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2018-09-18iavf: rename most of i40e stringsJesse Brandeburg
This is the big rename patch, it takes most of the i40e_ and I40E_ strings and renames them to iavf_ and IAVF_. Some of the adminq code, as well as most of the client interface code used by RDMA is left unchanged in order to indicate that the driver is talking to non-internal to iavf code. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-09-18Input: uinput - allow for max == min during input_absinfo validationPeter Hutterer
These values are inclusive, so a range of 1 requires min == max. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Martin Kepplinger <martin.kepplinger@ginzinger.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-09-18Input: elantech - enable middle button of touchpad on ThinkPad P72Aaron Ma
Adding 2 new touchpad IDs to support middle button support. Cc: stable@vger.kernel.org Signed-off-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-09-18Input: atakbd - fix Atari CapsLock behaviourMichael Schmitz
The CapsLock key on Atari keyboards is not a toggle, it does send the normal make and break scancodes. Drop the CapsLock toggle handling code, which did cause the CapsLock key to merely act as a Shift key. Tested-by: Michael Schmitz <schmitzmic@gmail.com> Signed-off-by: Michael Schmitz <schmitzmic@gmail.com> Signed-off-by: Andreas Schwab <schwab@linux-m68k.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-09-18Input: atakbd - fix Atari keymapAndreas Schwab
Fix errors in Atari keymap (mostly in keypad, help and undo keys). Patch provided on debian-68k ML by Andreas Schwab <schwab@linux-m68k.org>, keymap array size and unhandled scancode limit adjusted to 0x73 by me. Tested-by: Michael Schmitz <schmitzmic@gmail.com> Signed-off-by: Michael Schmitz <schmitzmic@gmail.com> Signed-off-by: Andreas Schwab <schwab@linux-m68k.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-09-18Input: egalax_ts - add system wakeup supportAnson Huang
This patch adds wakeup function support for egalax touch screen, if "wakeup-source" is added to device tree's egalax touch screen node, the wakeup function will be enabled, and egalax touch screen will be able to wakeup system from suspend. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-09-18Input: gpio-keys - fix a documentation index issueSong Qiang
gpio_keys.c now exists in the drivers/input/keyboard/ rather than drivers/input/. Signed-off-by: Song Qiang <songqiang.1304521@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-09-18iavf: tracing infrastructure renameJesse Brandeburg
Rename the i40e_trace file and fix up all the callers to the new names inside the iavf_trace.h file. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-09-18iavf: replace i40e_debug with iavf versionJesse Brandeburg
Change another string (i40e_debug) Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-09-18iavf: rename i40e_hw to iavf_hwJesse Brandeburg
Fix up the i40e_hw names to new name, including versions inside other strings. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-09-18iavf: rename I40E_ADMINQ_DESCJesse Brandeburg
Take care of some renames containing I40E_ADMINQ_DESC. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-09-18iavf: rename device ID definesJesse Brandeburg
Rename the device ID defines to have IAVF in them and remove all the unused defines. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-09-18iavf: remove references to old namesJesse Brandeburg
Remove the register name references to I40E_VF* and change to IAVF_VF. Update the descriptor names and defines to the IAVF name. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-09-18iavf: move i40evf files to new nameJesse Brandeburg
Simply move the i40evf files to the new name, updating the #includes to track the new names, and updating the Makefile as well. A future patch will remove the i40e references (after the code removal patches later in this series). Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-09-18iavf: rename i40e_status to iavf_statusJesse Brandeburg
This is just a rename of an internal variable i40e_status, but it was a pretty big change and so deserved it's own patch. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-09-18iavf: rename functions and structs to new nameJesse Brandeburg
This basically begins the internal portion of the rename of i40evf to iavf, by renaming many of the functions, structs, variables and defines. Most of the changes were made mechanically, which introduces some alignment issues. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-09-19Merge tag 'efi-urgent' of ↵Thomas Gleixner
git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into efi/urgent Pull EFI fix from Ard Biesheuvel: Apply a fix from Scott to make the ARM stub's DTB loader opt-out rather than opt-in.
