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2016-01-29perf: Remove __free_event()Peter Zijlstra1-25/+20
There is but a single caller, remove the function - we already have _free_event(), the extra indirection is nonsensical.. Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Vince Weaver <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2016-01-29perf/bpf: Convert perf_event_array to use struct fileAlexei Starovoitov4-27/+33
Robustify refcounting. Signed-off-by: Alexei Starovoitov <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: Daniel Borkmann <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Vince Weaver <[email protected]> Cc: Wang Nan <[email protected]> Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
2016-01-29perf: Fix NULL derefPeter Zijlstra1-2/+2
Dan reported: 1229 if (ctx->task == TASK_TOMBSTONE || 1230 !atomic_inc_not_zero(&ctx->refcount)) { 1231 raw_spin_unlock(&ctx->lock); 1232 ctx = NULL; ^^^^^^^^^^ ctx is NULL. 1233 } 1234 1235 WARN_ON_ONCE(ctx->task != task); ^^^^^^^^^^^^^^^^^ The patch adds a NULL dereference. Reported-by: Dan Carpenter <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Vince Weaver <[email protected]> Fixes: 63b6da39bb38 ("perf: Fix perf_event_exit_task() race") Signed-off-by: Ingo Molnar <[email protected]>
2016-01-29perf/x86: De-obfuscate codePeter Zijlstra1-3/+1
Get rid of the 'onln' obfuscation. Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Vince Weaver <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2016-01-29perf/x86: Fix uninitialized value usagePeter Zijlstra1-1/+2
When calling intel_alt_er() with .idx != EXTRA_REG_RSP_* we will not initialize alt_idx and then use this uninitialized value to index an array. When that is not fatal, it can result in an infinite loop in its caller __intel_shared_reg_get_constraints(), with IRQs disabled. Alternative error modes are random memory corruption due to the cpuc->shared_regs->regs[] array overrun, which manifest in either get_constraints or put_constraints doing weird stuff. Only took 6 hours of painful debugging to find this. Neither GCC nor Smatch warnings flagged this bug. Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Kan Liang <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Vince Weaver <[email protected]> Fixes: ae3f011fc251 ("perf/x86/intel: Fix SLM MSR_OFFCORE_RSP1 valid_mask") Signed-off-by: Ingo Molnar <[email protected]>
2016-01-29drm/i915: refine qemu south bridge detectionGerd Hoffmann1-1/+3
The test for the qemu q35 south bridge added by commit "39bfcd52 drm/i915: more virtual south bridge detection" also matches on real hardware. Having the check for virtual systems last in the list is not enough to avoid that ... Refine the check by additionally verifying the pci subsystem id to see whenever it *really* is qemu. [ v2: fix subvendor tyops ] Reported-and-tested-by: Bjørn Mork <[email protected]> Signed-off-by: Gerd Hoffmann <[email protected]> Tested-by: Bruno Wolff III <[email protected]> Cc: [email protected] Signed-off-by: Jani Nikula <[email protected]> Link: http://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit 1e859111c128265f8d62b39ff322e42b1ddb5a20)
2016-01-29drm/i915: Remove select to deleted STOP_MACHINE from KconfigAndreas Ziegler1-1/+0
Commit 5bab6f60cb4d ("drm/i915: Serialise updates to GGTT with access through GGTT on Braswell") depended upon a working stop_machine() and so forced the selection of STOP_MACHINE. However, commit 86fffe4a61dd ("kernel: remove stop_machine() Kconfig dependency") removed the option STOP_MACHINE from init/Kconfig and ensured that stop_machine() universally works. Due to the order in which the patches were applied, removing the select from DRM_I915 got lost during merging. Remove the now obsolete select statement. Signed-off-by: Andreas Ziegler <[email protected]> Reviewed-by: Chris Wilson <[email protected]> Link: http://patchwork.freedesktop.org/patch/msgid/[email protected] Cc: [email protected] Signed-off-by: Daniel Vetter <[email protected]> (cherry picked from commit 21fabbebff0e17c7698ed399cae23958c214cc82) Signed-off-by: Jani Nikula <[email protected]>
2016-01-29drm/i915: Fix NULL plane->fb oops on SKLVille Syrjälä1-1/+1
In this atomic age, we can't trust the plane->fb pointer anymore. It might get update too late. Instead we are supposed to use the plane_state->fb pointer instead. Let's do that in intel_plane_obj_offset() and avoid problems from dereferencing the potentially stale plane->fb pointer. Paulo found this with 'kms_frontbuffer_tracking --show-hidden --run-subtest nop-1p-rte' but it can be reproduced with just plain old kms_setplane. I was too lazy to bisect this, so not sure exactly when it broke. The most obvious candidate commit ce7f17285639 ("drm/i915: Fix i915_ggtt_view_equal to handle rotation correctly") was actually still fine, so it must have broken some time after that. Here's the resulting fireworks: BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffffa02d2d9a>] intel_fill_fb_ggtt_view+0x1b/0x15a [i915] PGD 