swh:1:snp:173f8deb0c56c557784b4fd217e7608ac6197844

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2198edd HID: default HID_BATTERY_STRENGTH to no Commit 4f5ca836b "HID: hid-input: add support for HID devices reporting Battery Strength" added the CONFIG_HID_BATTERY_STRENGTH option to report the battery strength of HID devices. The commit log explicitly mentions it not working properly with recent userspace, but it is default y anyway. This is rather odd, and actually causes problems on real systems. This works around Fedora bug https://bugzilla.redhat.com/show_bug.cgi?id=806295 Signed-off-by: Josh Boyer <jwboyer@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> 19 April 2012, 12:16:43 UTC
2cee571 HID: tivo: fix support for bluetooth version of tivo Slide The device is a bluetooth device, but one occurence by mistake had marked it as USB. Reported-by: Joshua Dillon <jvdillon@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> 30 March 2012, 13:28:59 UTC
d464c92 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid Pull HID updates from Jiri Kosina: "It contains HID driver updates all over the place -- a lot of new hardware support especially in the multitouch area, including generic handling of all multitouch devices by the hid-multitiouch driver automatically." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (42 commits) HID: multitouch: add PID for Fructel product HID: wacom: Add reporting of wheel for Intuos4 WL HID: wacom: Replace __set_bit with input_set_capability HID: tivo: add support for BT-version (0x1200) HID: wacom: Reset stylus buttons - Intuos4 WL HID: multitouch: detect serial protocol HID: handle all multitouch devices through hid-multitouch HID: multitouch: fix handling of buggy reports descriptors for Dell ST2220T HID: make it possible to force hid-core claim the device HID: multitouch: add support for eGalax 0x722a HID: usbhid: add quirk no_get for quanta 3008 devices HID: multitouch: add more eGalax devices HID: multitouch: add new PID from Ideacom HID: multitouch: add support for Atmel maXTouch 03eb:2118 HID: waltop: Add support for tablet with PID 0038 HID: waltop: Replace original rdescs with links HID: uclogic: Replace original rdescs with links HID: wacom: Add pad buttons reporting on Intuos4 WL HID: wacom: report distance for Intuos4 WL HID: kye: Add support for 3 tablets ... 21 March 2012, 04:11:42 UTC
3b59bf0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next Pull networking merge from David Miller: "1) Move ixgbe driver over to purely page based buffering on receive. From Alexander Duyck. 2) Add receive packet steering support to e1000e, from Bruce Allan. 3) Convert TCP MD5 support over to RCU, from Eric Dumazet. 4) Reduce cpu usage in handling out-of-order TCP packets on modern systems, also from Eric Dumazet. 5) Support the IP{,V6}_UNICAST_IF socket options, making the wine folks happy, from Erich Hoover. 6) Support VLAN trunking from guests in hyperv driver, from Haiyang Zhang. 7) Support byte-queue-limtis in r8169, from Igor Maravic. 8) Outline code intended for IP_RECVTOS in IP_PKTOPTIONS existed but was never properly implemented, Jiri Benc fixed that. 9) 64-bit statistics support in r8169 and 8139too, from Junchang Wang. 10) Support kernel side dump filtering by ctmark in netfilter ctnetlink, from Pablo Neira Ayuso. 11) Support byte-queue-limits in gianfar driver, from Paul Gortmaker. 12) Add new peek socket options to assist with socket migration, from Pavel Emelyanov. 13) Add sch_plug packet scheduler whose queue is controlled by userland daemons using explicit freeze and release commands. From Shriram Rajagopalan. 14) Fix FCOE checksum offload handling on transmit, from Yi Zou." * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1846 commits) Fix pppol2tp getsockname() Remove printk from rds_sendmsg ipv6: fix incorrent ipv6 ipsec packet fragment cpsw: Hook up default ndo_change_mtu. net: qmi_wwan: fix build error due to cdc-wdm dependecy netdev: driver: ethernet: Add TI CPSW driver netdev: driver: ethernet: add cpsw address lookup engine support phy: add am79c874 PHY support mlx4_core: fix race on comm channel bonding: send igmp report for its master fs_enet: Add MPC5125 FEC support and PHY interface selection net: bpf_jit: fix BPF_S_LDX_B_MSH compilation net: update the usage of CHECKSUM_UNNECESSARY fcoe: use CHECKSUM_UNNECESSARY instead of CHECKSUM_PARTIAL on tx net: do not do gso for CHECKSUM_UNNECESSARY in netif_needs_gso ixgbe: Fix issues with SR-IOV loopback when flow control is disabled net/hyperv: Fix the code handling tx busy ixgbe: fix namespace issues when FCoE/DCB is not enabled rtlwifi: Remove unused ETH_ADDR_LEN defines igbvf: Use ETH_ALEN ... Fix up fairly trivial conflicts in drivers/isdn/gigaset/interface.c and drivers/net/usb/{Kconfig,qmi_wwan.c} as per David. 21 March 2012, 04:04:47 UTC
e45836f Merge branch 'for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull workqueue changes from Tejun Heo: "This contains only one commit which cleans up UP allocation path a bit." * 'for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: use percpu allocator for cwq on UP 21 March 2012, 01:13:22 UTC
0d9cabd Merge branch 'for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup changes from Tejun Heo: "Out of the 8 commits, one fixes a long-standing locking issue around tasklist walking and others are cleanups." * 'for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: Walk task list under tasklist_lock in cgroup_enable_task_cg_list cgroup: Remove wrong comment on cgroup_enable_task_cg_list() cgroup: remove cgroup_subsys argument from callbacks cgroup: remove extra calls to find_existing_css_set cgroup: replace tasklist_lock with rcu_read_lock cgroup: simplify double-check locking in cgroup_attach_proc cgroup: move struct cgroup_pidlist out from the header file cgroup: remove cgroup_attach_task_current_cg() 21 March 2012, 01:11:21 UTC
701085b exec: move de_thread()->setmax_mm_hiwater_rss() into exec_mmap() Minor cleanup. de_thread()->setmax_mm_hiwater_rss() looks a bit strange, move it into exec_mmap() which plays with old_mm. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 20 March 2012, 21:16:50 UTC
b6e238d exit_signal: fix the "parent has changed security domain" logic exit_notify() changes ->exit_signal if the parent already did exec. This doesn't really work, we are not going to send the signal now if there is another live thread or the exiting task is traced. The parent can exec before the last dies or the tracer detaches. Move this check into do_notify_parent() which actually sends the signal. The user-visible change is that we do not change ->exit_signal, and thus the exiting task is still "clone children" for do_wait()->eligible_child(__WCLONE). Hopefully this is fine, the current logic is racy anyway. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 20 March 2012, 21:16:50 UTC
e636825 exit_signal: simplify the "we have changed execution domain" logic exit_notify() checks "tsk->self_exec_id != tsk->parent_exec_id" to handle the "we have changed execution domain" case. We can change do_thread() to always set ->exit_signal = SIGCHLD and remove this check to simplify the code. We could change setup_new_exec() instead, this looks more logical because it increments ->self_exec_id. But note that de_thread() already resets ->exit_signal if it changes the leader, let's keep both changes close to each other. Note that we change ->exit_signal lockless, this changes the rules. Thereafter ->exit_signal is not stable under tasklist but this is fine, the only possible change is OLDSIG -> SIGCHLD. This can race with eligible_child() but the race is harmless. We can race with reparent_leader() which changes our ->exit_signal in parallel, but it does the same change to SIGCHLD. The noticeable user-visible change is that the execing task is not "visible" to do_wait()->eligible_child(__WCLONE) right after exec. To me this looks more logical, and this is consistent with mt case. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 20 March 2012, 21:16:50 UTC