2018-09-18iavf: diet and reformatJesse Brandeburg
Remove a bunch of unused code and reformat a few lines. Also remove some now un-necessary files. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-09-18MAINTAINERS: Update PPC contacts for PCI core error handlingBjorn Helgaas
The original PCI error recovery functionality was for the powerpc-specific IBM EEH feature. PCIe subsequently added some similar features, including AER and DPC, that can be used on any architecture. We want the generic PCI core error handling support to work with all of these features. Driver error recovery callbacks should be independent of which feature the platform provides. Add the generic PCI core error recovery files to the powerpc EEH MAINTAINERS entry so the powerpc folks will be copied on changes to the generic PCI error handling strategy. Add Sam and Oliver as maintainers for this area. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Russell Currey <ruscur@russell.cc> Acked-by: Sam Bobroff <sbobroff@linux.ibm.com>
2018-09-18x86/intel_rdt: Fix incorrect loop end conditionReinette Chatre
In order to determine a sane default cache allocation for a new CAT/CDP resource group, all resource groups are checked to determine which cache portions are available to share. At this time all possible CLOSIDs that can be supported by the resource is checked. This is problematic if the resource supports more CLOSIDs than another CAT/CDP resource. In this case, the number of CLOSIDs that could be allocated are fewer than the number of CLOSIDs that can be supported by the resource. Limit the check of closids to that what is supported by the system based on the minimum across all resources. Fixes: 95f0b77ef ("x86/intel_rdt: Initialize new resource group with sane defaults") Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: "H Peter Anvin" <hpa@zytor.com> Cc: "Tony Luck" <tony.luck@intel.com> Cc: "Xiaochen Shen" <xiaochen.shen@intel.com> Cc: "Chen Yu" <yu.c.chen@intel.com> Link: https://lkml.kernel.org/r/1537048707-76280-10-git-send-email-fenghua.yu@intel.com
2018-09-18x86/intel_rdt: Fix exclusive mode handling of MBA resourceReinette Chatre
It is possible for a resource group to consist out of MBA as well as CAT/CDP resources. The "exclusive" resource mode only applies to the CAT/CDP resources since MBA allocations cannot be specified to overlap or not. When a user requests a resource group to become "exclusive" then it can only be successful if there are CAT/CDP resources in the group and none of their CBMs associated with the group's CLOSID overlaps with any other resource group. Fix the "exclusive" mode setting by failing if there isn't any CAT/CDP resource in the group and ensuring that the CBM checking is only done on CAT/CDP resources. Fixes: 49f7b4efa ("x86/intel_rdt: Enable setting of exclusive mode") Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: "H Peter Anvin" <hpa@zytor.com> Cc: "Tony Luck" <tony.luck@intel.com> Cc: "Xiaochen Shen" <xiaochen.shen@intel.com> Cc: "Chen Yu" <yu.c.chen@intel.com> Link: https://lkml.kernel.org/r/1537048707-76280-9-git-send-email-fenghua.yu@intel.com
2018-09-18x86/intel_rdt: Fix incorrect loop end conditionReinette Chatre
A loop is used to check if a CAT resource's CBM of one CLOSID overlaps with the CBM of another CLOSID of the same resource. The loop is run over all CLOSIDs supported by the resource. The problem with running the loop over all CLOSIDs supported by the resource is that its number of supported CLOSIDs may be more than the number of supported CLOSIDs on the system, which is the minimum number of CLOSIDs supported across all resources. Fix the loop to only consider the number of system supported CLOSIDs, not all that are supported by the resource. Fixes: 49f7b4efa ("x86/intel_rdt: Enable setting of exclusive mode") Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: "H Peter Anvin" <hpa@zytor.com> Cc: "Tony Luck" <tony.luck@intel.com> Cc: "Xiaochen Shen" <xiaochen.shen@intel.com> Cc: "Chen Yu" <yu.c.chen@intel.com> Link: https://lkml.kernel.org/r/1537048707-76280-8-git-send-email-fenghua.yu@intel.com
2018-09-18x86/intel_rdt: Do not allow pseudo-locking of MBA resourceReinette Chatre