8a5f6067 PUD 8a5f5067 PMD 0 Oops: 0000 [#1] PREEMPT SMP Modules linked in: i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm intel_gtt agpgart netconsole mousedev hid_generic psmouse usbhid atkbd libps2 coretemp hwmon efi_pstore intel_rapl iosf_mbi x86_pkg_temp_thermal efivars pcspkr e1000e sdhci_pci ptp pps_core sdhci i2c_i801 mmc_core i2c_hid hid i8042 serio evdev sch_fq_codel ip_tables x_tables ipv6 autofs4 CPU: 1 PID: 260 Comm: kms_plane Not tainted 4.4.0-skl+ #171 Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.B104.B00.1511030553 11/03/2015 task: ffff88008bde2d80 ti: ffff88008a6ec000 task.ti: ffff88008a6ec000 RIP: 0010:[<ffffffffa02d2d9a>] [<ffffffffa02d2d9a>] intel_fill_fb_ggtt_view+0x1b/0x15a [i915] RSP: 0018:ffff88008a6efa10 EFLAGS: 00010086 RAX: 0000000000000001 RBX: ffff8801674f4240 RCX: 0000000000000014 RDX: ffff88008a7440c0 RSI: 0000000000000000 RDI: ffff88008a6efa40 RBP: ffff88008a6efa30 R08: ffff88008bde3598 R09: 0000000000000001 R10: ffff88008b782000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88008a7440c0 R14: 0000000000000000 R15: ffff88008a7449c0 FS: 00007fa0c07a28c0(0000) GS:ffff88016ec40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000008a6ff000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8801674f4240 0000000000000000 ffff88008a7440c0 0000000000000000 ffff88008a6efaa0 ffffffffa02daf25 ffffffff814ec80e 0000000000070298 ffff8800850d0000 ffff88008a6efaa0 ffffffffa02c49c2 0000000000000002 Call Trace: [<ffffffffa02daf25>] intel_plane_obj_offset+0x2d/0xa9 [i915] [<ffffffff814ec80e>] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [<ffffffffa02c49c2>] ? gen9_write32+0x2e8/0x3b8 [i915] [<ffffffffa02eecfc>] skl_update_plane+0x203/0x4c5 [i915] [<ffffffffa02ca1ab>] intel_plane_atomic_update+0x53/0x6a [i915] [<ffffffffa02494a4>] drm_atomic_helper_commit_planes_on_crtc+0x142/0x1d5 [drm_kms_helper] [<ffffffffa02de44b>] intel_atomic_commit+0x1262/0x1350 [i915] [<ffffffffa024a0ee>] ? __drm_atomic_helper_crtc_duplicate_state+0x2f/0x41 [drm_kms_helper] [<ffffffffa01ef089>] ? drm_atomic_check_only+0x3e3/0x552 [drm] [<ffffffffa01ef245>] drm_atomic_commit+0x4d/0x52 [drm] [<ffffffffa024996b>] drm_atomic_helper_update_plane+0xcb/0x118 [drm_kms_helper] [<ffffffffa01e42e8>] __setplane_internal+0x1c8/0x224 [drm] [<ffffffffa01e477f>] drm_mode_setplane+0x14e/0x172 [drm] [<ffffffffa01d8117>] drm_ioctl+0x265/0x3ad [drm] [<ffffffffa01e4631>] ? drm_mode_cursor_common+0x158/0x158 [drm] [<ffffffff810d00ab>] ? current_kernel_time64+0x5e/0x98 [<ffffffff810a76ea>] ? trace_hardirqs_on_caller+0x17a/0x196 [<ffffffff8119880f>] do_vfs_ioctl+0x42b/0x4ea [<ffffffff811a2b72>] ? __fget_light+0x4d/0x71 [<ffffffff81198911>] SyS_ioctl+0x43/0x61 [<ffffffff814ed057>] entry_SYSCALL_64_fastpath+0x12/0x6f Cc: [email protected] Cc: Paulo Zanoni <[email protected]> Testcase: igt/kms_plane Reported-by: Paulo Zanoni <[email protected]> Signed-off-by: Ville Syrjälä <[email protected]> Link: http://patchwork.freedesktop.org/patch/msgid/[email protected] Reviewed-by: Daniel Vetter <[email protected]> (cherry picked from commit e794129444aba459e9bedf5080bfb4605f933c32) Signed-off-by: Jani Nikula <[email protected]>
2016-01-29drm/i915: Don't reject primary plane windowing with color keying enabled on SKL+Ville Syrjälä1-5/+6
On SKL+ plane scaling is mutually exclusive with color keying. The code check for this, but during some refactoring the code got changed to also reject primary plane windowing when color keying is used. There is no such restriction in the hardware, so restore the original logic. Cc: Maarten Lankhorst <[email protected]> Fixes: 061e4b8d650a ("drm/i915: clean up atomic plane check functions, v2.") Signed-off-by: Ville Syrjälä <[email protected]> Link: http://patchwork.freedesktop.org/patch/msgid/[email protected] Cc: [email protected] Reviewed-by: Matt Roper <[email protected]> Reviewed-by: Maarten Lankhorst <[email protected]> (cherry picked from commit 693bdc28a733dba68b86af295e7509812fec35d9) Signed-off-by: Jani Nikula <[email protected]>
2016-01-29drm/i915/dp: fall back to 18 bpp when sink capability is unknownJani Nikula1-5/+15
Per DP spec, the source device should fall back to 18 bpp, VESA range RGB when the sink capability is unknown. Fix the color depth clamping. 18 bpp color depth should ensure full color range in automatic mode. The clamping has been HDMI specific since its introduction in commit 996a2239f93b03c5972923f04b097f65565c5bed Author: Daniel Vetter <[email protected]> Date: Fri Apr 19 11:24:34 2013 +0200 drm/i915: Disable high-bpc on pre-1.4 EDID screens Cc: [email protected] Reported-and-tested-by: Dihan Wickremasuriya <[email protected]> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=105331 Reviewed-by: Ville Syrjälä <[email protected]> Signed-off-by: Jani Nikula <[email protected]> Link: http://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit 013dd9e038723bbd2aa67be51847384b75be8253)
2016-01-29drm/i915: Make sure DC writes are coherent on flush.Francisco Jerez2-0/+3