5f8aadd CLONE_PARENT shouldn't allow to set ->exit_signal The child must not control its ->exit_signal, it is the parent who decides which signal the child should use for notification. This means that CLONE_PARENT should not use "clone_flags & CSIGNAL", the forking task is the sibling of the new process and their parent doesn't control exit_signal in this case. This patch uses ->exit_signal of the forking process, but perhaps we should simply use SIGCHLD. We read group_leader->exit_signal lockless, this can race with the ORIGINAL_SIGNAL -> SIGCHLD transition, but this is fine. Potentially this change allows to kill self_exec_id/parent_exec_id. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 20 March 2012, 21:16:50 UTC
bbdb32c Fix pppol2tp getsockname() While testing L2TP functionality, I came across a bug in getsockname(). The IP address returned within the pppol2tp_addr's addr memember was not being set to the IP address in use. This bug is caused by using inet_sk() on the wrong socket (the L2TP socket rather than the underlying UDP socket), and was likely introduced during the addition of L2TPv3 support. Signed-off-by: Benjamin LaHaise <bcrl@kvack.org> Signed-off-by: James Chapman <jchapman@katalix.com> Signed-off-by: David S. Miller <davem@davemloft.net> 20 March 2012, 20:12:11 UTC
a6506e1 Remove printk from rds_sendmsg no socket layer outputs a message for this error and neither should rds. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 20 March 2012, 20:12:11 UTC
ed378a5 Merge tag 'usb-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB merge for 3.4-rc1 from Greg KH: "Here's the big USB merge for the 3.4-rc1 merge window. Lots of gadget driver reworks here, driver updates, xhci changes, some new drivers added, usb-serial core reworking to fix some bugs, and other various minor things. There are some patches touching arch code, but they have all been acked by the various arch maintainers." * tag 'usb-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (302 commits) net: qmi_wwan: add support for ZTE MF820D USB: option: add ZTE MF820D usb: gadget: f_fs: Remove lock is held before freeing checks USB: option: make interface blacklist work again usb/ub: deprecate & schedule for removal the "Low Performance USB Block" driver USB: ohci-pxa27x: add clk_prepare/clk_unprepare calls USB: use generic platform driver on ath79 USB: EHCI: Add a generic platform device driver USB: OHCI: Add a generic platform device driver USB: ftdi_sio: new PID: LUMEL PD12 USB: ftdi_sio: add support for FT-X series devices USB: serial: mos7840: Fixed MCS7820 device attach problem usb: Don't make USB_ARCH_HAS_{XHCI,OHCI,EHCI} depend on USB_SUPPORT. usb gadget: fix a section mismatch when compiling g_ffs with CONFIG_USB_FUNCTIONFS_ETH USB: ohci-nxp: Remove i2c_write(), use smbus USB: ohci-nxp: Support for LPC32xx USB: ohci-nxp: Rename symbols from pnx4008 to nxp USB: OHCI-HCD: Rename ohci-pnx4008 to ohci-nxp usb: gadget: Kconfig: fix typo for 'different' usb: dwc3: pci: fix another failure path in dwc3_pci_probe() ... 20 March 2012, 18:26:30 UTC
843ec55 Merge tag 'tty-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull TTY/serial patches from Greg KH: "tty and serial merge for 3.4-rc1 Here's the big serial and tty merge for the 3.4-rc1 tree. There's loads of fixes and reworks in here from Jiri for the tty layer, and a number of patches from Alan to help try to wrestle the vt layer into a sane model. Other than that, lots of driver updates and fixes, and other minor stuff, all detailed in the shortlog." * tag 'tty-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (132 commits) serial: pxa: add clk_prepare/clk_unprepare calls TTY: Wrong unicode value copied in con_set_unimap() serial: PL011: clear pending interrupts serial: bfin-uart: Don't access tty circular buffer in TX DMA interrupt after it is reset. vt: NULL dereference in vt_do_kdsk_ioctl() tty: serial: vt8500: fix annotations for probe/remove serial: remove back and forth conversions in serial_out_sync serial: use serial_port_in/out vs serial_in/out in 8250 serial: introduce generic port in/out helpers serial: reduce number of indirections in 8250 code serial: delete useless void casts in 8250.c serial: make 8250's serial_in shareable to other drivers. serial: delete last unused traces of pausing I/O in 8250 pch_uart: Add module parameter descriptions pch_uart: Use existing default_baud in setup_console pch_uart: Add user_uartclk parameter pch_uart: Add Fish River Island II uart clock quirks pch_uart: Use uartclk instead of base_baud mpc5200b/uart: select more tolerant uart prescaler on low baudrates tty: moxa: fix bit test in moxa_start() ... 20 March 2012, 18:24:39 UTC
71e7ff2 Merge tag 'staging-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull big staging driver updates from Greg KH: "Here is the big drivers/staging/ merge for 3.4-rc1 Lots of new driver updates here, with the addition of a few new ones, and only one moving out of the staging tree to the "real" part of the kernel (the hyperv scsi driver, acked by the scsi maintainer). There are also loads of cleanups, fixes, and other minor things in here, all self-contained in the drivers/staging/ tree. Overall we reversed the recent trend by adding more lines than we removed: 379 files changed, 37952 insertions(+), 14153 deletions(-)" * tag 'staging-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (360 commits) staging/zmem: Use lockdep_assert_held instead of spin_is_locked Staging: rtl8187se: r8180_wx.c: Cleaned up comments Staging: rtl8187se: r8180_wx.c: Removed old comments Staging: rtl8187se: r8180_dm.c: Removed old comments Staging: android: ram_console.c: Staging: rtl8187se: r8180_dm.c: Fix comments Staging: rtl8187se: r8180_dm.c: Fix spacing issues Staging: rtl8187se: r8180_dm.c Fixed indentation issues Staging: rtl8187se: r8180_dm.c: Fix brackets Staging: rtl8187se: r8180_dm.c: Removed spaces before tab stop staging: vme: fix section mismatches in linux-next 20120314 Staging: rtl8187se: r8180_core.c: Fix some long line issues Staging: rtl8187se: r8180_core.c: Fix some spacing issues Staging: rtl8187se: r8180_core.c: Removed trailing spaces staging: mei: remove driver internal versioning Staging: rtl8187se: r8180_core.c: Cleaned up if statement staging: ozwpan depends on NET staging: ozwpan: added maintainer for ozwpan driver staging/mei: propagate error codes up in the write flow drivers:staging:mei Fix some typos in staging/mei ... 20 March 2012, 18:23:18 UTC