A system supporting pseudo-locking may have MBA as well as CAT resources of which only the CAT resources could support cache pseudo-locking. When the schemata to be pseudo-locked is provided it should be checked that that schemata does not attempt to pseudo-lock a MBA resource. Fixes: e0bdfe8e3 ("x86/intel_rdt: Support creation/removal of pseudo-locked region") Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: "H Peter Anvin" <hpa@zytor.com> Cc: "Tony Luck" <tony.luck@intel.com> Cc: "Xiaochen Shen" <xiaochen.shen@intel.com> Cc: "Chen Yu" <yu.c.chen@intel.com> Link: https://lkml.kernel.org/r/1537048707-76280-7-git-send-email-fenghua.yu@intel.com
2018-09-18x86/intel_rdt: Fix unchecked MSR accessReinette Chatre
When a new resource group is created, it is initialized with sane defaults that currently assume the resource being initialized is a CAT resource. This code path is also followed by a MBA resource that is not allocated the same as a CAT resource and as a result we encounter the following unchecked MSR access error: unchecked MSR access error: WRMSR to 0xd51 (tried to write 0x0000 000000000064) at rIP: 0xffffffffae059994 (native_write_msr+0x4/0x20) Call Trace: mba_wrmsr+0x41/0x80 update_domains+0x125/0x130 rdtgroup_mkdir+0x270/0x500 Fix the above by ensuring the initial allocation is only attempted on a CAT resource. Fixes: 95f0b77ef ("x86/intel_rdt: Initialize new resource group with sane defaults") Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: "H Peter Anvin" <hpa@zytor.com> Cc: "Tony Luck" <tony.luck@intel.com> Cc: "Xiaochen Shen" <xiaochen.shen@intel.com> Cc: "Chen Yu" <yu.c.chen@intel.com> Link: https://lkml.kernel.org/r/1537048707-76280-6-git-send-email-fenghua.yu@intel.com
2018-09-18x86/intel_rdt: Fix invalid mode warning when multiple resources are managedReinette Chatre
When multiple resources are managed by RDT, the number of CLOSIDs used is the minimum of the CLOSIDs supported by each resource. In the function rdt_bit_usage_show(), the annotated bitmask is created to depict how the CAT supporting caches are being used. During this annotated bitmask creation, each resource group is queried for its mode that is used as a label in the annotated bitmask. The maximum number of resource groups is currently assumed to be the number of CLOSIDs supported by the resource for which the information is being displayed. This is incorrect since the number of active CLOSIDs is the minimum across all resources. If information for a cache instance with more CLOSIDs than another is being generated we thus encounter a warning like: invalid mode for closid 8 WARNING: CPU: 88 PID: 1791 at [SNIP]/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c :827 rdt_bit_usage_show+0x221/0x2b0 Fix this by ensuring that only the number of supported CLOSIDs are considered. Fixes: e651901187ab8 ("x86/intel_rdt: Introduce "bit_usage" to display cache allocations details") Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: "H Peter Anvin" <hpa@zytor.com> Cc: "Tony Luck" <tony.luck@intel.com> Cc: "Xiaochen Shen" <xiaochen.shen@intel.com> Cc: "Chen Yu" <yu.c.chen@intel.com> Link: https://lkml.kernel.org/r/1537048707-76280-5-git-send-email-fenghua.yu@intel.com
2018-09-18x86/intel_rdt: Global closid helper to support future fixesReinette Chatre
The number of CLOSIDs supported by a system is the minimum number of CLOSIDs supported by any of its resources. Care should be taken when iterating over the CLOSIDs of a resource since it may be that the number of CLOSIDs supported on the system is less than the number of CLOSIDs supported by the resource. Introduce a helper function that can be used to query the number of CLOSIDs that is supported by all resources, irrespective of how many CLOSIDs are supported by a particular resource. Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: "H Peter Anvin" <hpa@zytor.com> Cc: "Tony Luck" <tony.luck@intel.com> Cc: "Xiaochen Shen" <xiaochen.shen@intel.com> Cc: "Chen Yu" <yu.c.chen@intel.com> Link: https://lkml.kernel.org/r/1537048707-76280-4-git-send-email-fenghua.yu@intel.com
2018-09-18x86/intel_rdt: Fix size reporting of MBA resourceReinette Chatre
