- 11 Aug, 2017 2 commits
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Tejun Heo authored
commit 7af608e4 upstream. On subsystem registration, css_populate_dir() is not called on the new root css, so the interface files for the subsystem on cgrp_dfl_root aren't created on registration. This is a residue from the days when cgrp_dfl_root was used only as the parking spot for unused subsystems, which no longer is true as it's used as the root for cgroup2. This is often fine as later operations tend to create them as a part of mount (cgroup1) or subtree_control operations (cgroup2); however, it's not difficult to mount cgroup2 with the controller interface files missing as Waiman found out. Fix it by invoking css_populate_dir() on the root css on subsys registration. Signed-off-by:
Tejun Heo <tj@kernel.org> Reported-and-tested-by:
Waiman Long <longman@redhat.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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John David Anglin authored
commit 13d57093 upstream. In testing James' patch to drivers/parisc/pdc_stable.c, I hit the BUG statement in flush_cache_range() during a system shutdown: kernel BUG at arch/parisc/kernel/cache.c:595! CPU: 2 PID: 6532 Comm: kworker/2:0 Not tainted 4.13.0-rc2+ #1 Workqueue: events free_ioctx IAOQ[0]: flush_cache_range+0x144/0x148 IAOQ[1]: flush_cache_page+0x0/0x1a8 RP(r2): flush_cache_range+0xec/0x148 Backtrace: [<00000000402910ac>] unmap_page_range+0x84/0x880 [<00000000402918f4>] unmap_single_vma+0x4c/0x60 [<0000000040291a18>] zap_page_range_single+0x110/0x160 [<0000000040291c34>] unmap_mapping_range+0x174/0x1a8 [<000000004026ccd8>] truncate_pagecache+0x50/0xa8 [<000000004026cd84>] truncate_setsize+0x54/0x70 [<000000004033d534>] put_aio_ring_file+0x44/0xb0 [<000000004033d5d8>] aio_free_ring+0x38/0x140 [<000000004033d714>] free_ioctx+0x34/0xa8 [<00000000401b0028>] process_one_work+0x1b8/0x4d0 [<00000000401b04f4>] worker_thread+0x1b4/0x648 [<00000000401b9128>] kthread+0x1b0/0x208 [<0000000040150020>] end_fault_vector+0x20/0x28 [<0000000040639518>] nf_ip_reroute+0x50/0xa8 [<0000000040638ed0>] nf_ip_route+0x10/0x78 [<0000000040638c90>] xfrm4_mode_tunnel_input+0x180/0x1f8 CPU: 2 PID: 6532 Comm: kworker/2:0 Not tainted 4.13.0-rc2+ #1 Workqueue: events free_ioctx Backtrace: [<0000000040163bf0>] show_stack+0x20/0x38 [<0000000040688480>] dump_stack+0xa8/0x120 [<0000000040163dc4>] die_if_kernel+0x19c/0x2b0 [<0000000040164d0c>] handle_interruption+0xa24/0xa48 This patch modifies flush_cache_range() to handle non current contexts. In as much as this occurs infrequently, the simplest approach is to flush the entire cache when this happens. Signed-off-by:
John David Anglin <dave.anglin@bell.net> Signed-off-by:
Helge Deller <deller@gmx.de> Signed-off-by:
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- 07 Aug, 2017 38 commits
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Greg Kroah-Hartman authored
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Patrick Lai authored
[ Upstream commit 9f169b9f ] When multiple front-ends are using the same back-end, putting state of a front-end to STOP state upon receiving pause command will result in backend stream getting released by DPCM framework unintentionally. In order to avoid backend to be released when another active front-end stream is present, put the stream state to PAUSED state instead of STOP state. Signed-off-by:
Patrick Lai <plai@codeaurora.org> Signed-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
Sasha Levin <alexander.levin@verizon.com> Signed-off-by:
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Jeeja KP authored
[ Upstream commit bc65a326 ] Saved firmware ctx was not never released, so release Firmware ctx in cleanup routine. Signed-off-by:
Jeeja KP <jeeja.kp@intel.com> Acked-by:
Vinod Koul <vinod.koul@intel.com> Signed-off-by:
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Benjamin Poirier authored