4a52246 Merge tag 'driver-core-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core patches for 3.4-rc1 from Greg KH: "Here's the big driver core merge for 3.4-rc1. Lots of various things here, sysfs fixes/tweaks (with the nlink breakage reverted), dynamic debugging updates, w1 drivers, hyperv driver updates, and a variety of other bits and pieces, full information in the shortlog." * tag 'driver-core-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (78 commits) Tools: hv: Support enumeration from all the pools Tools: hv: Fully support the new KVP verbs in the user level daemon Drivers: hv: Support the newly introduced KVP messages in the driver Drivers: hv: Add new message types to enhance KVP regulator: Support driver probe deferral Revert "sysfs: Kill nlink counting." uevent: send events in correct order according to seqnum (v3) driver core: minor comment formatting cleanups driver core: move the deferred probe pointer into the private area drivercore: Add driver probe deferral mechanism DS2781 Maxim Stand-Alone Fuel Gauge battery and w1 slave drivers w1_bq27000: Only one thread can access the bq27000 at a time. w1_bq27000 - remove w1_bq27000_write w1_bq27000: remove unnecessary NULL test. sysfs: Fix memory leak in sysfs_sd_setsecdata(). intel_idle: Revert change of auto_demotion_disable_flags for Nehalem w1: Fix w1_bq27000 driver-core: documentation: fix up Greg's email address powernow-k6: Really enable auto-loading powernow-k7: Fix CPU family number ... 20 March 2012, 18:16:20 UTC
9f9d276 Merge tag 'char-misc-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char and misc patches for 3.4-rc1 from Greg KH: "Not much here, just a few minor fixes and some conversions to the module_*_driver() functions, making the codebase smaller." * tag 'char-misc-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: misc: bmp085: Use unsigned long to store jiffies char/ramoops: included linux/err.h twice misc: bmp085: Handle jiffies overflow correctly misc: fsa9480: Remove obsolete cleanup for clientdata char: Fix typo in tlclk.c char: Fix typo in viotape.c cs5535-mfgpt: don't call __init function from __devinit MISC: convert drivers/misc/* to use module_spi_driver() MISC: convert drivers/misc/* to use module_i2c_driver() MISC: convert drivers/misc/* to use module_platform_driver() 20 March 2012, 18:15:18 UTC
ad2a8e6 AFS: checking wrong bit in afs_readpages() We should be testing "if (vnode->flags & (1 << 4))" instead of "if (vnode->flags & 4) {". The current test checks if the data was modified instead of deleted. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 20 March 2012, 18:14:38 UTC
161f7a7 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer changes for v3.4 from Ingo Molnar * 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (32 commits) ntp: Fix integer overflow when setting time math: Introduce div64_long cs5535-clockevt: Allow the MFGPT IRQ to be shared cs5535-clockevt: Don't ignore MFGPT on SMP-capable kernels x86/time: Eliminate unused irq0_irqs counter clocksource: scx200_hrt: Fix the build x86/tsc: Reduce the TSC sync check time for core-siblings timer: Fix bad idle check on irq entry nohz: Remove ts->Einidle checks before restarting the tick nohz: Remove update_ts_time_stat from tick_nohz_start_idle clockevents: Leave the broadcast device in shutdown mode when not needed clocksource: Load the ACPI PM clocksource asynchronously clocksource: scx200_hrt: Convert scx200 to use clocksource_register_hz clocksource: Get rid of clocksource_calc_mult_shift() clocksource: dbx500: convert to clocksource_register_hz() clocksource: scx200_hrt: use pr_<level> instead of printk time: Move common updates to a function time: Reorder so the hot data is together time: Remove most of xtime_lock usage in timekeeping.c ntp: Add ntp_lock to replace xtime_locking ... 20 March 2012, 17:32:09 UTC
2ba6894 Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler changes for v3.4 from Ingo Molnar * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits) printk: Make it compile with !CONFIG_PRINTK sched/x86: Fix overflow in cyc2ns_offset sched: Fix nohz load accounting -- again! sched: Update yield() docs printk/sched: Introduce special printk_sched() for those awkward moments sched/nohz: Correctly initialize 'next_balance' in 'nohz' idle balancer sched: Cleanup cpu_active madness sched: Fix load-balance wreckage sched: Clean up parameter passing of proc_sched_autogroup_set_nice() sched: Ditch per cgroup task lists for load-balancing sched: Rename load-balancing fields sched: Move load-balancing arguments into helper struct sched/rt: Do not submit new work when PI-blocked sched/rt: Prevent idle task boosting sched/wait: Add __wake_up_all_locked() API sched/rt: Document scheduler related skip-resched-check sites sched/rt: Use schedule_preempt_disabled() sched/rt: Add schedule_preempt_disabled() sched/rt: Do not throttle when PI boosting sched/rt: Keep period timer ticking when rt throttling is active ... 20 March 2012, 17:31:44 UTC
9c2b957 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf events changes for v3.4 from Ingo Molnar: - New "hardware based branch profiling" feature both on the kernel and the tooling side, on CPUs that support it. (modern x86 Intel CPUs with the 'LBR' hardware feature currently.) This new feature is basically a sophisticated 'magnifying glass' for branch execution - something that is pretty difficult to extract from regular, function histogram centric profiles. The simplest mode is activated via 'perf record -b', and the result looks like this in perf report: $ perf record -b any_call,u -e cycles:u branchy $ perf report -b --sort=symbol 52.34% [.] main [.] f1 24.04% [.] f1 [.] f3 23.60% [.] f1 [.] f2 0.01% [k] _IO_new_file_xsputn [k] _IO_file_overflow 0.01% [k] _IO_vfprintf_internal [k] _IO_new_file_xsputn 0.01% [k] _IO_vfprintf_internal [k] strchrnul 0.01% [k] __printf [k] _IO_vfprintf_internal 0.01% [k] main [k] __printf This output shows from/to branch columns and shows the highest percentage (from,to) jump combinations - i.e. the most likely taken branches in the system. "branches" can also include function calls and any other synchronous and asynchronous transitions of the instruction pointer that are not 'next instruction' - such as system calls, traps, interrupts, etc. This feature comes with (hopefully intuitive) flat ascii and TUI support in perf report. - Various 'perf annotate' visual improvements for us assembly junkies. It will now recognize function calls in the TUI and by hitting enter you can follow the call (recursively) and back, amongst other improvements. - Multiple threads/processes recording support in perf record, perf stat, perf top - which is activated via a comma-list of PIDs: perf top -p 21483,21485 perf stat -p 21483,21485 -ddd perf record -p 21483,21485 - Support for per UID views, via the --uid paramter to perf top, perf report, etc. For example 'perf top --uid mingo' will only show the tasks that I am running, excluding other users, root, etc. - Jump label restructurings and improvements - this includes the factoring out of the (hopefully much clearer) include/linux/static_key.h generic facility: struct static_key key = STATIC_KEY_INIT_FALSE; ... if (static_key_false(&key)) do unlikely code else do likely code ... static_key_slow_inc(); ... static_key_slow_inc(); ... The static_key_false() branch will be generated into the code with as little impact to the likely code path as possible. the static_key_slow_*() APIs flip the branch via live kernel code patching. This facility can now be used more widely within the kernel to micro-optimize hot branches whose likelihood matches the static-key usage and fast/slow cost patterns. - SW function tracer improvements: perf support and filtering support. - Various hardenings of the perf.data ABI, to make older perf.data's smoother on newer tool versions, to make new features integrate more smoothly, to support cross-endian recording/analyzing workflows better, etc. - Restructuring of the kprobes code, the splitting out of 'optprobes', and a corner case bugfix. - Allow the tracing of kernel console output (printk). - Improvements/fixes to user-space RDPMC support, allowing user-space self-profiling code to extract PMU counts without performing any system calls, while playing nice with the kernel side. - 