We need to set the DC FLUSH PIPE_CONTROL bit on Gen7+ to guarantee that writes performed via the HDC are visible in memory. Fixes an intermittent failure in a Piglit test that writes to a BO from a shader using GL atomic counters (implemented as HDC untyped atomics) and then expects the memory to read back the same value after mapping it on the CPU. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91298 Tested-by: Mark Janes <[email protected]> Cc: Rodrigo Vivi <[email protected]> Cc: [email protected] Signed-off-by: Francisco Jerez <[email protected]> Reviewed-by: Ville Syrjälä <[email protected]> Link: http://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit 965fd602a6436f689f4f2fe40a6789582778ccd5) Signed-off-by: Jani Nikula <[email protected]>
2016-01-28Staging: speakup: fix read scrolled-back VTSamuel Thibault2-8/+14
Previously, speakup would always read the non-scrolled part of the VT, even when the VT is scrolled back with shift-page. This patch makes vt.c export screen_pos so that speakup can use it to properly access the content of the scrolled-back VT. This was tested with both vgacon and fbcon. Signed-off-by: Samuel Thibault <[email protected]> Reviewed-by: Alan Cox <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2016-01-28Staging: speakup: Fix getting port informationSamuel Thibault1-1/+12
Commit f79b0d9c223c ("staging: speakup: Fixed warning <linux/serial.h> instead of <asm/serial.h>") broke the port information in the speakup driver: SERIAL_PORT_DFNS only gets defined if asm/serial.h is included, and no other header includes asm/serial.h. We here make sure serialio.c does get the arch-specific definition of SERIAL_PORT_DFNS from asm/serial.h, if any. Along the way, this makes sure that we do have information for the requested serial port number (index) Fixes: f79b0d9c223c ("staging: speakup: Fixed warning <linux/serial.h> instead of <asm/serial.h>") Signed-off-by: Samuel Thibault <[email protected]> Cc: stable <[email protected]> # 3.18 Signed-off-by: Greg Kroah-Hartman <[email protected]>
2016-01-28Merge branch 'phylib-regressions-part-2'David S. Miller5-20/+33
Andrew Lunn says: ==================== Part 2 of v4.5-rc1 phylib regression White list PHY compatible values which indicate PHYs. Issue a warning when one is encountered. Update the documentation to make it clear what is expected in the compatible string. v2: Fix Grammar, reword changelog, add Tested-by and Acked-by. ==================== Signed-off-by: David S. Miller <[email protected]>
2016-01-28DT: phy.txt: Clarify expected compatible valuesAndrew Lunn4-20/+6
PHY devices may only list compatibility with clause 22, 45, and if they need to be more specific, their PHY identifier values. No other compatible strings are allowed. Make this clear in the documentation, and remove examples where make/model compatible strings are listed. Signed-off-by: Andrew Lunn <[email protected]> Acked-by: Florian Fainelli <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28of: of_mdio: Add a whitelist of PHY compatibilities.Andrew Lunn1-0/+27
Some phy nodes list a compatible value indicating the PHY make/model. This is never used to match the device to the driver. However it does confuse the code to separate a PHY from a generic MDIO device like a switch. Generic MDIO devices must have a compatible value, PHYs can list clause 22 or 45, but nothing else. Issue a warning if we find a compatible value known on the whitelist, and say it is a PHY. Fixes: a9049e0c513c ("mdio: Add support for mdio drivers.") Reported-by: Aaro Koskinen <[email protected]> Reported-by: Olof Johansson <[email protected]> Tested-by: Aaro Koskinen <[email protected]> Signed-off-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28Merge branch 'lan78xx-fixes'David S. Miller1-44/+88
Woojung Huh says: ==================== lan78xx: update and fixes lan78xx: change to use updated phy-ignore-interrupts lan78xx: Add to handle mux control per chip id lan78xx: throttle TX path at slower than SuperSpeed USB ==================== Signed-off-by: David S. Miller <[email protected]>
2016-01-28lan78xx: throttle TX path at slower than SuperSpeed USB[email protected]1-1/+3
Throttle TX path only at slower than SuperSpeed USB. SuperSpeed USB has enough bandwidth to maintain GigE. Signed-off-by: Woojung Huh <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28lan78xx: Add to handle mux control per chip id[email protected]1-27/+71
Depends on chip, some EEPROM pins are muxed with LED function. Disable & restore LED function to access EEPROM. Signed-off-by: Woojung Huh <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28lan78xx: change to use updated phy-ignore-interrupts[email protected]1-16/+14
Update lan78xx to use patch of commit 4f2aaf7dd95b ("Merge branch 'fix-phy-ignore-interrupts'"). Signed-off-by: Woojung Huh <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28tcp: beware of alignments in tcp_get_info()Eric Dumazet1-4/+8
