_percpu+0xc4/0x238) from [<c0086f24>] (handle_irq_event+0x3c/0x5c) [ 104.370198] [<c0086f24>] (handle_irq_event+0x3c/0x5c) from [<c008991c>] (handle_level_irq+0xac/0x10c) [ 104.379907] [<c008991c>] (handle_level_irq+0xac/0x10c) from [<c00866d8>] (generic_handle_irq+0x20/0x30) [ 104.389812] [<c00866d8>] (generic_handle_irq+0x20/0x30) from [<c0014ce8>] (handle_IRQ+0x4c/0xb0) [ 104.399066] [<c0014ce8>] (handle_IRQ+0x4c/0xb0) from [<c000856c>] (omap3_intc_handle_irq+0x60/0x74) [ 104.408598] [<c000856c>] (omap3_intc_handle_irq+0x60/0x74) from [<c050d8e4>] (__irq_svc+0x44/0x5c) [ 104.418021] Exception stack(0xde4f7c00 to 0xde4f7c48) [ 104.423345] 7c00: 00000001 00000000 00000000 dd002140 60000013 de006e54 00000002 00000000 [ 104.431952] 7c20: de345748 00000040 c11c8588 00018ee0 00000000 de4f7c48 c009dfc8 c050d300 [ 104.440553] 7c40: 60000013 ffffffff [ 104.444237] [<c050d8e4>] (__irq_svc+0x44/0x5c) from [<c050d300>] (_raw_spin_unlock_irqrestore+0x34/0x44) [ 104.454220] [<c050d300>] (_raw_spin_unlock_irqrestore+0x34/0x44) from [<c00868c0>] (__irq_put_desc_unlock+0x14/0x38) [ 104.465295] [<c00868c0>] (__irq_put_desc_unlock+0x14/0x38) from [<c0088068>] (enable_irq+0x4c/0x74) [ 104.474829] [<c0088068>] (enable_irq+0x4c/0x74) from [<c03abd24>] (cpsw_poll+0xb8/0xdc) [ 104.483276] [<c03abd24>] (cpsw_poll+0xb8/0xdc) from [<c044ef68>] (net_rx_action+0xc0/0x1e8) [ 104.492085] [<c044ef68>] (net_rx_action+0xc0/0x1e8) from [<c0048a90>] (__do_softirq+0x100/0x27c) [ 104.501338] [<c0048a90>] (__do_softirq+0x100/0x27c) from [<c0048cd0>] (do_softirq+0x68/0x70) [ 104.510224] [<c0048cd0>] (do_softirq+0x68/0x70) from [<c0048e8c>] (local_bh_enable+0xd0/0xe4) [ 104.519211] [<c0048e8c>] (local_bh_enable+0xd0/0xe4) from [<c048c774>] (tcp_rcv_established+0x450/0x648) [ 104.529201] [<c048c774>] (tcp_rcv_established+0x450/0x648) from [<c0494904>] (tcp_v4_do_rcv+0x154/0x474) [ 104.539195] [<c0494904>] (tcp_v4_do_rcv+0x154/0x474) from [<c043d750>] (release_sock+0xac/0x1ac) [ 104.548448] [<c043d750>] (release_sock+0xac/0x1ac) from [<c04844e8>] (tcp_recvmsg+0x4d0/0xa8c) [ 104.557528] [<c04844e8>] (tcp_recvmsg+0x4d0/0xa8c) from [<c04a8720>] (inet_recvmsg+0xcc/0xf0) [ 104.566507] [<c04a8720>] (inet_recvmsg+0xcc/0xf0) from [<c0439744>] (sock_recvmsg+0x90/0xb0) [ 104.575394] [<c0439744>] (sock_recvmsg+0x90/0xb0) from [<c043b778>] (SyS_recvfrom+0x88/0xd8) [ 104.584280] [<c043b778>] (SyS_recvfrom+0x88/0xd8) from [<c043b7e0>] (sys_recv+0x18/0x20) [ 104.592805] [<c043b7e0>] (sys_recv+0x18/0x20) from [<c0013da0>] (ret_fast_syscall+0x0/0x48) [ 104.601587] handlers: [ 104.603992] [<c03acd94>] cpsw_interrupt [ 104.608040] Disabling IRQ #58 Cc: Sebastian Siewior <bigeasy@linutronix.de> Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-19Merge 3.12-rc6 into driver-core-nextGreg Kroah-Hartman
We want these fixes here too. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-18qlcnic: Validate Tx queue only for 82xx adapters.Himanshu Madhani
o validate Tx queue only in case of adapters which supports multi Tx queue. This patch is to fix regression introduced in commit aa4a1f7df7cbb98797c9f4edfde3c726e2b3841f "qlcnic: Enable Tx queue changes using ethtool for 82xx Series adapter" Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-18be2net: pass if_id for v1 and V2 versions of TX_CREATE cmdVasundhara Volam
