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2020-03-11dmaengine: Add basic debugfs supportPeter Ujfalusi
Via the /sys/kernel/debug/dmaengine/summary users can get information about the DMA devices and the used channels. Example output on am654-evm with audio using two channels and after running dmatest on 4 channels: dma0 (285c0000.dma-controller): number of channels: 96 dma1 (31150000.dma-controller): number of channels: 267 dma1chan0 | 2b00000.mcasp:tx dma1chan1 | 2b00000.mcasp:rx dma1chan2 | in-use dma1chan3 | in-use dma1chan4 | in-use dma1chan5 | in-use For slave channels we can show the device and the channel name a given channel is requested. For non slave devices the only information we know is that the channel is in use. DMA drivers can implement the optional dbg_summary_show callback to provide controller specific information instead of the generic one. It is easy to extend the generic dmaengine_summary_show() to print additional information about the used channels. I have taken the idea from gpiolib and clk subsystems. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Link: https://lore.kernel.org/r/20200306142839.17910-2-peter.ujfalusi@ti.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-03-10net: liquidio: reject unsupported coalescing paramsJakub Kicinski
Set ethtool_ops->supported_coalesce_params to let the core reject unsupported coalescing parameters. This driver did not previously reject unsupported parameters. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-10flow_offload: restrict driver to pass one allowed bit to ↵Jiri Pirko
flow_action_hw_stats_types_check() The intention of this helper was to allow driver to specify one type that it supports, so not only "any" value would pass. So make the API more strict and allow driver to pass only 1 bit that is going to be checked. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-10flow_offload: turn hw_stats_type into dedicated enumJiri Pirko
Put the values into enum and add an enum to define the bits. Suggested-by: Edward Cree <ecree@solarflare.com> Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-10flow_offload: fix allowed types checkJiri Pirko
Change the check to see if the passed allowed type bit is enabled. Fixes: 319a1d19471e ("flow_offload: check for basic action hw stats type") Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-10flow_offload: use flow_action_for_each in ↵Jiri Pirko
flow_action_mixed_hw_stats_types_check() Instead of manually iterating over entries, use flow_action_for_each helper. Move the helper and wrap it to fit to 80 cols on the way. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Acked-by: Pablo Neira Ayuso <pablo@netfilter.org> Acked-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-10Merge branch 'for-5.6-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup fixes from Tejun Heo: - cgroup.procs listing related fixes. It didn't interlock properly with exiting tasks leaving a short window where a cgroup has empty cgroup.procs but still can't be removed and misbehaved on short reads. - psi_show() crash fix on 32bit ino archs - Empty release_agent handling fix * 'for-5.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup1: don't call release_agent when it is "" cgroup: fix psi_show() crash on 32bit ino archs cgroup: Iterate tasks that did not finish do_exit() cgroup: cgroup_procs_next should increase position index cgroup-v1: cgroup_pidlist_next should update position index
2020-03-10Merge branch 'for-5.6-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull workqueue fixes from Tejun Heo: "Workqueue has been incorrectly round-robining per-cpu work items. Hillf's patch fixes that. The other patch documents memory-ordering properties of workqueue operations" * 'for-5.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: don't use wq_select_unbound_cpu() for bound works workqueue: Document (some) memory-ordering properties of {queue,schedule}_work()
2020-03-11Merge v5.6-rc5 into drm-nextDave Airlie
Requested my mripard for some misc patches that need this as a base. Signed-off-by: Dave Airlie <airlied@redhat.com>
2020-03-10PCI: Add pci_speed_string()Bjorn Helgaas
Add pci_speed_string() to return a text description of the supplied bus or link speed. The slot code previously used the private pci_bus_speed_strings[] array for this purpose, but adding this interface will enable us to consolidate similar code elsewhere. Export pcie_link_speed[] and pci_speed_string() so they can be used by modules. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2020-03-10IB/mlx5: Replace tunnel mpls capability bits for tunnel_offloadsAlex Vesker