'perf bench' improvements - ... and lots of internal restructurings, cleanups and fixes that made these features possible. And, as usual this list is incomplete as there were also lots of other improvements * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (120 commits) perf report: Fix annotate double quit issue in branch view mode perf report: Remove duplicate annotate choice in branch view mode perf/x86: Prettify pmu config literals perf report: Enable TUI in branch view mode perf report: Auto-detect branch stack sampling mode perf record: Add HEADER_BRANCH_STACK tag perf record: Provide default branch stack sampling mode option perf tools: Make perf able to read files from older ABIs perf tools: Fix ABI compatibility bug in print_event_desc() perf tools: Enable reading of perf.data files from different ABI rev perf: Add ABI reference sizes perf report: Add support for taken branch sampling perf record: Add support for sampling taken branch perf tools: Add code to support PERF_SAMPLE_BRANCH_STACK x86/kprobes: Split out optprobe related code to kprobes-opt.c x86/kprobes: Fix a bug which can modify kernel code permanently x86/kprobes: Fix instruction recovery on optimized path perf: Add callback to flush branch_stack on context switch perf: Disable PERF_SAMPLE_BRANCH_* when not supported perf/x86: Add LBR software filter support for Intel CPUs ... 20 March 2012, 17:29:15 UTC
0bbfcaf Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq/core changes for v3.4 from Ingo Molnar * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Remove paranoid warnons and bogus fixups genirq: Flush the irq thread on synchronization genirq: Get rid of unnecessary IRQTF_DIED flag genirq: No need to check IRQTF_DIED before stopping a thread handler genirq: Get rid of unnecessary irqaction field in task_struct genirq: Fix incorrect check for forced IRQ thread handler softirq: Reduce invoke_softirq() code duplication genirq: Fix long-term regression in genirq irq_set_irq_type() handling x86-32/irq: Don't switch to irq stack for a user-mode irq 20 March 2012, 17:28:56 UTC
5928a2b Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull RCU changes for v3.4 from Ingo Molnar. The major features of this series are: - making RCU more aggressive about entering dyntick-idle mode in order to improve energy efficiency - converting a few more call_rcu()s to kfree_rcu()s - applying a number of rcutree fixes and cleanups to rcutiny - removing CONFIG_SMP #ifdefs from treercu - allowing RCU CPU stall times to be set via sysfs - adding CPU-stall capability to rcutorture - adding more RCU-abuse diagnostics - updating documentation - fixing yet more issues located by the still-ongoing top-to-bottom inspection of RCU, this time with a special focus on the CPU-hotplug code path. * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (48 commits) rcu: Stop spurious warnings from synchronize_sched_expedited rcu: Hold off RCU_FAST_NO_HZ after timer posted rcu: Eliminate softirq-mediated RCU_FAST_NO_HZ idle-entry loop rcu: Add RCU_NONIDLE() for idle-loop RCU read-side critical sections rcu: Allow nesting of rcu_idle_enter() and rcu_idle_exit() rcu: Remove redundant check for rcu_head misalignment PTR_ERR should be called before its argument is cleared. rcu: Convert WARN_ON_ONCE() in rcu_lock_acquire() to lockdep rcu: Trace only after NULL-pointer check rcu: Call out dangers of expedited RCU primitives rcu: Rework detection of use of RCU by offline CPUs lockdep: Add CPU-idle/offline warning to lockdep-RCU splat rcu: No interrupt disabling for rcu_prepare_for_idle() rcu: Move synchronize_sched_expedited() to rcutree.c rcu: Check for illegal use of RCU from offlined CPUs rcu: Update stall-warning documentation rcu: Add CPU-stall capability to rcutorture rcu: Make documentation give more realistic rcutorture duration rcutorture: Permit holding off CPU-hotplug operations during boot rcu: Print scheduling-clock information on RCU CPU stall-warning messages ... 20 March 2012, 17:10:18 UTC
4a247a4 Merge branch 'upstream' into for-linus Conflicts: drivers/hid/Makefile 20 March 2012, 12:18:05 UTC
4d5df5d HID: multitouch: add PID for Fructel product Adds multitouch support for the Gametel Android game controller. The multitouch events are emulated by the Gametel device. Each physical button is configured to generate a MT event on a specific coordinate. This seems to be the only way for us to support Android games that doesn't support HID gamepads. It is possible to inject MT events at Android level, but this requires root on the phone. Signed-off-by: Andreas Nielsen <eas@svep.se> Signed-off-by: Jiri Kosina <jkosina@suse.cz> 20 March 2012, 12:17:22 UTC
77aa8e6 Merge branches 'roccat' and 'wacom' into for-linus 20 March 2012, 12:05:18 UTC
3abee35 Merge branches 'battery-scope', 'logitech' and 'multitouch' into for-linus 20 March 2012, 12:04:25 UTC
1f85851 ipv6: fix incorrent ipv6 ipsec packet fragment Since commit 299b0767(ipv6: Fix IPsec slowpath fragmentation problem) In func ip6_append_data,after call skb_put(skb, fraglen + dst_exthdrlen) the skb->len contains dst_exthdrlen,and we don't reduce dst_exthdrlen at last This will make fraggap>0 in next "while cycle",and cause the size of skb incorrent Fix this by reserve headroom for dst_exthdrlen. Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com> Acked-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net> 20 March 2012, 09:39:34 UTC
5c473ed cpsw: Hook up default ndo_change_mtu. Reported-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 20 March 2012, 04:33:59 UTC
5ed59af Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull core/locking changes for v3.4 from Ingo Molnar * 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: futex: Simplify return logic futex: Cover all PI opcodes with cmpxchg enabled check 20 March 2012, 00:11:15 UTC
b7f077d Merge branch 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull core/iommu changes for v3.4 from Ingo Molnar * 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/iommu/intel: Increase the number of iommus supported to MAX_IO_APICS x86/iommu/intel: Fix identity mapping for sandy bridge 20 March 2012, 00:10:38 UTC
b0e37d7 Merge branch 'dcache-word-accesses' * branch 'dcache-word-accesses': vfs: use 'unsigned long' accesses for dcache name comparison and hashing This does the name hashing and lookup using word-sized accesses when that is efficient, namely on x86 (although any little-endian machine with good unaligned accesses would do). It does very much depend on little-endian logic, but it's a very hot couple of functions under some real loads, and this patch improves the performance of __d_lookup_rcu() and link_path_walk() by up to about 30%. Giving a 10% improvement on some very pathname-heavy benchmarks. Because we do make unaligned accesses past the filename, the optimization is disabled when CONFIG_DEBUG_PAGEALLOC is active, and we effectively depend on the fact that on x86 we don't really ever have the last page of usable RAM followed immediately by any IO memory (due to ACPI tables, BIOS buffer areas etc). Some of the bit operations we do are a bit "subtle". It's commented, but you do need to really think about the code. Or just consider it black magic. Thanks to people on G+ for some of the optimized bit tricks. 19 March 2012, 23:37:28 UTC