Chen Yu reported a divide-by-zero error when accessing the 'size' resctrl file when a MBA resource is enabled. divide error: 0000 [#1] SMP PTI CPU: 93 PID: 1929 Comm: cat Not tainted 4.19.0-rc2-debug-rdt+ #25 RIP: 0010:rdtgroup_cbm_to_size+0x7e/0xa0 Call Trace: rdtgroup_size_show+0x11a/0x1d0 seq_read+0xd8/0x3b0 Quoting Chen Yu's report: This is because for MB resource, the r->cache.cbm_len is zero, thus calculating size in rdtgroup_cbm_to_size() will trigger the exception. Fix this issue in the 'size' file by getting correct memory bandwidth value which is in MBps when MBA software controller is enabled or in percentage when MBA software controller is disabled. Fixes: d9b48c86eb38 ("x86/intel_rdt: Display resource groups' allocations in bytes") Reported-by: Chen Yu <yu.c.chen@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Chen Yu <yu.c.chen@intel.com> Cc: "H Peter Anvin" <hpa@zytor.com> Cc: "Tony Luck" <tony.luck@intel.com> Cc: "Xiaochen Shen" <xiaochen.shen@intel.com> Link: https://lkml.kernel.org/r/20180904174614.26682-1-yu.c.chen@intel.com Link: https://lkml.kernel.org/r/1537048707-76280-3-git-send-email-fenghua.yu@intel.com
2018-09-18x86/intel_rdt: Fix data type in parsing callbacksXiaochen Shen
Each resource is associated with a parsing callback to parse the data provided from user space when writing schemata file. The 'data' parameter in the callbacks is defined as a void pointer which is error prone due to lack of type check. parse_bw() processes the 'data' parameter as a string while its caller actually passes the parameter as a pointer to struct rdt_cbm_parse_data. Thus, parse_bw() takes wrong data and causes failure of parsing MBA throttle value. To fix the issue, the 'data' parameter in all parsing callbacks is defined and handled as a pointer to struct rdt_parse_data (renamed from struct rdt_cbm_parse_data). Fixes: 7604df6e16ae ("x86/intel_rdt: Support flexible data to parsing callbacks") Fixes: 9ab9aa15c309 ("x86/intel_rdt: Ensure requested schemata respects mode") Signed-off-by: Xiaochen Shen <xiaochen.shen@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: "H Peter Anvin" <hpa@zytor.com> Cc: "Tony Luck" <tony.luck@intel.com> Cc: "Chen Yu" <yu.c.chen@intel.com> Link: https://lkml.kernel.org/r/1537048707-76280-2-git-send-email-fenghua.yu@intel.com
2018-09-18Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Two new tls tests added in parallel in both net and net-next. Used Stephen Rothwell's linux-next resolution. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-18samples/bpf: fix a compilation failureYonghong Song
samples/bpf build failed with the following errors: $ make samples/bpf/ ... HOSTCC samples/bpf/sockex3_user.o /data/users/yhs/work/net-next/samples/bpf/sockex3_user.c:16:8: error: redefinition of ‘struct bpf_flow_keys’ struct bpf_flow_keys { ^ In file included from /data/users/yhs/work/net-next/samples/bpf/sockex3_user.c:4:0: ./usr/include/linux/bpf.h:2338:9: note: originally defined here struct bpf_flow_keys *flow_keys; ^ make[3]: *** [samples/bpf/sockex3_user.o] Error 1 Commit d58e468b1112d ("flow_dissector: implements flow dissector BPF hook") introduced struct bpf_flow_keys in include/uapi/linux/bpf.h and hence caused the naming conflict with samples/bpf/sockex3_user.c. The fix is to rename struct bpf_flow_keys in samples/bpf/sockex3_user.c to flow_keys to avoid the conflict. Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-09-18samples/bpf: remove duplicated includesYueHaibing
Remove duplicated includes. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-09-18intel-ethernet: rename i40evf to iavfJesse Brandeburg
Rename the Intel Ethernet Adaptive Virtual Function driver (i40evf) to a new name (iavf) that is more consistent with the ongoing maintenance of the driver as the universal VF driver for multiple product lines. This first patch fixes up the directory names and the .ko name, intentionally ignoring the function names inside the driver for now. Basically this is the simplest patch that gets the rename done and will be followed by other patches that rename the internal functions. This patch also addresses a couple of string/name issues and updates the Copyright year. Also, made sure to add a MODULE_ALIAS to the old name. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-09-18tools/bpf: bpftool: improve output format for bpftool netYonghong Song