It is a required field for all TX_CREATE cmd versions > 0. This fixes a driver initialization failure, caused by recent SH-R Firmwares (versions > 10.0.639.0) failing the TX_CREATE cmd when if_id field is not passed. Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-18wanxl: fix info leak in ioctlSalva Peiró
The wanxl_ioctl() code fails to initialize the two padding bytes of struct sync_serial_settings after the ->loopback member. Add an explicit memset(0) before filling the structure to avoid the info leak. Signed-off-by: Salva Peiró <speiro@ai2.upv.es> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-17Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless John W. Linville says: ==================== Please pull this batch of fixes intended for the 3.12 stream! For the mac80211 bits, Johannes says: "Jouni fixes a remain-on-channel vs. scan bug, and Felix fixes client TX probing on VLANs." And also: "This time I have two fixes from Emmanuel for RF-kill issues, and fixed two issues reported by Evan Huus and Thomas Lindroth respectively." On top of those... Avinash Patil adds a couple of mwifiex fixes to properly inform cfg80211 about some different types of disconnects, avoiding WARNINGs. Mark Cave-Ayland corrects a pointer arithmetic problem in rtlwifi, avoiding incorrect automatic gain calculations. Solomon Peachy sends a cw1200 fix for locking around calls to cw1200_irq_handler, addressing "lost interrupt" problems. Please let me know if there are problems! ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-17net: qmi_wwan: Olivetti Olicard 200 supportEnrico Mioso
This is a QMI device, manufactured by TCT Mobile Phones. A companion patch blacklisting this device's QMI interface in the option.c driver has been sent. Signed-off-by: Enrico Mioso <mrkiko.rs@gmail.com> Signed-off-by: Antonella Pellizzari <anto.pellizzari83@gmail.com> Tested-by: Dan Williams <dcbw@redhat.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-17virtio-net: refill only when device is up during setting queuesJason Wang
We used to schedule the refill work unconditionally after changing the number of queues. This may lead an issue if the device is not up. Since we only try to cancel the work in ndo_stop(), this may cause the refill work still work after removing the device. Fix this by only schedule the work when device is up. The bug were introduce by commit 9b9cd8024a2882e896c65222aa421d461354e3f2. (virtio-net: fix the race between channels setting and refill) Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-17virtio-net: don't respond to cpu hotplug notifier if we're not readyJason Wang
We're trying to re-configure the affinity unconditionally in cpu hotplug callback. This may lead the issue during resuming from s3/s4 since - virt queues haven't been allocated at that time. - it's unnecessary since thaw method will re-configure the affinity. Fix this issue by checking the config_enable and do nothing is we're not ready. The bug were introduced by commit 8de4b2f3ae90c8fc0f17eeaab87d5a951b66ee17 (virtio-net: reset virtqueue affinity when doing cpu hotplug). Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Wanlong Gao <gaowanlong@cn.fujitsu.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Wanlong Gao <gaowanlong@cn.fujitsu.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-17yam: remove a no-op in yam_ioctl()Dan Carpenter
We overwrite the ->bitrate with the user supplied information on the next line. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
generated by cgit v0.10.2 at 2024-11-16 12:21:34 (GMT)