6d7d1a0 vfs: get rid of batshit-insane pointless dentry hash calculations For some odd historical reason, the final mixing round for the dentry cache hash table lookup had an insane "xor with big constant" logic. In two places. The big constant that is being xor'ed is GOLDEN_RATIO_PRIME, which is a fairly random-looking number that is designed to be *multiplied* with so that the bits get spread out over a whole long-word. But xor'ing with it is insane. It doesn't really even change the hash - it really only shifts the hash around in the hash table. To make matters worse, the insane big constant is different on 32-bit and 64-bit builds, even though the name hash bits we use are always 32-bit (and the bits from the pointer we mix in effectively are too). It's all total voodoo programming, in other words. Now, some testing and analysis of the hash chains shows that the rest of the hash function seems to be fairly good. It does pick the right bits of the parent dentry pointer, for example, and while it's generally a bad idea to use an xor to mix down the upper bits (because if there is a repeating pattern, the xor can cause "destructive interference"), it seems to not have been a disaster. For example, replacing the hash with the normal "hash_long()" code (that uses the GOLDEN_RATIO_PRIME constant correctly, btw) actually just makes the hash worse. The hand-picked hash knew which bits of the pointer had the highest entropy, and hash_long() ends up mixing bits less optimally at least in some trivial tests. So the hash function overall seems fine, it just has that really odd "shift result around by a constant xor". So get rid of the silly xor, and replace the down-mixing of the bits with an add instead of an xor that tends to not have the same kind of destructive interference issues. Some stats on the resulting hash chains shows that they look statistically identical before and after, but the code is simpler and no longer makes you go "WTF?". Also, the incoming hash really is just "unsigned int", not a long, and there's no real point to worry about the high 26 bits of the dentry pointer for the 64-bit case, because they are all going to be identical anyway. So also change the hashing to be done in the more natural 'unsigned int' that is the real size of the actual hashed data anyway. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 19 March 2012, 23:19:53 UTC
74cba4a net: qmi_wwan: fix build error due to cdc-wdm dependecy Fixes: drivers/built-in.o: In function `qmi_wwan_bind_shared': qmi_wwan.c:(.text+0x25b686): undefined reference to `usb_cdc_wdm_register' make[1]: *** [.tmp_vmlinux1] Error 1 Reported-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Bjørn Mork <bjorn@mork.no> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 22:17:18 UTC
df82859 netdev: driver: ethernet: Add TI CPSW driver This patch adds support for TI's CPSW driver. The three port switch gigabit ethernet subsystem provides ethernet packet communication and can be configured as an ethernet switch. Supports 10/100/1000 Mbps. Signed-off-by: Cyril Chemparathy <cyril@ti.com> Signed-off-by: Sriramakrishnan A G <srk@ti.com> Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 22:02:05 UTC
db82173 netdev: driver: ethernet: add cpsw address lookup engine support TI CPSW ethernet switch has a built-in address lookup engine. This patch adds the code necessary for programming this module. Signed-off-by: Cyril Chemparathy <cyril@ti.com> Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 22:02:05 UTC
4909912 phy: add am79c874 PHY support Signed-off-by: Heiko Schocher <hs@denx.de> Signed-off-by: Anatolij Gustschin <agust@denx.de> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 22:02:05 UTC
58a3de0 mlx4_core: fix race on comm channel Prevent race condition between commands on comm channel. Happened while unloading the driver when switching from event to polling mode. VF got completion on the last command before switching to polling mode, but toggle was not changed. After the fix - VF will not write the next command before toggle is updated. Signed-off-by: Eugenia Emantayev <eugenia@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 22:02:05 UTC
1c3ac42 bonding: send igmp report for its master Liang Zheng(lzheng@redhat.com) found that in the following topo, bonding does not send igmp report when we trigger a fail-over of bonding. eth0-- |-- bond0 -- br0 eth1-- modprobe bonding mode=1 miimon=100 resend_igmp=10 ifconfig bond0 up ifenslave bond0 eth0 eth1 brctl addbr br0 ifconfig br0 192.168.100.2/24 up brctl addif br0 bond0 Add 192.168.100.2(br0) into a multicast group, like 224.10.10.10, then trigger a fali-over in bonding. You can see that parameter "resend_igmp" does not work. The reason is that when we add br0 into a multicast group, it does not propagate multicast knowledge down to its ports. If we choose to propagate multicast knowledge down to all ports for bridge, then we have to track every change that is done to bridge, and keep a backup for all ports. It is hard to track, I think. Instead I choose to modify bonding to send igmp report for its master. Changelog: V2: correct comments V3: move this check into bond_resend_igmp_join_requests() V4: only send igmp reports if bond is enslaved to a bridge Signed-off-by: Weiping Pan <panweiping3@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 22:02:05 UTC
ba56833 fs_enet: Add MPC5125 FEC support and PHY interface selection Add compatible string for MPC5125 FEC. The FEC on MPC5125 additionally supports RMII PHY interface. Configure controller/PHY interface type according to the optional phy-connection-type property in the ethernet node. This property should be either "rmii" or "mii". Signed-off-by: Vladimir Ermakov <vooon341@gmail.com> Signed-off-by: Anatolij Gustschin <agust@denx.de> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 22:02:05 UTC
dc72d99 net: bpf_jit: fix BPF_S_LDX_B_MSH compilation Matt Evans spotted that x86 bpf_jit was incorrectly handling negative constant offsets in BPF_S_LDX_B_MSH instruction. We need to abort JIT compilation like we do in common_load so that filter uses the interpreter code and can call __load_pointer() Reference: http://lists.openwall.net/netdev/2011/07/19/11 Thanks to Indan Zupancic to bring back this issue. Reported-by: Matt Evans <matt@ozlabs.org> Reported-by: Indan Zupancic <indan@nul.nu> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 21:41:44 UTC
3af7930 net: update the usage of CHECKSUM_UNNECESSARY As suggested by Ben, this adds the clarification on the usage of CHECKSUM_UNNECESSARY on the outgoing patch. Also add the usage description of NETIF_F_FCOE_CRC and CHECKSUM_UNNECESSARY for the kernel FCoE protocol driver. This is a follow-up to the following: http://patchwork.ozlabs.org/patch/147315/ Signed-off-by: Yi Zou <yi.zou@intel.com> Cc: Ben Hutchings <bhutchings@solarflare.com> Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Cc: www.Open-FCoE.org <devel@open-fcoe.org> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 21:37:35 UTC
cf64bc8 fcoe: use CHECKSUM_UNNECESSARY instead of CHECKSUM_PARTIAL on tx Fix a bug when using 'ethtool -K ethx tx off' to turn off tx ip checksum, FCoE CRC offload should not be impacte. The skb_checksum_help() is needed only if it's not FCoE traffic for ip checksum, regardless of ethtool toggling the tx ip checksum on or off. Instead of using CHECKSUM_PARTIAL, we will use CHECKSUM_UNNECESSARY as a proper indication to avoid sw ip checksum on FCoE frames. Ref. to original discussion thread: http://patchwork.ozlabs.org/patch/146567/ CC: "James E.J. Bottomley" <JBottomley@parallels.com> CC: Robert Love <robert.w.love@intel.com> Signed-off-by: Yi Zou <yi.zou@intel.com> Tested-by: Ross Brattain <ross.b.brattain@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 21:37:35 UTC