Until now the flex parser capability was used in ib_query_device() to indicate tunnel_offloads_caps support for mpls_over_gre/mpls_over_udp. Newer devices and firmware will have configurations with the flexparser but without mpls support. Testing for the flex parser capability was a mistake, the tunnel_stateless capability was intended for detecting mpls and was introduced at the same time as the flex parser capability. Otherwise userspace will be incorrectly informed that a future device supports MPLS when it does not. Link: https://lore.kernel.org/r/20200305123841.196086-1-leon@kernel.org Cc: <stable@vger.kernel.org> # 4.17 Fixes: e818e255a58d ("IB/mlx5: Expose MPLS related tunneling offloads") Signed-off-by: Alex Vesker <valex@mellanox.com> Reviewed-by: Ariel Levkovich <lariel@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-03-10Merge tag 'v5.6-rc5' into rdma.git for-nextJason Gunthorpe
Required due to dependencies in following patches. Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-03-10io_uring: provide means of removing buffersJens Axboe
We have IORING_OP_PROVIDE_BUFFERS, but the only way to remove buffers is to trigger IO on them. The usual case of shrinking a buffer pool would be to just not replenish the buffers when IO completes, and instead just free it. But it may be nice to have a way to manually remove a number of buffers from a given group, and IORING_OP_REMOVE_BUFFERS provides that functionality. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-10net: abstract out normal and compat msghdr importJens Axboe
This splits it into two parts, one that imports the message, and one that imports the iovec. This allows a caller to only do the first part, and import the iovec manually afterwards. No functional changes in this patch. Acked-by: David Miller <davem@davemloft.net> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-10io_uring: support buffer selection for OP_READ and OP_RECVJens Axboe
If a server process has tons of pending socket connections, generally it uses epoll to wait for activity. When the socket is ready for reading (or writing), the task can select a buffer and issue a recv/send on the given fd. Now that we have fast (non-async thread) support, a task can have tons of pending reads or writes pending. But that means they need buffers to back that data, and if the number of connections is high enough, having them preallocated for all possible connections is unfeasible. With IORING_OP_PROVIDE_BUFFERS, an application can register buffers to use for any request. The request then sets IOSQE_BUFFER_SELECT in the sqe, and a given group ID in sqe->buf_group. When the fd becomes ready, a free buffer from the specified group is selected. If none are available, the request is terminated with -ENOBUFS. If successful, the CQE on completion will contain the buffer ID chosen in the cqe->flags member, encoded as: (buffer_id << IORING_CQE_BUFFER_SHIFT) | IORING_CQE_F_BUFFER; Once a buffer has been consumed by a request, it is no longer available and must be registered again with IORING_OP_PROVIDE_BUFFERS. Requests need to support this feature. For now, IORING_OP_READ and IORING_OP_RECV support it. This is checked on SQE submission, a CQE with res == -EOPNOTSUPP will be posted if attempted on unsupported requests. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-10io_uring: add IORING_OP_PROVIDE_BUFFERSJens Axboe
IORING_OP_PROVIDE_BUFFERS uses the buffer registration infrastructure to support passing in an addr/len that is associated with a buffer ID and buffer group ID. The group ID is used to index and lookup the buffers, while the buffer ID can be used to notify the application which buffer in the group was used. The addr passed in is the starting buffer address, and length is each buffer length. A number of buffers to add with can be specified, in which case addr is incremented by length for each addition, and each buffer increments the buffer ID specified. No validation is done of the buffer ID. If the application provides buffers within the same group with identical buffer IDs, then it'll have a hard time telling which buffer ID was used. The only restriction is that the buffer ID can be a max of 16-bits in size, so USHRT_MAX is the maximum ID that can be used. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-10Merge branch 'mlx5_packet_pacing' into rdma.git for-nextJason Gunthorpe
Yishai Hadas Says: ==================== Expose raw packet pacing APIs to be used by DEVX based applications. The existing code was refactored to have a single flow with the new raw APIs. ==================== Based on the mlx5-next branch at git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux Due to dependencies * branch 'mlx5_packet_pacing': IB/mlx5: Introduce UAPIs to manage packet pacing net/mlx5: Expose raw packet pacing APIs
2020-03-10IB/mlx5: Introduce UAPIs to manage packet pacingYishai Hadas