With some combinations of user provided flags in netlink command, it is possible to call tcp_get_info() with a buffer that is not 8-bytes aligned. It does matter on some arches, so we need to use put_unaligned() to store the u64 fields. Current iproute2 package does not trigger this particular issue. Fixes: 0df48c26d841 ("tcp: add tcpi_bytes_acked to tcp_info") Fixes: 977cb0ecf82e ("tcp: add pacing_rate information into tcp_info") Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-29ALSA: hda - Add new GPU codec ID 0x10de0083 to snd-hdaAaron Plattner1-0/+1
Vendor ID 0x10de0083 is used by a yet-to-be-named GPU chip. This chip also has the 2-ch audio swapping bug, so patch_nvhdmi is appropriate here. Signed-off-by: Aaron Plattner <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2016-01-28Revert "Staging: panel: usleep_range is preferred over udelay"Sudip Mukherjee1-19/+15
This reverts commit ebd43516d3879f882a403836bba8bc5791f26a28. We should not be sleeping inside spin_lock. Fixes: ebd43516d387 ("Staging: panel: usleep_range is preferred over udelay") Cc: Sirnam Swetha <[email protected]> Signed-off-by: Sudip Mukherjee <[email protected]> Reported-by: Huang, Ying <[email protected]> Tested-by: Huang, Ying <[email protected]> Cc: stable <[email protected]> # 4.4 Signed-off-by: Greg Kroah-Hartman <[email protected]>
2016-01-28Merge tag 'trace-v4.5-rc1' of ↵Linus Torvalds3-3/+2
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull minor tracing fixes from Steven Rostedt: "This includes three minor fixes, mostly due to cut-and-paste issues. The first is a cut and paste issue that changed the amount of stack to skip when tracing a stack dump from 0 to 6, which basically made the stack disappear for small stack traces. The second fix is just removing an unused field in a struct that is no longer used, and currently just wastes space. The third is another cut-and-paste fix that had a tracepoint recording the wrong field (it was recording the previous field a second time)" * tag 'trace-v4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing/dma-buf/fence: Fix timeline str value on fence_annotate_wait_on ftrace: Remove unused nr_trampolines var tracing: Fix stacktrace skip depth in trace_buffer_unlock_commit_regs()
2016-01-28switchdev: Require RTNL mutex to be held when sending FDB notificationsIdo Schimmel5-15/+14
When switchdev drivers process FDB notifications from the underlying device they resolve the netdev to which the entry points to and notify the bridge using the switchdev notifier. However, since the RTNL mutex is not held there is nothing preventing the netdev from disappearing in the middle, which will cause br_switchdev_event() to dereference a non-existing netdev. Make switchdev drivers hold the lock at the beginning of the notification processing session and release it once it ends, after notifying the bridge. Also, remove switchdev_mutex and fdb_lock, as they are no longer needed when RTNL mutex is held. Fixes: 03bf0c281234 ("switchdev: introduce switchdev notifier") Signed-off-by: Ido Schimmel <[email protected]> Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28xen-netfront: request Tx response events more oftenMalcolm Crossley1-12/+3
Trying to batch Tx response events results in poor performance because this delays freeing the transmitted skbs. Instead use the standard RING_FINAL_CHECK_FOR_RESPONSES() macro to be notified once the next Tx response is placed on the ring. Signed-off-by: Malcolm Crossley <[email protected]> Signed-off-by: David Vrabel <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28net: mv643xx_eth: fix packet corruption with TSO and tiny unaligned packets.Nicolas Schichan1-2/+2
The code in txq_put_data() would use txq->tx_curr_desc to index the tso_hdrs/tso_hdrs_dma buffers, for less than 8 bytes unaligned fragments, which is already moved to the next descriptor at the beginning of the function. If that fragment was the last of the the skb, the next skb would use that same space to place the ip headers, overwritting that small fragment data. Fixes: 91986fd3d335 (net: mv643xx_eth: Ensure proper data alignment in TSO TX path) Signed-off-by: Nicolas Schichan <[email protected]> Reviewed-by: Philipp Kirchhofer <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28of: of_mdio: Ensure mdio device is a PHYAndrew Lunn1-1/+9
of_phy_find_device() is used to find the phy device associated with a device node. It is expected the node is for a PHY device, but in fact it could of been probed as a generic MDIO device. Ensure the device is a PHY before returning it. Fixes: a9049e0c513c ("mdio: Add support for mdio drivers.") Reported-by: Aaro Koskinen <[email protected]> Reported-by: Olof Johansson <[email protected]> Signed-off-by: Andrew Lunn <[email protected]> Tested-by: Aaro Koskinen <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28Merge tag 'mac80211-for-davem-2016-01-26' of ↵David S. Miller13-64/+85