[ Upstream commit 2d1148f0 ] bna & bfa firmware version 3.2.5.1 was submitted to linux-firmware on Feb 17 19:10:20 2015 -0500 in 0ab54ff1dc ("linux-firmware: Add QLogic BR Series Adapter Firmware"). bna was updated to use the newer firmware on Feb 19 16:02:32 2015 -0500 in 3f307c3d ("bna: Update the Driver and Firmware Version") bfa was not updated. I presume this was an oversight but it broke support for bfa+bna cards such as the following 04:00.0 Fibre Channel [0c04]: Brocade Communications Systems, Inc. 1010/1020/1007/1741 10Gbps CNA [1657:0014] (rev 01) 04:00.1 Fibre Channel [0c04]: Brocade Communications Systems, Inc. 1010/1020/1007/1741 10Gbps CNA [1657:0014] (rev 01) 04:00.2 Ethernet controller [0200]: Brocade Communications Systems, Inc. 1010/1020/1007/1741 10Gbps CNA [1657:0014] (rev 01) 04:00.3 Ethernet controller [0200]: Brocade Communications Systems, Inc. 1010/1020/1007/1741 10Gbps CNA [1657:0014] (rev 01) Currently, if the bfa module is loaded first, bna fails to probe the respective devices with [ 215.026787] bna: QLogic BR-series 10G Ethernet driver - version: 3.2.25.1 [ 215.043707] bna 0000:04:00.2: bar0 mapped to ffffc90001fc0000, len 262144 [ 215.060656] bna 0000:04:00.2: initialization failed err=1 [ 215.073893] bna 0000:04:00.3: bar0 mapped to ffffc90002040000, len 262144 [ 215.090644] bna 0000:04:00.3: initialization failed err=1 Whereas if bna is loaded first, bfa fails with [ 249.592109] QLogic BR-series BFA FC/FCOE SCSI driver - version: 3.2.25.0 [ 249.610738] bfa 0000:04:00.0: Running firmware version is incompatible with the driver version [ 249.833513] bfa 0000:04:00.0: bfa init failed [ 249.833919] scsi host6: QLogic BR-series FC/FCOE Adapter, hwpath: 0000:04:00.0 driver: 3.2.25.0 [ 249.841446] bfa 0000:04:00.1: Running firmware version is incompatible with the driver version [ 250.045449] bfa 0000:04:00.1: bfa init failed [ 250.045962] scsi host7: QLogic BR-series FC/FCOE Adapter, hwpath: 0000:04:00.1 driver: 3.2.25.0 Increase bfa's requested firmware version. Also increase the driver version. I only tested that all of the devices probe without error. Reported-by:
Tim Ehlers <tehlers@gwdg.de> Signed-off-by:
Benjamin Poirier <bpoirier@suse.com> Acked-by:
Rasesh Mody <rasesh.mody@cavium.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by:
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Burak Ok authored
[ Upstream commit 0371adcd ] If a call to mempool_create_slab_pool() in snic_probe() returns NULL, return -ENOMEM to indicate failure. mempool_creat_slab_pool() only fails if it cannot allocate memory. https://bugzilla.kernel.org/show_bug.cgi?id=189061 Reported-by: bianpan2010@ruc.edu.cn Signed-off-by:
Burak Ok <burak-kernel@bur0k.de> Signed-off-by:
Andreas Schaertl <andreas.schaertl@fau.de> Acked-by:
Narsimhulu Musini <nmusini@cisco.com> Reviewed-by:
Ewan D. Milne <emilne@redhat.com> Signed-off-by:
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Satish Kharat authored
[ Upstream commit 9698b6f4 ] This fix is to avoid calling fnic_fw_reset_handler through fnic_host_reset when a finc reset is alreay in progress. Signed-off-by:
Satish Kharat <satishkh@cisco.com> Signed-off-by:
Sesidhar Baddela <sebaddel@cisco.com> Signed-off-by:
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Jiri Kosina authored
[ Upstream commit 08f95726 ] This headlamp contains a dummy HID descriptor which pretends to be a mouse-like device, but can't be used as a mouse at all. Reported-by:
Lukas Ocilka <lukas.ocilka@suse.com> Signed-off-by:
Jiri Kosina <jkosina@suse.cz> Signed-off-by:
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Pierre-Louis Bossart authored
[ Upstream commit 60448b07 ] Frequency value of zero did not make sense, use same 24.576MHz setting and only change the clock source in idle mode Suggested-by:
Bard Liao <bardliao@realtek.com> Signed-off-by:
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by:
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David Carrillo-Cisneros authored