Introduce packet pacing uobject and its alloc and destroy methods. This uobject holds mlx5 packet pacing context according to the device specification and enables managing packet pacing device entries that are needed by DEVX applications. Link: https://lore.kernel.org/r/20200219190518.200912-3-leon@kernel.org Signed-off-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-03-10spi: update the structure documentationQiujun Huang
some members were not described in documentation. Signed-off-by: Qiujun Huang <hqjagain@gmail.com> Link: https://lore.kernel.org/r/1583774179-30736-1-git-send-email-hqjagain@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-10ASoC: soc-dapm: add for_each_card_widgets() macroKuninori Morimoto
To be more readable code, this patch adds new for_each_card_widgets() macro, and replace existing code to it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/87r1y2goga.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-10ASoC: soc-dapm: add for_each_card_dapms() macroKuninori Morimoto
To be more readable code, this patch adds new for_each_card_dapms() macro, and replace existing code to it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/87sgiigogf.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-10ASoC: soc.h: remove non plural form for_each_xxx macroKuninori Morimoto
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/87tv2ygogl.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-10ASoC: soc.h: add for_each_rtd_codecs/cpus_dai() macroKuninori Morimoto
We are using plural form for for_each_xxx() macro. But, for_each_rtd_codec/cpu_dai() are out of this rule. This patch adds plural form macro. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/8736aii326.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-10blk-mq: Fix a comment in include/linux/blk-mq.hBart Van Assche
The 'hctx_list' member of struct blk_mq_hw_ctx is not a list head but instead an entry in q->unused_hctx_list. Fix the comment above this struct member. Fixes: d386732bc142 ("blk-mq: fill header with kernel-doc") Signed-off-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Cc: André Almeida <andrealmeid@collabora.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-10ASoC: soc-core: disable route checks for legacy devicesPierre-Louis Bossart
v5.4 changes in soc-core tightened the checks on soc_dapm_add_routes, which results in the ASoC card probe failing. Introduce a flag to be set in machine drivers to prevent the probe from stopping in case of incomplete topologies or missing routes. This flag is for backwards compatibility only and shall not be used for newer machine drivers. Example with an HDaudio card with a bad topology: [ 236.177898] skl_hda_dsp_generic skl_hda_dsp_generic: ASoC: Failed to add route iDisp1_out -> direct -> iDisp1 Tx [ 236.177902] skl_hda_dsp_generic skl_hda_dsp_generic: snd_soc_bind_card: snd_soc_dapm_add_routes failed: -19 with the disable_route_checks set: [ 64.031657] skl_hda_dsp_generic skl_hda_dsp_generic: ASoC: Failed to add route iDisp1_out -> direct -> iDisp1 Tx [ 64.031661] skl_hda_dsp_generic skl_hda_dsp_generic: snd_soc_bind_card: disable_route_checks set, ignoring errors on add_routes Fixes: daa480bde6b3a9 ("ASoC: soc-core: tidyup for snd_soc_dapm_add_routes()") Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/20200309192744.18380-2-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-10i2c: smbus: remove outdated references to irq level triggersWolfram Sang
IRQ levels are now handled within the IRQ core. Remove the forgotten references from the documentation. Fixes: 9b9f2b8bc2ac ("i2c: i2c-smbus: Use threaded irq for smbalert") Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2020-03-10i2c: convert SMBus alert setup function to return an ERRPTRWolfram Sang
Only few drivers use this call, so drivers and I2C core are converted at once with this patch. By simply using i2c_new_client_device() instead of i2c_new_device(), we easily can return an ERRPTR for this function as well. To make out of tree users aware that something changed, the function is renamed to i2c_new_smbus_alert_device(). Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2020-03-10drm/bridge: synopsys: dw-hdmi: allow ycbcr420 modes for >= 0x200aNeil Armstrong
Now the DW-HDMI Controller supports the HDMI2.0 modes, enable support for these modes in the connector if the platform supports them. We limit these modes to DW-HDMI IP version >= 0x200a which are designed to support HDMI2.0 display modes. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jernej Škrabec <jernej.skrabec@siol.net> Link: https://patchwork.freedesktop.org/patch/msgid/20200304104052.17196-6-narmstrong@baylibre.com
2020-03-10iommu/vt-d: Silence RCU-list debugging warningsQian Cai