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 Johannes Berg says: ==================== Here's a first set of fixes for the 4.5-rc cycle: * make regulatory messages much less verbose by default * various remain-on-channel fixes * scheduled scanning fixes with hardware restart * a PS-Poll handling fix; was broken just recently * bugfix to avoid buffering non-bufferable MMPDUs * world regulatory domain data fix * a fix for scanning causing other work to get stuck * hwsim: revert an older problematic patch that caused some userspace tools to have issues - not that big a deal as it's a debug only driver though ==================== Signed-off-by: David S. Miller <[email protected]>
2016-01-29Merge branch 'drm-rockchip-next-fixes-2016-01-22' of ↵Dave Airlie9-30/+73
https://github.com/markyzq/kernel-drm-rockchip into drm-fixes Here are some fixes for drm/rockchip, these fixes base on drm-next. These fixes works on my popmetal(rk3288) board. About patch: drm/atomic-helper: Export framebuffer_changed() Daniel Vetter ack for merging it through rockchip git trees, so framebuffer_changed() can be reused by drm/rockchip. All others looks good, so I'd like you can land them. * 'drm-rockchip-next-fixes-2016-01-22' of https://github.com/markyzq/kernel-drm-rockchip: drm/rockchip: respect CONFIG_DRM_FBDEV_EMULATION drm/rockchip: fix wrong pitch/size using on gem drm/rockchip: explain why we can't wait_for_vblanks drm/rockchip: don't wait for vblank if fb hasn't changed drm/atomic-helper: Export framebuffer_changed() drm/rockchip/dsi: fix handling mipi_dsi_pixel_format_to_bpp result drm/rockchip: vop: fix mask when updating interrupts drm/rockchip: cleanup unnecessary export symbol drm/rockchip: Don't build rockchip_drm_vop as modules
2016-01-29drm/vmwgfx: respect 'nomodeset'Rob Clark1-0/+7
Signed-off-by: Rob Clark <[email protected]> Reviewed-by: Thomas Hellstrom <[email protected]>. Cc: [email protected] Signed-off-by: Dave Airlie <[email protected]>
2016-01-28net: Fix dependencies for !HAS_IOMEM archsRichard Weinberger2-0/+2
Not every arch has io memory. So, unbreak the build by fixing the dependencies. Signed-off-by: Richard Weinberger <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28tcp: fix tcp_mark_head_lost to check skb len before fragmentingNeal Cardwell1-5/+5
This commit fixes a corner case in tcp_mark_head_lost() which was causing the WARN_ON(len > skb->len) in tcp_fragment() to fire. tcp_mark_head_lost() was assuming that if a packet has tcp_skb_pcount(skb) of N, then it's safe to fragment off a prefix of M*mss bytes, for any M < N. But with the tricky way TCP pcounts are maintained, this is not always true. For example, suppose the sender sends 4 1-byte packets and have the last 3 packet sacked. It will merge the last 3 packets in the write queue into an skb with pcount = 3 and len = 3 bytes. If another recovery happens after a sack reneging event, tcp_mark_head_lost() may attempt to split the skb assuming it has more than 2*MSS bytes. This sounds very counterintuitive, but as the commit description for the related commit c0638c247f55 ("tcp: don't fragment SACKed skbs in tcp_mark_head_lost()") notes, this is because tcp_shifted_skb() coalesces adjacent regions of SACKed skbs, and when doing this it preserves the sum of their packet counts in order to reflect the real-world dynamics on the wire. The c0638c247f55 commit tried to avoid problems by not fragmenting SACKed skbs, since SACKed skbs are where the non-proportionality between pcount and skb->len/mss is known to be possible. However, that commit did not handle the case where during a reneging event one of these weird SACKed skbs becomes an un-SACKed skb, which tcp_mark_head_lost() can then try to fragment. The fix is to simply mark the entire skb lost when this happens. This makes the recovery slightly more aggressive in such corner cases before we detect reordering. But once we detect reordering this code path is by-passed because FACK is disabled. Signed-off-by: Neal Cardwell <[email protected]> Signed-off-by: Yuchung Cheng <[email protected]> Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-29Merge tag 'drm-vc4-fixes-2015-01-19' of http://github.com/anholt/linux into ↵Dave Airlie1-10/+7
drm-fixes This pull request just includes the !CONFIG_PM_SLEEP build fix for vc4. * tag 'drm-vc4-fixes-2015-01-19' of http://github.com/anholt/linux: drm/vc4: Remove broken attempt at GPU reset using genpd.
2016-01-29Merge branch 'drm-etnaviv-fixes' of git://git.pengutronix.de/git/lst/linux ↵Dave Airlie11-87/+255
into drm-fixes A bunch of etnaviv fixes for 4.5-rc. Most of them are fixing things in code paths that will only be hit if something goes wrong, which have been unearthed by more extensive testing. The only thing that doesn't really qualify as fixes is an UAPI extension that userspace wants to rely on being present, so I want to fast-track this into 4.5 before etnaviv ends up in a released kernel. * 'drm-etnaviv-fixes' of git://git.pengutronix.de/git/lst/linux: drm/etnaviv: call correct function when trying to vmap a DMABUF drm/etnaviv: rename etnaviv_gem_vaddr to etnaviv_gem_vmap drm/etnaviv: fix get pages error path in etnaviv_gem_vaddr drm/etnaviv: fix memory leak in IOMMU init path drm/etnaviv: add further minor features and varyings count drm/etnaviv: add helper for comparing model/revision IDs drm/etnaviv: add helper to extract bitfields drm/etnaviv: use defined constants for the chip model drm/etnaviv: update common and state_hi xml.h files drm/etnaviv: ignore VG GPUs with FE2.0 drm/etnaviv: fix failure path if model is zero drm/etnaviv: hold object lock while getting pages for coredump drm/etnaviv: remove owner assignment from platform_driver