[ Upstream commit 74545f63 ] The conversion of Intel PMU drivers into modules did not include reference counting. The machine will crash when attempting to access deleted code if an event from a module PMU is started and the module removed before the event is destroyed. i.e. this crashes the machine: $ insmod intel-rapl-perf.ko $ perf stat -e power/energy-cores/ -C 0 & $ rmmod intel-rapl-perf.ko Set THIS_MODULE to pmu->module in Intel module PMUs so that generic code can handle reference counting and deny rmmod while an event still exists. Signed-off-by:
David Carrillo-Cisneros <davidcc@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Borislav Petkov <bp@suse.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Kan Liang <kan.liang@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul Turner <pjt@google.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1482455860-116269-1-git-send-email-davidcc@google.comSigned-off-by:
Ingo Molnar <mingo@kernel.org> Signed-off-by:
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Andy Shevchenko authored
[ Upstream commit 159d3726 ] The current implementation supports only Intel Merrifield platforms. Don't mess with the rest of the Intel MID family by not registering device with wrong properties. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20170102092450.87229-1-andriy.shevchenko@linux.intel.comSigned-off-by:
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Ioan-Adrian Ratiu authored
[ Upstream commit 13a6c832 ] Testing EP_FLAG_RUNNING in snd_complete_urb() before running the completion logic allows us to save a few cpu cycles by returning early, skipping the pending urb in case the stream was stopped; the stop logic handles the urb and sets the completion callbacks to NULL. Signed-off-by:
Ioan-Adrian Ratiu <adi@adirat.com> Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Yuriy Kolerov authored
[ Upstream commit e51d5d02 ] It is necessary to call entry/exit functions for parent interrupt controllers for proper masking/unmasking of interrupt lines. Signed-off-by:
Yuriy Kolerov <yuriy.kolerov@synopsys.com> Signed-off-by:
Vineet Gupta <vgupta@synopsys.com> Signed-off-by:
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Sergei Shtylyov authored
[ Upstream commit 71eae1ca ] The RX descriptor word 0 on SH7734 has the RFS[9:0] field in bits 16-25 (bits 0-15 usually used for that are occupied by the packet checksum). Thus we need to set the 'shift_rd0' field in the SH7734 SoC data... Fixes: f0e81fec ("net: sh_eth: Add support SH7734") Signed-off-by:
Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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Caleb Crome authored
[ Upstream commit 4ee437fb ] The fsl_ssi fifo watermark is by default set to 2 free spaces (i.e. activate DMA on FIFO when only 2 spaces are left.) This means the DMA must service the fifo within 2 audio samples, which is just not enough time for many use cases with high data rate. In many configurations the audio channel slips (causing l/r swap in stereo configurations, or channel slipping in multi-channel configurations). This patch gives more breathing room and allows the SSI to operate reliably by changing the fifio refill watermark to 8. There is no change in behavior for older chips (with an 8-deep fifo). Only the newer chips with a 15-deep fifo get the new behavior. I suspect a new fifo depth setting could be optimized on the older chips too, but I have not tested. Signed-off-by:
Caleb Crome <caleb@crome.org> Reviewed-by:
Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by:
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Peter Chen authored
[ Upstream commit 63dfb0da ] The USB core may call reset_resume when it fails to resume asix device. And USB core can recovery this abnormal resume at low level driver, the same .resume at asix driver can work too. Add .reset_resume can avoid disconnecting after backing from system resume, and NFS can still be mounted after this commit. Signed-off-by:
Peter Chen <peter.chen@nxp.com> Signed-off-by:
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Daniel Schultz authored
[ Upstream commit 14ba9728 ] All i.MX6 SoCs have an OCOTP Controller with 4kbit fuses. The i.MX6SL is an exception and has only 2kbit fuses. In the TRM for the i.MX6DQ (IMX6QDRM - Rev 2, 06/2014) the fuses size is described in chapter 46.1.1 with: "32-bit word restricted program and read to 4Kbits of eFuse OTP(512x8)." In the TRM for the i.MX6SL (IMX6SLRM - Rev 2, 06/2015) the fuses size is described in chapter 34.1.1 with: "32-bit word restricted program and read to 2 kbit of eFuse OTP(128x8)." Since the Freescale Linux kernel OCOTP driver works with a fuses size of 2 kbit for the i.MX6SL, it looks like the TRM is wrong and the formula to calculate the correct fuses size has to be 256x8. Signed-off-by:
Daniel Schultz <d.schultz@phytec.de> Signed-off-by:
Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by:
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Mark Rutland authored
[ Upstream commit 6ef4fb38 ] Recent changes made KERN_CONT mandatory for continued lines. In the absence of KERN_CONT, a newline may be implicit inserted by the core printk code. In show_pte, we (erroneously) use printk without KERN_CONT for continued prints, resulting in output being split across a number of lines, and not matching the intended output, e.g. [ff000000000000] *pgd=00000009f511b003 , *pud=00000009f4a80003 , *pmd=0000000000000000 Fix this by using pr_cont() for all the continuations. Acked-by:
Will Deacon <will.deacon@arm.com> Signed-off-by:
Mark Rutland <mark.rutland@arm.com> Signed-off-by:
Catalin Marinas <catalin.marinas@arm.com> Signed-off-by:
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Arvind Yadav authored
[ Upstream commit e19f32da ] Here, pci_iomap can fail, handle this case release selected pci regions and return -ENOMEM. Signed-off-by:
Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by:
Alex Williamson <alex.williamson@redhat.com> Signed-off-by:
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Arvind Yadav authored
[ Upstream commit 4dcd19bf ] Here, If devm_ioremap will fail. It will return NULL. Kernel can run into a NULL-pointer dereference. This error check will avoid NULL pointer dereference. Signed-off-by:
Yoichi Yuasa <yuasa@linux-mips.org> Signed-off-by:
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by:
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Arnaldo Carvalho de Melo authored
[ Upstream commit 7934c98a ] Markus reported that perf segfaults when reading /sys/kernel/notes from a kernel linked with GNU gold, due to what looks like a gold bug, so do some bounds checking to avoid crashing in that case. Reported-by:
Markus Trippelsdorf <markus@trippelsdorf.de> Report-Link: http://lkml.kernel.org/r/20161219161821.GA294@x4 Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-ryhgs6a6jxvz207j2636w31c@git.kernel.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by:
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Arnaldo Carvalho de Melo authored
[ Upstream commit 30a9c644 ] Those are binaries as well, so should be installed by: make -C tools/perf install-bin' too. Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Daniel Bristot de Oliveira <bristot@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/n/tip-3841b37u05evxrs1igkyu6ks@git.kernel.orgSigned-off-by:
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Steffen Klassert authored
commit 4c86d777 upstream. On IPv4-mapped IPv6 addresses sk_family is AF_INET6, but the flow informations are created based on AF_INET. So the routing set up 'struct flowi4' but we try to access 'struct flowi6' what leads to an out of bounds access. Fix this by using the family we get with the dst_entry, like we do it for the standard policy lookup. Reported-by:
Dmitry Vyukov <dvyukov@google.com> Tested-by:
Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by:
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Daniel Bristot de Oliveira authored