Similar to the commit 02d715b4a818 ("iommu/vt-d: Fix RCU list debugging warnings"), there are several other places that call list_for_each_entry_rcu() outside of an RCU read side critical section but with dmar_global_lock held. Silence those false positives as well. drivers/iommu/intel-iommu.c:4288 RCU-list traversed in non-reader section!! 1 lock held by swapper/0/1: #0: ffffffff935892c8 (dmar_global_lock){+.+.}, at: intel_iommu_init+0x1ad/0xb97 drivers/iommu/dmar.c:366 RCU-list traversed in non-reader section!! 1 lock held by swapper/0/1: #0: ffffffff935892c8 (dmar_global_lock){+.+.}, at: intel_iommu_init+0x125/0xb97 drivers/iommu/intel-iommu.c:5057 RCU-list traversed in non-reader section!! 1 lock held by swapper/0/1: #0: ffffffffa71892c8 (dmar_global_lock){++++}, at: intel_iommu_init+0x61a/0xb13 Signed-off-by: Qian Cai <cai@lca.pw> Acked-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-03-10Merge 5.6-rc5 into tty-nextGreg Kroah-Hartman
We need the vt fixes in here and it resolves a merge issue with drivers/tty/vt/selection.c Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-10Merge 5.6-rc5 into usb-nextGreg Kroah-Hartman
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-09net: stmmac: Integrate it with DesignWare XPCSJose Abreu
Adds all the necessary logic so that stmmac can be used with Synopsys DesignWare XPCS. Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: phy: Add Synopsys DesignWare XPCS MDIO moduleJose Abreu
Synopsys DesignWare XPCS is an MMD that can manage link status, auto-negotiation, link training, ... In this commit we add basic support for XPCS using USXGMII interface and Clause 73 Auto-negotiation. This is highly tied with PHYLINK and can't be used without it. A given ethernet driver can use the provided callbacks to add the support for XPCS. Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09Merge tag 'mlx5-updates-2020-03-09' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux Saeed Mahameed says: ==================== mlx5-updates-2020-03-09 This series provides updates to mlx5 driver: 1) Use vport metadata matching only when mandatory 2) Introduce root flow table and ethtool steering for uplink representors 3) Expose port speed via FW when link modes are not available 3) Misc cleanups ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: mscc: ocelot: properly account for VLAN header length when setting MRUVladimir Oltean
What the driver writes into MAC_MAXLEN_CFG does not actually represent VLAN_ETH_FRAME_LEN but instead ETH_FRAME_LEN + ETH_FCS_LEN. Yes they are numerically equal, but the difference is important, as the switch treats VLAN-tagged traffic specially and knows to increase the maximum accepted frame size automatically. So it is always wrong to account for VLAN in the MAC_MAXLEN_CFG register. Unconditionally increase the maximum allowed frame size for double-tagged traffic. Accounting for the additional length does not mean that the other VLAN membership checks aren't performed, so there's no harm done. Also, stop abusing the MTU name for configuring the MRU. There is no support for configuring the MRU on an interface at the moment. Fixes: a556c76adc05 ("net: mscc: Add initial Ocelot switch support") Fixes: fa914e9c4d94 ("net: mscc: ocelot: create a helper for changing the port MTU") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09tcp: add bytes not sent to SCM_TIMESTAMPING_OPT_STATSYousuk Seung
Add TCP_NLA_BYTES_NOTSENT to SCM_TIMESTAMPING_OPT_STATS that reports bytes in the write queue but not sent. This is the same metric as what is exported with tcp_info.tcpi_notsent_bytes. Signed-off-by: Yousuk Seung <ysseung@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09Merge branch 'mlx5-next' of ↵Saeed Mahameed
git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux This series adds some HW bits and definitions for mlx5 driver, to be used by downstream features in both rdma and netdev branches. * 'mlx5-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux: net/mlx5: HW bit for goto chain offload support net/mlx5: Expose link speed directly net/mlx5: Introduce TLS and IPSec objects enums net/mlx5: Introduce egress acl forward-to-vport capability net/mlx5: Expose raw packet pacing APIs net/mlx5e: Replace zero-length array with flexible-array member net/mlx5: fix spelling mistake "reserverd" -> "reserved" Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-03-09dt-bindings: clock: Add SM8250 GCC clock bindingsTaniya Das
Add device tree bindings for global clock controller on SM8250 SoCs. Signed-off-by: Taniya Das <tdas@codeaurora.org> Signed-off-by: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org> Signed-off-by: Vinod Koul <vkoul@kernel.org> Link: https://lkml.kernel.org/r/20200224045003.3783838-5-vkoul@kernel.org Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-03-09bpf: Add sockmap hooks for UDP socketsLorenz Bauer
Add basic psock hooks for UDP sockets. This allows adding and removing sockets, as well as automatic removal on unhash and close. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20200309111243.6982-8-lmb@cloudflare.com