2016-01-28inet: frag: Always orphan skbs inside ip_defrag()Joe Stringer2-2/+1
Later parts of the stack (including fragmentation) expect that there is never a socket attached to frag in a frag_list, however this invariant was not enforced on all defrag paths. This could lead to the BUG_ON(skb->sk) during ip_do_fragment(), as per the call stack at the end of this commit message. While the call could be added to openvswitch to fix this particular error, the head and tail of the frags list are already orphaned indirectly inside ip_defrag(), so it seems like the remaining fragments should all be orphaned in all circumstances. kernel BUG at net/ipv4/ip_output.c:586! [...] Call Trace: <IRQ> [<ffffffffa0205270>] ? do_output.isra.29+0x1b0/0x1b0 [openvswitch] [<ffffffffa02167a7>] ovs_fragment+0xcc/0x214 [openvswitch] [<ffffffff81667830>] ? dst_discard_out+0x20/0x20 [<ffffffff81667810>] ? dst_ifdown+0x80/0x80 [<ffffffffa0212072>] ? find_bucket.isra.2+0x62/0x70 [openvswitch] [<ffffffff810e0ba5>] ? mod_timer_pending+0x65/0x210 [<ffffffff810b732b>] ? __lock_acquire+0x3db/0x1b90 [<ffffffffa03205a2>] ? nf_conntrack_in+0x252/0x500 [nf_conntrack] [<ffffffff810b63c4>] ? __lock_is_held+0x54/0x70 [<ffffffffa02051a3>] do_output.isra.29+0xe3/0x1b0 [openvswitch] [<ffffffffa0206411>] do_execute_actions+0xe11/0x11f0 [openvswitch] [<ffffffff810b63c4>] ? __lock_is_held+0x54/0x70 [<ffffffffa0206822>] ovs_execute_actions+0x32/0xd0 [openvswitch] [<ffffffffa020b505>] ovs_dp_process_packet+0x85/0x140 [openvswitch] [<ffffffff810b63c4>] ? __lock_is_held+0x54/0x70 [<ffffffffa02068a2>] ovs_execute_actions+0xb2/0xd0 [openvswitch] [<ffffffffa020b505>] ovs_dp_process_packet+0x85/0x140 [openvswitch] [<ffffffffa0215019>] ? ovs_ct_get_labels+0x49/0x80 [openvswitch] [<ffffffffa0213a1d>] ovs_vport_receive+0x5d/0xa0 [openvswitch] [<ffffffff810b732b>] ? __lock_acquire+0x3db/0x1b90 [<ffffffff810b732b>] ? __lock_acquire+0x3db/0x1b90 [<ffffffff810b732b>] ? __lock_acquire+0x3db/0x1b90 [<ffffffffa0214895>] ? internal_dev_xmit+0x5/0x140 [openvswitch] [<ffffffffa02148fc>] internal_dev_xmit+0x6c/0x140 [openvswitch] [<ffffffffa0214895>] ? internal_dev_xmit+0x5/0x140 [openvswitch] [<ffffffff81660299>] dev_hard_start_xmit+0x2b9/0x5e0 [<ffffffff8165fc21>] ? netif_skb_features+0xd1/0x1f0 [<ffffffff81660f20>] __dev_queue_xmit+0x800/0x930 [<ffffffff81660770>] ? __dev_queue_xmit+0x50/0x930 [<ffffffff810b53f1>] ? mark_held_locks+0x71/0x90 [<ffffffff81669876>] ? neigh_resolve_output+0x106/0x220 [<ffffffff81661060>] dev_queue_xmit+0x10/0x20 [<ffffffff816698e8>] neigh_resolve_output+0x178/0x220 [<ffffffff816a8e6f>] ? ip_finish_output2+0x1ff/0x590 [<ffffffff816a8e6f>] ip_finish_output2+0x1ff/0x590 [<ffffffff816a8cee>] ? ip_finish_output2+0x7e/0x590 [<ffffffff816a9a31>] ip_do_fragment+0x831/0x8a0 [<ffffffff816a8c70>] ? ip_copy_metadata+0x1b0/0x1b0 [<ffffffff816a9ae3>] ip_fragment.constprop.49+0x43/0x80 [<ffffffff816a9c9c>] ip_finish_output+0x17c/0x340 [<ffffffff8169a6f4>] ? nf_hook_slow+0xe4/0x190 [<ffffffff816ab4c0>] ip_output+0x70/0x110 [<ffffffff816a9b20>] ? ip_fragment.constprop.49+0x80/0x80 [<ffffffff816aa9f9>] ip_local_out+0x39/0x70 [<ffffffff816abf89>] ip_send_skb+0x19/0x40 [<ffffffff816abfe3>] ip_push_pending_frames+0x33/0x40 [<ffffffff816df21a>] icmp_push_reply+0xea/0x120 [<ffffffff816df93d>] icmp_reply.constprop.23+0x1ed/0x230 [<ffffffff816df9ce>] icmp_echo.part.21+0x4e/0x50 [<ffffffff810b63c4>] ? __lock_is_held+0x54/0x70 [<ffffffff810d5f9e>] ? rcu_read_lock_held+0x5e/0x70 [<ffffffff816dfa06>] icmp_echo+0x36/0x70 [<ffffffff816e0d11>] icmp_rcv+0x271/0x450 [<ffffffff816a4ca7>] ip_local_deliver_finish+0x127/0x3a0 [<ffffffff816a4bc1>] ? ip_local_deliver_finish+0x41/0x3a0 [<ffffffff816a5160>] ip_local_deliver+0x60/0xd0 [<ffffffff816a4b80>] ? ip_rcv_finish+0x560/0x560 [<ffffffff816a46fd>] ip_rcv_finish+0xdd/0x560 [<ffffffff816a5453>] ip_rcv+0x283/0x3e0 [<ffffffff810b6302>] ? match_held_lock+0x192/0x200 [<ffffffff816a4620>] ? inet_del_offload+0x40/0x40 [<ffffffff8165d062>] __netif_receive_skb_core+0x392/0xae0 [<ffffffff8165e68e>] ? process_backlog+0x8e/0x230 [<ffffffff810b53f1>] ? mark_held_locks+0x71/0x90 [<ffffffff8165d7c8>] __netif_receive_skb+0x18/0x60 [<ffffffff8165e678>] process_backlog+0x78/0x230 [<ffffffff8165e6dd>] ? process_backlog+0xdd/0x230 [<ffffffff8165e355>] net_rx_action+0x155/0x400 [<ffffffff8106b48c>] __do_softirq+0xcc/0x420 [<ffffffff816a8e87>] ? ip_finish_output2+0x217/0x590 [<ffffffff8178e78c>] do_softirq_own_stack+0x1c/0x30 <EOI> [<ffffffff8106b88e>] do_softirq+0x4e/0x60 [<ffffffff8106b948>] __local_bh_enable_ip+0xa8/0xb0 [<ffffffff816a8eb0>] ip_finish_output2+0x240/0x590 [<ffffffff816a9a31>] ? ip_do_fragment+0x831/0x8a0 [<ffffffff816a9a31>] ip_do_fragment+0x831/0x8a0 [<ffffffff816a8c70>] ? ip_copy_metadata+0x1b0/0x1b0 [<ffffffff816a9ae3>] ip_fragment.constprop.49+0x43/0x80 [<ffffffff816a9c9c>] ip_finish_output+0x17c/0x340 [<ffffffff8169a6f4>] ? nf_hook_slow+0xe4/0x190 [<ffffffff816ab4c0>] ip_output+0x70/0x110 [<ffffffff816a9b20>] ? ip_fragment.constprop.49+0x80/0x80 [<ffffffff816aa9f9>] ip_local_out+0x39/0x70 [<ffffffff816abf89>] ip_send_skb+0x19/0x40 [<ffffffff816abfe3>] ip_push_pending_frames+0x33/0x40 [<ffffffff816d55d3>] raw_sendmsg+0x7d3/0xc30 [<ffffffff810b732b>] ? __lock_acquire+0x3db/0x1b90 [<ffffffff816e7557>] ? inet_sendmsg+0xc7/0x1d0 [<ffffffff810b63c4>] ? __lock_is_held+0x54/0x70 [<ffffffff816e759a>] inet_sendmsg+0x10a/0x1d0 [<ffffffff816e7495>] ? inet_sendmsg+0x5/0x1d0 [<ffffffff8163e398>] sock_sendmsg+0x38/0x50 [<ffffffff8163ec5f>] ___sys_sendmsg+0x25f/0x270 [<ffffffff811aadad>] ? handle_mm_fault+0x8dd/0x1320 [<ffffffff8178c147>] ? _raw_spin_unlock+0x27/0x40 [<ffffffff810529b2>] ? __do_page_fault+0x1e2/0x460 [<ffffffff81204886>] ? __fget_light+0x66/0x90 [<ffffffff8163f8e2>] __sys_sendmsg+0x42/0x80 [<ffffffff8163f932>] SyS_sendmsg+0x12/0x20 [<ffffffff8178cb17>] entry_SYSCALL_64_fastpath+0x12/0x6f Code: 00 00 44 89 e0 e9 7c fb ff ff 4c 89 ff e8 e7 e7 ff ff 41 8b 9d 80 00 00 00 2b 5d d4 89 d8 c1 f8 03 0f b7 c0 e9 33 ff ff f 66 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 55 48 RIP [<ffffffff816a9a92>] ip_do_fragment+0x892/0x8a0 RSP <ffff88006d603170> Fixes: 7f8a436eaa2c ("openvswitch: Add conntrack action") Signed-off-by: Joe Stringer <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-29Merge branch 'drm-fixes-4.5' of git://people.freedesktop.org/~agd5f/linux ↵Dave Airlie21-101/+192
into drm-fixes Misc radeon and amdgpu fixes: - SMU firmware loading fix for Stoney - DP audio fixes for DCE4.1 - Don't expose fbdev device if no connectors - fix page table LRU list update handling * 'drm-fixes-4.5' of git://people.freedesktop.org/~agd5f/linux: drm/amdgpu: only move pt bos in LRU list on success drm/radeon: fix DP audio support for APU with DCE4.1 display engine drm/radeon: Add a common function for DFS handling drm/radeon: cleaned up VCO output settings for DP audio drm/amd/powerplay: Update SMU firmware loading for Stoney drm/amdgpu: don't init fbdev if we don't have any connectors drm/radeon: only init fbdev if we have connectors drm/radeon: Ensure radeon bo is unreserved in radeon_gem_va_ioctl drm/amdgpu: fix next_rptr handling for debugfs drm/radeon: properly byte swap vce firmware setup drm/amdgpu: add a message to indicate when powerplay is enabled (v2) drm/amdgpu: fix amdgpu_bo_pin_restricted VRAM placing v2 drm/amd/amdgpu: Improve amdgpu_dpm* macros to avoid unexpected result (v2) drm/amdgpu: Allow the driver to load if amdgpu.powerplay=1 on asics without powerplay support drm/amdgpu: Use drm_calloc_large for VM page_tables array drm/amdgpu: Add some tweaks to gfx 8 soft reset drm/amdgpu: fix tonga smu resume
2016-01-28Merge branch 'sctp-transport-races'David S. Miller5-30/+24
Xin Long says: ==================== fix the transport dead race check by using atomic_add_unless on refcnt sctp: fix the transport dead race check by using atomic_add_unless on refcnt sctp: hold transport before we access t->asoc in sctp proc sctp: remove the dead field of sctp_transport ==================== Signed-off-by: David S. Miller <[email protected]>
2016-01-28sctp: remove the dead field of sctp_transportXin Long4-21/+2
After we use refcnt to check if transport is alive, the dead can be removed from sctp_transport. The traversal of transport_addr_list in procfs dump is using list_for_each_entry_rcu, no need to check if it has been freed. sctp_generate_t3_rtx_event and sctp_generate_heartbeat_event is protected by sock lock, it's not necessary to check dead, either. also, the timers are cancelled when sctp_transport_free() is called, that it doesn't wait for refcnt to reach 0 to cancel them. Signed-off-by: Xin Long <[email protected]> Signed-off-by: Marcelo Ricardo Leitner <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28sctp: hold transport before we access t->asoc in sctp procXin Long1-0/+8
Previously, before rhashtable, /proc assoc listing was done by read-locking the entire hash entry and dumping all assocs at once, so we were sure that the assoc wasn't freed because it wouldn't be possible to remove it from the hash meanwhile. Now we use rhashtable to list transports, and dump entries one by one. That is, now we have to check if the assoc is still a good one, as the transport we got may be being freed. Signed-off-by: Xin Long <[email protected]> Reviewed-by: Marcelo Ricardo Leitner <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28sctp: fix the transport dead race check by using atomic_add_unless on refcntXin Long3-9/+14