cdbee74 net: do not do gso for CHECKSUM_UNNECESSARY in netif_needs_gso This is related to fixing the bug of dropping FCoE frames when disabling tx ip checksum by 'ethtool -K ethx tx off'. The FCoE protocol stack driver would use CHECKSUM_UNNECESSARY on tx path instead of CHECKSUM_PARTIAL (as indicated in the 2/2 of this series). To do so, netif_needs_gso() has to be changed here to not do gso for both CHECKSUM_PARTIAL and CHECKSUM_UNNECESSARY. Ref. to original discussion thread: http://patchwork.ozlabs.org/patch/146567/ Signed-off-by: Yi Zou <yi.zou@intel.com> Tested-by: Ross Brattain <ross.b.brattain@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 21:37:35 UTC
8f4a0a3 ixgbe: Fix issues with SR-IOV loopback when flow control is disabled This patch allows us to avoid a Tx hang when SR-IOV is enabled. This hang can be triggered by sending small packets at a rate that was triggering Rx missed errors from the adapter while the internal Tx switch and at least one VF are enabled. This was all due to the fact that under heavy stress the Rx FIFO never drained below the flow control high water mark. This resulted in the Tx FIFO being head of line blocked due to the fact that it relies on the flow control high water mark to determine when it is acceptable for the Tx to place a packet in the Rx FIFO. The resolution for this is to set the FCRTH value to the RXPBSIZE - 32 so that even if the ring is almost completely full we can still place Tx packets on the Rx ring and drop incoming Rx traffic if we do not have sufficient space available in the Rx FIFO. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 21:37:21 UTC
da24e90 net/hyperv: Fix the code handling tx busy Instead of dropping the packet, we keep the skb buffer, and return NETDEV_TX_BUSY to let upper layer retry send. This will not cause endless loop, because the host is taking data away from ring buffer, and we have called the stop_queue before returning NETDEV_TX_BUSY. The stop_queue was called in the function netvsc_send() in file netvsc.c, then it returns to rndis_filter_send(), which returns to netvsc_start_xmit() in file netvsc_drv.c. So the NETDEV_TX_BUSY is indeed returned AFTER queue is stopped. Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Reviewed-by: K. Y. Srinivasan <kys@microsoft.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 21:27:06 UTC
f24fd89 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next 19 March 2012, 21:24:27 UTC
8af3c33 ixgbe: fix namespace issues when FCoE/DCB is not enabled Resolve namespace issues when FCoE or DCB is not enabled. The issue is with certain configurations we end up with namespace problems. A simple example: ixgbe_main.c - defines func A() - uses func A() ixgbe_fcoe.c - uses func A() ixgbe.h - has prototype for func A() For default (FCoE included) all is good. But when it isn't the namespace checker complains about how func A() could be static. To resolve this, created a ixgbe_lib file to contain functions used by DCB/FCoE and their helper functions so that they are always in namespace whether or not DCB/FCoE is enabled. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> 19 March 2012, 20:59:11 UTC
fb04121 rtlwifi: Remove unused ETH_ADDR_LEN defines Just neatening. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 20:53:09 UTC
449e39d igbvf: Use ETH_ALEN Remove an unnecessary #define and use memcpy instead of a loop to copy an ethernet address. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 20:53:08 UTC
c81f212 atlx: Use ETH_ALEN No need for yet another #define for this. Convert NODE_ADDRESS_SIZE use to ETH_ALEN and remove #define. Use memcpy instead of a loop to copy an address. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 20:53:08 UTC
a3f671b if_vlan: Remove VLAN_ETH_ALEN define and the 1 use of it Just use ETH_ALEN. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 20:53:08 UTC
c862815 tcp: reduce out_of_order memory use With increasing receive window sizes, but speed of light not improved that much, out of order queue can contain a huge number of skbs, waiting to be moved to receive_queue when missing packets can fill the holes. Some devices happen to use fat skbs (truesize of 4096 + sizeof(struct sk_buff)) to store regular (MTU <= 1500) frames. This makes highly probable sk_rmem_alloc hits sk_rcvbuf limit, which can be 4Mbytes in many cases. When limit is hit, tcp stack calls tcp_collapse_ofo_queue(), a true latency killer and cpu cache blower. Doing the coalescing attempt each time we add a frame in ofo queue permits to keep memory use tight and in many cases avoid the tcp_collapse() thing later. Tested on various wireless setups (b43, ath9k, ...) known to use big skb truesize, this patch removed the "packets collapsed in receive queue due to low socket buffer" I had before. This also reduced average memory used by tcp sockets. With help from Neal Cardwell. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Neal Cardwell <ncardwell@google.com> Cc: Yuchung Cheng <ycheng@google.com> Cc: H.K. Jerry Chu <hkchu@google.com> Cc: Tom Herbert <therbert@google.com> Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 20:53:08 UTC
e86b291 tcp: introduce tcp_data_queue_ofo Split tcp_data_queue() in two parts for better readability. tcp_data_queue_ofo() is responsible for queueing incoming skb into out of order queue. Change code layout so that the skb_set_owner_r() is performed only if skb is not dropped. This is a preliminary patch before "reduce out_of_order memory use" following patch. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Neal Cardwell <ncardwell@google.com> Cc: Yuchung Cheng <ycheng@google.com> Cc: H.K. Jerry Chu <hkchu@google.com> Cc: Tom Herbert <therbert@google.com> Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 20:53:07 UTC
de12880 bnx2x: validate FW trace prior to its printing Signed-off-by: Dmitry Kravkov <dmitry@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> 19 March 2012, 20:53:07 UTC
cb4dca2 bnx2x: consistent statistics for old FW Previously applied patch making the bnx2x statistics consistent did not apply to old FWs. This remedies it, extending the consistent behaviour to all drivers. Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Reported-by: Michal Schmidt <mschmidt@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 20:53:07 UTC
9e62e91 bnx2x: changed iscsi/fcoe mac init and macros This includes changes in macros to better distinguish between the two protocols, and slightly changed the way their macs are set. Notice this file contains string print lines with more than 80 characters, as to not break prints. Signed-off-by: Dmitry Kravkov <dmitry@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> 19 March 2012, 20:53:07 UTC
910b220 bnx2x: added TLV_NOT_FOUND flags to the dcb The new error flags are supported by the bnx2x FW. Signed-off-by: Dmitry Kravkov <dmitry@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> 19 March 2012, 20:53:07 UTC
9d4884f bnx2x: changed initial dcb configuration The changes were mostly made to enable back-to-back data flow with dcb. Other changes were simply deemed as a better 'clean' initial configuration. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 20:53:07 UTC
c315a4e bnx2x: removed dcb unused code 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> 19 March 2012, 20:53:07 UTC
3b60306 bnx2x: reduced sparse warnings This patch reduces sparse warnings in the bnx2x code, mostly by changing functions into static and changing initialization of structures. 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> 19 March 2012, 20:53:06 UTC