2020-03-09bpf: sockmap: Move generic sockmap hooks from BPF TCPLorenz Bauer
The init, close and unhash handlers from TCP sockmap are generic, and can be reused by UDP sockmap. Move the helpers into the sockmap code base and expose them. This requires tcp_bpf_get_proto and tcp_bpf_clone to be conditional on BPF_STREAM_PARSER. The moved functions are unmodified, except that sk_psock_unlink is renamed to sock_map_unlink to better match its behaviour. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20200309111243.6982-6-lmb@cloudflare.com
2020-03-09bpf: tcp: Guard declarations with CONFIG_NET_SOCK_MSGLorenz Bauer
tcp_bpf.c is only included in the build if CONFIG_NET_SOCK_MSG is selected. The declaration should therefore be guarded as such. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20200309111243.6982-5-lmb@cloudflare.com
2020-03-09bpf: tcp: Move assertions into tcp_bpf_get_protoLorenz Bauer
We need to ensure that sk->sk_prot uses certain callbacks, so that code that directly calls e.g. tcp_sendmsg in certain corner cases works. To avoid spurious asserts, we must to do this only if sk_psock_update_proto has not yet been called. The same invariants apply for tcp_bpf_check_v6_needs_rebuild, so move the call as well. Doing so allows us to merge tcp_bpf_init and tcp_bpf_reinit. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20200309111243.6982-4-lmb@cloudflare.com
2020-03-09skmsg: Update saved hooks only onceLorenz Bauer
Only update psock->saved_* if psock->sk_proto has not been initialized yet. This allows us to get rid of tcp_bpf_reinit_sk_prot. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20200309111243.6982-3-lmb@cloudflare.com
2020-03-09bpf: sockmap: Only check ULP for TCP socketsLorenz Bauer
The sock map code checks that a socket does not have an active upper layer protocol before inserting it into the map. This requires casting via inet_csk, which isn't valid for UDP sockets. Guard checks for ULP by checking inet_sk(sk)->is_icsk first. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20200309111243.6982-2-lmb@cloudflare.com
2020-03-09Merge branch 'for-linus' into for-nextTakashi Iwai
Back-merge of 5.6 devel branch for further changes in 5.7 cycle Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-03-09drm/scheduler: implement a function to modify sched listNirmoy Das
Implement drm_sched_entity_modify_sched() which modifies existing sched_list with a different one. This is going to be helpful when userspace changes priority of a ctx/entity then the driver can switch to the corresponding HW scheduler list for that priority. Signed-off-by: Nirmoy Das <nirmoy.das@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-03-09include: linux: firmware: Correct config dependency of zynqmp_eemi_opsTejas Patel
zynqmp_eemi_ops will be compiled only when CONFIG_ZYNQMP_FIRMWARE is enabled. So check for CONFIG_ZYNQMP_FIRMWARE instead of checking for CONFIG_ARCH_ZYNQMP. Signed-off-by: Tejas Patel <tejas.patel@xilinx.com> Signed-off-by: Jolly Shah <jolly.shah@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-03-09mtd: spinand: rework detect procedure for different READ_ID operationChuanhong Guo
Currently there are 3 different variants of read_id implementation: 1. opcode only. Found in GD5FxGQ4xF. 2. opcode + 1 addr byte. Found in GD5GxGQ4xA/E 3. opcode + 1 dummy byte. Found in other currently supported chips. Original implementation was for variant 1 and let detect function of chips with variant 2 and 3 to ignore the first byte. This isn't robust: 1. For chips of variant 2, if SPI master doesn't keep MOSI low during read, chip will get a random id offset, and the entire id buffer will shift by that offset, causing detect failure. 2. For chips of variant 1, if it happens to get a devid that equals to manufacture id of variant 2 or 3 chips, it'll get incorrectly detected. This patch reworks detect procedure to address problems above. New logic do detection for all variants separatedly, in 1-2-3 order. Since all current detect methods do exactly the same id matching procedure, unify them into core.c and remove detect method from manufacture_ops. Tested on GD5F1GQ4UAYIG and W25N01GVZEIG. Signed-off-by: Chuanhong Guo <gch981213@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200208074439.146296-1-gch981213@gmail.com
2020-03-09dio: Remove unused dio_dev_driver()Geert Uytterhoeven
This function was never used. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Link: https://lore.kernel.org/r/20200112165613.20960-4-geert@linux-m68k.org
2020-03-09dio: Make dio_match_device() staticGeert Uytterhoeven
Unlike its PCI counterpart, dio_match_device() was never used outside the DIO bus code. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Link: https://lore.kernel.org/r/20200112165613.20960-2-geert@linux-m68k.org
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