This is a followup patch for Commit f6f3bac08ff9 ("tools/bpf: bpftool: add net support"). Some improvements are made for the bpftool net output. Specially, plain output is more concise such that per attachment should nicely fit in one line. Compared to previous output, the prog tag is removed since it can be easily obtained with program id. Similar to xdp attachments, the device name is added to tc attachments. The bpf program attached through shared block mechanism is supported as well. $ ip link add dev v1 type veth peer name v2 $ tc qdisc add dev v1 ingress_block 10 egress_block 20 clsact $ tc qdisc add dev v2 ingress_block 10 egress_block 20 clsact $ tc filter add block 10 protocol ip prio 25 bpf obj bpf_shared.o sec ingress flowid 1:1 $ tc filter add block 20 protocol ip prio 30 bpf obj bpf_cyclic.o sec classifier flowid 1:1 $ bpftool net xdp: tc: v2(7) clsact/ingress bpf_shared.o:[ingress] id 23 v2(7) clsact/egress bpf_cyclic.o:[classifier] id 24 v1(8) clsact/ingress bpf_shared.o:[ingress] id 23 v1(8) clsact/egress bpf_cyclic.o:[classifier] id 24 The documentation and "bpftool net help" are updated to make it clear that current implementation only supports xdp and tc attachments. For programs attached to cgroups, "bpftool cgroup" can be used to dump attachments. For other programs e.g. sk_{filter,skb,msg,reuseport} and lwt/seg6, iproute2 tools should be used. The new output: $ bpftool net xdp: eth0(2) driver id 198 tc: eth0(2) clsact/ingress fbflow_icmp id 335 act [{icmp_action id 336}] eth0(2) clsact/egress fbflow_egress id 334 $ bpftool -jp net [{ "xdp": [{ "devname": "eth0", "ifindex": 2, "mode": "driver", "id": 198 } ], "tc": [{ "devname": "eth0", "ifindex": 2, "kind": "clsact/ingress", "name": "fbflow_icmp", "id": 335, "act": [{ "name": "icmp_action", "id": 336 } ] },{ "devname": "eth0", "ifindex": 2, "kind": "clsact/egress", "name": "fbflow_egress", "id": 334 } ] } ] Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-09-18Merge tag 'gvt-fixes-2018-09-18' of https://github.com/intel/gvt-linux into ↵Rodrigo Vivi
drm-intel-fixes gvt-fixes-2018-09-18 - Fix initial DPIO PHY register state for BXT (Colin) - BXT untracked GEN9_CLKGATE_DIS_4 warning fix (Colin) - Fix srcu lock for GFN valid check (Weinan) - Should clear GGTT entry value after vGPU destroy (Zhipeng) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> From: Zhenyu Wang <zhenyuw@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180918073349.GQ20737@zhen-hp.sh.intel.com
2018-09-18intel_th: pci: Add Ice Lake PCH supportAlexander Shishkin
This adds Intel(R) Trace Hub PCI ID for Ice Lake PCH. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18intel_th: Fix resource handling for ACPI glue layerAlexander Shishkin
The core of the driver expects the resource array from the glue layer to be indexed by even numbers, as is the case for 64-bit PCI resources. This doesn't hold true for others, ACPI in this instance, which leads to an out-of-bounds access and an ioremap() on whatever address that access fetches. This patch fixes the problem by reading resource array differently based on whether the 64-bit flag is set, which would indicate PCI glue layer. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Fixes: ebc57e399b8e ("intel_th: Add ACPI glue layer") CC: stable@vger.kernel.org # v4.17+ Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18intel_th: Fix device removal logicAlexander Shishkin
Commit a753bfcfdb1f ("intel_th: Make the switch allocate its subdevices") brings in new subdevice addition/removal logic that's broken for "host mode": the SWITCH device has no children to begin with, which is not handled in the code. This results in a null dereference bug later down the path. This patch fixes the subdevice removal code to handle host mode correctly. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Fixes: a753bfcfdb1f ("intel_th: Make the switch allocate its subdevices") CC: stable@vger.kernel.org # v4.14+ Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18tty: vt_ioctl: fix potential Spectre v1Gustavo A. R. Silva