51c1a58 bnx2x: revised driver prints We've revised driver prints, changing the mask of existing prints to allow better control over the debug messages, added prints to error scenarios, removed unnecessary prints and corrected some spelling. Please note that this patch contains lines with over 80 characters, as string messages were kept in a single line. Signed-off-by: Merav Sicron <meravs@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> 19 March 2012, 20:52:48 UTC
d8290ae bnx2x: added 'likely' to fast-path skb existence 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> 19 March 2012, 20:52:18 UTC
f1f3ee1 be2net: fix programming of VLAN tags for VF Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 20:52:17 UTC
456d9c9 be2net: Fix number of vlan slots in flex mode In flex10 mode the number of vlan slots supported is halved. Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 20:52:17 UTC
fbc13f0 be2net: Program secondary UC MAC address into MAC filter Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 20:52:17 UTC
4762f6c be2net: enable WOL by default if h/w supports it Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net> 19 March 2012, 20:52:17 UTC
2770747 Merge branch 'gianfar-bql' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 19 March 2012, 20:46:22 UTC
567d2de ixgbe: Correct flag values set by ixgbe_fix_features This patch replaces the variable name data with the variable name features for ixgbe_fix_features and ixgbe_set_features. This helps to make some issues more obvious such as the fact that we were disabling Rx VLAN tag stripping when we should have been forcing it to be enabled when DCB is enabled. In addition there was deprecated code present that was disabling the LRO flag if we had the itr value set too low. I have updated this logic so that we will now allow the LRO flag to be set, but will not enable RSC until the rx-usecs value is high enough to allow enough time for Rx packet coalescing. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 19 March 2012, 20:43:34 UTC
ef6afc0 ixgbe: Add support for enabling UDP RSS via the ethtool rx-flow-hash command This patch adds support for enabling or disabling UDP RSS via the ethtool -N rx-flow-hash command. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 19 March 2012, 09:03:15 UTC
581330b ixgbe: Whitespace cleanups This patch contains several fixes for formatting in regards to whitespace. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 19 March 2012, 09:02:21 UTC
6ca4350 ixgbe: Two minor fixes for RSS and FDIR set queues functions This change fixes two minor issues. The first was the fact that we were setting the return value to false twice in the set_rss_queues function. The second is the fact that we should have been using "min_t(int," instead of "min((int)" in set_fdir_queues. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 19 March 2012, 09:01:28 UTC
35937c0 ixgbe: drop err_eeprom tag which is at same location as err_sw_init The err_eeprom and err_sw_init tags both go to the same location. So instead of maintaining two tags this patch combines them so we only use err_sw_init. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 19 March 2012, 09:00:32 UTC
eb01b97 ixgbe: Move poll routine in order to improve readability This change relocates the ixgbe_poll routine so it is right next to the interrupt routine that schedules and calls it. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 19 March 2012, 08:58:58 UTC
6bb78cf ixgbe: cleanup logic for the service timer and VF hang detection This change just cleans up some of the logic in the service_timer function so that we can avoid unnecessary swapping of the ready value between true to false and back to true. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 19 March 2012, 08:57:23 UTC
d3ee429 ixgbe: Update layout of ixgbe_ring structure to improve cache performance This change makes it so that only the 2nd cache line in the ring structure should see frequent updates. The advantage to this is that it should reduce the amount of cross CPU cache bouncing since only the 2nd cache line will be changing between most network transactions. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 19 March 2012, 08:54:36 UTC
244e27a ixgbe: Store Tx flags and protocol information to tx_buffer sooner This change makes it so that we store the tx_flags and protocol information to the tx_buffer_info structure sooner. This allows us to avoid unnecessary read/write transactions since we are placing the data in the final location earlier. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 19 March 2012, 08:38:42 UTC
4da0bd7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 19 March 2012, 03:29:41 UTC
c16fa4f Linux 3.3 18 March 2012, 23:15:34 UTC
5407b14 gianfar: use netif_tx_queue_stopped instead of __netif_subqueue_stopped The __netif_subqueue_stopped() just does the following: struct netdev_queue *txq = netdev_get_tx_queue(dev, queue_index); return netif_tx_queue_stopped(txq); and since we already have the txq in scope, we can just call that directly in this case. Suggested-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> 18 March 2012, 21:11:22 UTC
93dc610 Don't limit non-nested epoll paths Commit 28d82dc1c4ed ("epoll: limit paths") that I did to limit the number of possible wakeup paths in epoll is causing a few applications to longer work (dovecot for one). The original patch is really about limiting the amount of epoll nesting (since epoll fds can be attached to other fds). Thus, we probably can allow an unlimited number of paths of depth 1. My current patch limits it at 1000. And enforce the limits on paths that have a greater depth. This is captured in: https://bugzilla.redhat.com/show_bug.cgi?id=681578 Signed-off-by: Jason Baron <jbaron@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 18 March 2012, 19:25:04 UTC
c579bc7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net Pull networking changes from David Miller: "1) icmp6_dst_alloc() returns NULL instead of ERR_PTR() leading to crashes, particularly during shutdown. Reported by Dave Jones and fixed by Eric Dumazet. 2) hyperv and wimax/i2400m return NETDEV_TX_BUSY when they have already freed the SKB, which causes crashes as to the caller this means requeue the packet. Fixes from Eric Dumazet. 3) usbnet driver doesn't allocate the right amount of headroom on fresh RX SKBs, fix from Eric Dumazet. 4) Fix regression in ip6_mc_find_dev_rcu(), as an RCU lookup it abolutely should not take a reference to 'dev', this leads to leaks. Fix from RonQing Li. 5) Fix netfilter ctnetlink race between delete and timeout expiration. From Pablo Neira Ayuso. 6) Revert SFQ change which causes regressions, specifically queueing to tail can lead to unavoidable flow starvation. From Eric Dumazet. 7) Fix a memory leak and a crash on corrupt firmware files in bnx2x, from Michal Schmidt." * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: netfilter: ctnetlink: fix race between delete and timeout expiration ipv6: Don't dev_hold(dev) in ip6_mc_find_dev_rcu. wimax/i2400m: fix erroneous NETDEV_TX_BUSY use net/hyperv: fix erroneous NETDEV_TX_BUSY use net/usbnet: reserve headroom on rx skbs bnx2x: fix memory leak in bnx2x_init_firmware() bnx2x: fix a crash on corrupt firmware file sch_sfq: revert dont put new flow at the end of flows ipv6: fix icmp6_dst_alloc() 18 March 2012, 02:22:24 UTC
96ee049 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar. * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf tools, x86: Build perf on older user-space as well perf tools: Use scnprintf where applicable perf tools: Incorrect use of snprintf results in SEGV 17 March 2012, 16:54:16 UTC
81a430a Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next 17 March 2012, 09:02:26 UTC