Now when __sctp_lookup_association is running in BH, it will try to check if t->dead is set, but meanwhile other CPUs may be freeing this transport and this assoc and if it happens that __sctp_lookup_association checked t->dead a bit too early, it may think that the association is still good while it was already freed. So we fix this race by using atomic_add_unless in sctp_transport_hold. After we get one transport from hashtable, we will hold it only when this transport's refcnt is not 0, so that we can make sure t->asoc cannot be freed before we hold the asoc again. Note that sctp association is not freed using RCU so we can't use atomic_add_unless() with it as it may just be too late for that either. Fixes: 4f0087812648 ("sctp: apply rhashtable api to send/recv path") Reported-by: Vlad Yasevich <[email protected]> Signed-off-by: Xin Long <[email protected]> Signed-off-by: Marcelo Ricardo Leitner <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28Merge branch 'mlxsw-fixes'David S. Miller4-40/+293
Jiri Pirko says: ==================== mlxsw: driver fixes Couple of various mlxsw driver fixes. ==================== Signed-off-by: David S. Miller <[email protected]>
2016-01-28mlxsw: reg: Use correct offset in field definitonIdo Schimmel1-3/+3
The rx_lane, tx_lane and module fields in the PMLP register don't have an additional offset besides the base one (0x04), so set it to 0x00. Fixes: 4ec14b7634b2 ("mlxsw: Add interface to access registers and process events") Signed-off-by: Ido Schimmel <[email protected]> Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28mlxsw: spectrum: Compare local ports instead of pointersIdo Schimmel1-2/+4
When dumping the FDB we can't compare the actual pointers of the ports structs, as it's possible the struct represents a vPort instead of the underlying physical port. Solve this by comparing the local port number instead, as it's shared between the physical ports and all the vPorts on top of him. Fixes: 54a732018d8e ("mlxsw: spectrum: Adjust switchdev ops for VLAN devices") Signed-off-by: Ido Schimmel <[email protected]> Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28mlxsw: spectrum: Dump LAG FDB records only onceIdo Schimmel1-2/+10
LAG FDB records can only point to LAG devices or VLAN devices configured on top of them. Therefore, when dumping the FDB we shouldn't associate these records with the underlying physical ports. Fixes: 8a1ab5d76639 ("mlxsw: spectrum: Implement FDB add/remove/dump for LAG") Signed-off-by: Ido Schimmel <[email protected]> Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28mlxsw: spectrum: Use correct netdev when notifying bridgeIdo Schimmel1-2/+4
LAG FDB entries pointing to VLAN devices should be reported to the bridge with the matching VLAN device and not the underlying LAG device. Fixes: aac78a440887 ("mlxsw: spectrum: Adjust FDB notifications for VLAN devices") Signed-off-by: Ido Schimmel <[email protected]> Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28mlxsw: spectrum: Don't report VLAN for 802.1D FDB entriesIdo Schimmel1-15/+16
When dumping the hardware FDB we should report entries pointing to VLAN devices with VLAN 0, as packets coming into the bridge are untagged. Likewise, pass FDB_{ADD,DEL} notifications with VLAN 0 for these devices. Fixes: 54a732018d8e ("mlxsw: spectrum: Adjust switchdev ops for VLAN devices") Signed-off-by: Ido Schimmel <[email protected]> Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28mlxsw: spectrum: Notify bridge's FDB only based on learning_syncIdo Schimmel1-8/+6
When we disable learning on bridge port we should still update the software bridge's FDB when entry pointing to this bridge port is aged-out. We can otherwise have an inconsistency between software and hardware tables. Fixes: 8a1ab5d76639 ("mlxsw: spectrum: Implement FDB add/remove/dump for LAG") Signed-off-by: Ido Schimmel <[email protected]> Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28mlxsw: spectrum: Disable learning according to STP stateIdo Schimmel1-1/+1
When port is put into LISTENING state it shouldn't populate the FDB, so set the port's STP state in hardware to DISCARDING instead of LEARNING. It will therefore keep listening to BPDU packets, but discard other non-control packets and won't perform any learning. Fixes: 56ade8fe3fe1 ("mlxsw: spectrum: Add initial support for Spectrum ASIC") Signed-off-by: Ido Schimmel <[email protected]> Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-01-28mlxsw: spectrum: Don't forward packets when STP state is DISABLEDIdo Schimmel1-1/+1
When STP state is set to DISABLED the port is assumed to be inactive, but currently we forward packets ingressing through it. Instead, set the port's STP state in hardware to DISCARDING, which means it doesn't forward packets or perform any learning, but it does trap control packets. However, these packets will be dropped by bridge code, which results in the expected behavior. Fixes: 56ade8fe3fe1 ("mlxsw: spectrum: Add initial support for Spectrum ASIC") Signed-off-by: Ido Schimmel <[email protected]> Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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