vsa.console is indirectly controlled by user-space, hence leading to a potential exploitation of the Spectre variant 1 vulnerability. This issue was detected with the help of Smatch: drivers/tty/vt/vt_ioctl.c:711 vt_ioctl() warn: potential spectre issue 'vc_cons' [r] Fix this by sanitizing vsa.console before using it to index vc_cons Notice that given that speculation windows are large, the policy is to kill the speculation on the first load and not worry if it can be completed with a dependent load/store [1]. [1] https://marc.info/?l=linux-kernel&m=152449131114778&w=2 Cc: stable@vger.kernel.org Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Reviewed-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18tty: Drop tty->count on tty_reopen() failureDmitry Safonov
In case of tty_ldisc_reinit() failure, tty->count should be decremented back, otherwise we will never release_tty(). Tetsuo reported that it fixes noisy warnings on tty release like: pts pts4033: tty_release: tty->count(10529) != (#fd's(7) + #kopen's(0)) Fixes: commit 892d1fa7eaae ("tty: Destroy ldisc instance on hangup") Cc: stable@vger.kernel.org # v4.6+ Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jslaby@suse.com> Reviewed-by: Jiri Slaby <jslaby@suse.cz> Tested-by: Jiri Slaby <jslaby@suse.com> Tested-by: Mark Rutland <mark.rutland@arm.com> Tested-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> Signed-off-by: Dmitry Safonov <dima@arista.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18serial: cpm_uart: return immediately from console pollChristophe Leroy
kgdb expects poll function to return immediately and returning NO_POLL_CHAR when no character is available. Fixes: f5316b4aea024 ("kgdb,8250,pl011: Return immediately from console poll") Cc: Jason Wessel <jason.wessel@windriver.com> Cc: <stable@vger.kernel.org> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18tty: serial: lpuart: avoid leaking struct tty_structStefan Agner
The function tty_port_tty_get() gets a reference to the tty. Since the code is not using tty_port_tty_set(), the reference is kept even after closing the tty. Avoid using tty_port_tty_get() by directly access the tty instance. Since lpuart_start_rx_dma() is called from the .startup() and .set_termios() callback, it is safe to assume the tty instance is valid. Cc: stable@vger.kernel.org # v4.9+ Fixes: 5887ad43ee02 ("tty: serial: fsl_lpuart: Use cyclic DMA for Rx") Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18serial: mvebu-uart: Fix reporting of effective CSIZE to userspaceJan Kiszka
Apparently, this driver (or the hardware) does not support character length settings. It's apparently running in 8-bit mode, but it makes userspace believe it's in 5-bit mode. That makes tcsetattr with CS8 incorrectly fail, breaking e.g. getty from busybox, thus the login shell on ttyMVx. Fix by hard-wiring CS8 into c_cflag. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Fixes: 30530791a7a0 ("serial: mvebu-uart: initial support for Armada-3700 serial port") Cc: stable <stable@vger.kernel.org> # 4.6+ Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-18perf Documentation: Fix out-of-tree asciidoctor man page generationBen Hutchings
The dependency for the man page rule using asciidoctor incorrectly specifies a source file in $(OUTPUT). When building out-of-tree, the source file is not found, resulting in a fall-back to the following rule which uses xmlto. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180916151704.GF4765@decadent.org.uk Fixes: ffef80ecf89f ("perf Documentation: Support for asciidoctor") Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-18tools lib bpf: Provide wrapper for strerror_r to build in !_GNU_SOURCE systemsArnaldo Carvalho de Melo