a16a164 netfilter: ctnetlink: fix race between delete and timeout expiration Kerin Millar reported hardlockups while running `conntrackd -c' in a busy firewall. That system (with several processors) was acting as backup in a primary-backup setup. After several tries, I found a race condition between the deletion operation of ctnetlink and timeout expiration. This patch fixes this problem. Tested-by: Kerin Millar <kerframil@gmail.com> Reported-by: Kerin Millar <kerframil@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net> 17 March 2012, 08:47:08 UTC
729739b ixgbe: always write DMA for single_mapped value with skb This change makes it so that we always write the DMA address for the skb itself on the same tx_buffer struct that the skb is written on. This way we don't need the MAPPED_AS_PAGE flag and we always know it will be the first DMA value that we will have to unmap. In addition I have found an issue in which we were leaking a DMA mapping if the value happened to be 0 which is possible on some platforms. In order to resolve that I have updated the transmit path to use the length instead of the DMA mapping in order to determine if a mapping is actually present. One other tweak in this patch is that it only writes the olinfo information on the first descriptor. As it turns out it isn't necessary to write it for anything but the first descriptor so there is no need to carry it forward. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 17 March 2012, 08:41:49 UTC
c2ec3ff phc: Update author's email address. This commit brings the author email address macros up to date for four modules in the PTP Hardware Clock subsystem. Signed-off-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 17 March 2012, 08:41:43 UTC
091a624 ixgbe: Write gso_segs and bytcount to the ring sooner This change makes it so that gso_segs and bytecount are written to the ring sooner. This helps to simplify the logic for the two since segmentation offloads can now update them within their own function. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 17 March 2012, 08:08:29 UTC
fd0db0e ixgbe: Place skb on first buffer_info structure to avoid using stack space Instead of keeping a local copy of the skb on the stack for as long as long as we do it makes sense to instead just place it on the first tx_buffer structure so that we can save space on the stack and avoid unnecessary read/write operations copying the pointer out of the stack and onto the ring later. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 17 March 2012, 08:08:23 UTC
7d7ce68 ixgbe: Use packets to track Tx completions instead of a seperate value A separate value was added to track Tx completions in order to determine if the Tx unit was hung. However we can do the same thing using the number of packets completed without having to add another stat to the Tx ring. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 17 March 2012, 08:06:59 UTC
93f5b3c ixgbe: Modify setup of descriptor flags to avoid conditional jumps This change makes it more likely that the descriptor flags setup will use cmov instructions instead of conditional jumps when setting up the flags. The advantage to this is that the code should just flow a bit more smoothly. To do this it is necessary to set the TX_FLAGS_CSUM bit in tx_flags when doing TSO so that we also do the checksum in addition to the segmentation offload. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 17 March 2012, 08:06:53 UTC
a50c29d ixgbe: Make certain that all frames fit minimum size requirements This change makes certain that any packet we attempt to transmit will meet minimum size requirements for the hardware. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 17 March 2012, 08:06:47 UTC
655309e ixgbe: cleanup logic in ixgbe_change_mtu This change is meant to just cleanup the logic in ixgbe_change_mtu since we are making it unnecessarily complex due to a workaround required for 82599 when SR-IOV is enabled. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 17 March 2012, 08:04:33 UTC
f800326 ixgbe: Replace standard receive path with a page based receive This patch replaces the existing Rx hot-path in the ixgbe driver with a new implementation that is based on performing a double buffered receive. The ixgbe driver already had something similar in place for its' packet split path, however in that case we were still receiving the header for the packet into the sk_buff. The big change here is the entire receive path will receive into pages only, and then pull the header out of the page and copy it into the sk_buff data. There are several motivations behind this approach. First, this allows us to avoid several cache misses as we were taking a set of cache misses for allocating the sk_buff and then another set for receiving data into the sk_buff. We are able to avoid these misses on receive now as we allocate the sk_buff when data is available. Second we are able to see a considerable performance gain when an IOMMU is enabled because we are no longer unmapping every buffer on receive. Instead we can delay the unmap until we are unable to use the page, and instead we can simply call sync_single_range on the half of the page that contains new data. Finally we are able to drop a considerable amount of code from the driver as we no longer have to support 2 different receive modes, packet split and one buffer. This allows us to optimize the Rx path further since less branching is required. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Ross Brattain <ross.b.brattain@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 17 March 2012, 08:04:27 UTC
3f2d1c0 ixgbe: Support RX-ALL feature flag. This allows the NIC to receive all frames available, including those with bad FCS, ethernet control frames, and more. Tested by sending frames with bad FCS. Signed-off-by: Ben Greear <greearb@candelatech.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 17 March 2012, 08:03:22 UTC
f43f313 ixgbe: Support sending custom Ethernet FCS. Including bad FCS, used generate frames with bad FCS to test other system's handling of RX of bad packets. Signed-off-by: Ben Greear <greearb@candelatech.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 17 March 2012, 08:03:16 UTC
89eaefb igb: Support RX-ALL feature flag. This allows the NIC to receive all frames available, including those with bad FCS, un-matched vlans, ethernet control frames, and more. Tested by sending frames with bad FCS. Signed-off-by: Ben Greear <greearb@candelatech.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 17 March 2012, 08:02:26 UTC
6b8f092 igb: Support sending custom Ethernet FCS. Including bad FCS, used generate frames with bad FCS to test other system's handling of RX of bad packets. Signed-off-by: Ben Greear <greearb@candelatech.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> 17 March 2012, 08:02:20 UTC
126a3fd eni: fix driver remove function and driver probe error path. - add eni_do_release() to balance eni_do_init - turn the zeroes DMA area into a per device data Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: David S. Miller <davem@davemloft.net> 17 March 2012, 06:13:20 UTC
4823cd3 net/irda: add clk_prepare/clk_unprepare to pxaficp_ir This patch adds clk_prepare/clk_unprepare calls to the pxaficp_ir driver by using the helper functions clk_prepare_enable and clk_disable_unprepare. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Cc: Eric Miao <eric.y.miao@gmail.com> Cc: Haojian Zhuang <haojian.zhuang@marvell.com> Cc: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net> 17 March 2012, 06:11:14 UTC
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