Same problem that got fixed in a similar fashion in tools/perf/ in c8b5f2c96d1b ("tools: Introduce str_error_r()"), fix it in the same way, licensing needs to be sorted out to libbpf to use libapi, so, for this simple case, just get the same wrapper in tools/lib/bpf. This makes libbpf and its users (bpftool, selftests, perf) to build again in Alpine Linux 3.[45678] and edge. Acked-by: Alexei Starovoitov <ast@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: David Ahern <dsahern@gmail.com> Cc: Hendrik Brueckner <brueckner@linux.ibm.com> Cc: Jakub Kicinski <jakub.kicinski@netronome.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Martin KaFai Lau <kafai@fb.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Quentin Monnet <quentin.monnet@netronome.com> Cc: Thomas Richter <tmricht@linux.ibm.com> Cc: Wang Nan <wangnan0@huawei.com> Cc: Yonghong Song <yhs@fb.com> Fixes: 1ce6a9fc1549 ("bpf: fix build error in libbpf with EXTRA_CFLAGS="-Wp, -D_FORTIFY_SOURCE=2 -O2"") Link: https://lkml.kernel.org/r/20180917151636.GA21790@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-18Merge tag 'kvm-ppc-fixes-4.19-2' of ↵Paolo Bonzini
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into HEAD Second set of PPC KVM fixes for 4.19 Two fixes for KVM on POWER machines. Both of these relate to memory corruption and host crashes seen when transparent huge pages are enabled. The first fixes a host crash that can occur when a DMA mapping is removed by the guest and the page mapped was part of a transparent huge page; the second fixes corruption that could occur when a hypervisor page fault for a radix guest is being serviced at the same time that the backing page is being collapsed or split.
2018-09-18Merge tag 'kvm-s390-master-4.19-2' of ↵Paolo Bonzini
git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD KVM: s390: Fixes for 4.19 - more fallout from the hugetlbfs enablement - bugfix for vma handling
2018-09-18powerpc: Avoid code patching freed init sectionsMichael Neuling
This stops us from doing code patching in init sections after they've been freed. In this chain: kvm_guest_init() -> kvm_use_magic_page() -> fault_in_pages_readable() -> __get_user() -> __get_user_nocheck() -> barrier_nospec(); We have a code patching location at barrier_nospec() and kvm_guest_init() is an init function. This whole chain gets inlined, so when we free the init section (hence kvm_guest_init()), this code goes away and hence should no longer be patched. We seen this as userspace memory corruption when using a memory checker while doing partition migration testing on powervm (this starts the code patching post migration via /sys/kernel/mobility/migration). In theory, it could also happen when using /sys/kernel/debug/powerpc/barrier_nospec. Cc: stable@vger.kernel.org # 4.13+ Signed-off-by: Michael Neuling <mikey@neuling.org> Reviewed-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-09-18sysfs: Do not return POSIX ACL xattrs via listxattrAndreas Gruenbacher
Commit 786534b92f3c introduced a regression that caused listxattr to return the POSIX ACL attribute names even though sysfs doesn't support POSIX ACLs. This happens because simple_xattr_list checks for NULL i_acl / i_default_acl, but inode_init_always initializes those fields to ACL_NOT_CACHED ((void *)-1). For example: $ getfattr -m- -d /sys /sys: system.posix_acl_access: Operation not supported /sys: system.posix_acl_default: Operation not supported Fix this in simple_xattr_list by checking if the filesystem supports POSIX ACLs. Fixes: 786534b92f3c ("tmpfs: listxattr should include POSIX ACL xattrs") Reported-by: Marc Aurèle La France <tsi@tuyoix.net> Tested-by: Marc Aurèle La France <tsi@tuyoix.net> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Cc: stable@vger.kernel.org # v4.5+ Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2018-09-18drm: fix drm_drv_uses_atomic_modeset on non modesetting drivers.Dave Airlie
vgem seems to oops on the intel CI due to the vgem debugfs init hitting this path now. Check if we have mode_config funcs before checking one. Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20180918062018.24942-1-airlied@gmail.com
2018-09-18Merge tag 'soundwire-4.19-fixes' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire into char-misc-linus Vinod writes: soundwire fixes for 4.19 - fixes in bus for - bus lock on master release - incorrect exit after stream configuration - duplicate stream state assignment
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