[ Upstream commit 07485918 ] Currently, the sched:sched_switch tracepoint reports deadline tasks with priority -1. But when reading the trace via perf script I've got the following output: # ./d & # (d is a deadline task, see [1]) # perf record -e sched:sched_switch -a sleep 1 # perf script ... swapper 0 [000] 2146.962441: sched:sched_switch: swapper/0:0 [120] R ==> d:2593 [4294967295] d 2593 [000] 2146.972472: sched:sched_switch: d:2593 [4294967295] R ==> g:2590 [4294967295] The task d reports the wrong priority [4294967295]. This happens because the "int prio" is stored in an unsigned long long val. Although it is set as a %lld, as int is shorter than unsigned long long, trace_seq_printf prints it as a positive number. The fix is just to cast the val as an int, and print it as a %d, as in the sched:sched_switch tracepoint's "format". The output with the fix is: # ./d & # perf record -e sched:sched_switch -a sleep 1 # perf script ... swapper 0 [000] 4306.374037: sched:sched_switch: swapper/0:0 [120] R ==> d:10941 [-1] d 10941 [000] 4306.383823: sched:sched_switch: d:10941 [-1] R ==> swapper/0:0 [120] [1] d.c --- #include <stdio.h> #include <unistd.h> #include <sys/syscall.h> #include <linux/types.h> #include <linux/sched.h> struct sched_attr { __u32 size, sched_policy; __u64 sched_flags; __s32 sched_nice; __u32 sched_priority; __u64 sched_runtime, sched_deadline, sched_period; }; int sched_setattr(pid_t pid, const struct sched_attr *attr, unsigned int flags) { return syscall(__NR_sched_setattr, pid, attr, flags); } int main(void) { struct sched_attr attr = { .size = sizeof(attr), .sched_policy = SCHED_DEADLINE, /* This creates a 10ms/30ms reservation */ .sched_runtime = 10 * 1000 * 1000, .sched_period = attr.sched_deadline = 30 * 1000 * 1000, }; if (sched_setattr(0, &attr, 0) < 0) { perror("sched_setattr"); return -1; } for(;;); } --- Committer notes: Got the program from the provided URL, http://bristot.me/lkml/d.c, trimmed it and included in the cset log above, so that we have everything needed to test it in one place. Signed-off-by:
Daniel Bristot de Oliveira <bristot@redhat.com> Acked-by:
Steven Rostedt <rostedt@goodmis.org> Tested-by:
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Jiandi An authored
[ Upstream commit 0b47a6bd ] Ensure all reserved fields of xatp are zero before making hypervisor call to XEN in xen_map_device_mmio(). xenmem_add_to_physmap_one() in XEN fails the mapping request if extra.res reserved field in xatp is not zero for XENMAPSPACE_dev_mmio request. Signed-off-by:
Jiandi An <anjiandi@codeaurora.org> Reviewed-by:
Stefano Stabellini <sstabellini@kernel.org> Signed-off-by:
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Liu Bo authored
[ Upstream commit c2931667 ] Currently how btrfs dio deals with split dio write is not good enough if dio write is split into several segments due to the lack of contiguous space, a large dio write like 'dd bs=1G count=1' can end up with incorrect outstanding_extents counter and endio would complain loudly with an assertion. This fixes the problem by compensating the outstanding_extents counter in inode if a large dio write gets split. Reported-by:
Anand Jain <anand.jain@oracle.com> Tested-by:
Liu Bo <bo.li.liu@oracle.com> Signed-off-by:
David Sterba <dsterba@suse.com> Signed-off-by:
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Sabrina Dubroca authored
[ Upstream commit 096de2f8 ] When VXLAN offloading is enabled, be_features_check() tries to check if an encapsulated packet is indeed a VXLAN packet. The check is not strict enough, and considers any UDP-encapsulated ethernet frame with a 8-byte tunnel header as being VXLAN. Unfortunately, both GENEVE and VXLAN-GPE have a 8-byte header, so they get through this check. Force the UDP destination port to be the one that has been offloaded to hardware. Without this, GENEVE-encapsulated packets can end up having an incorrect checksum when both a GENEVE and a VXLAN (offloaded) tunnel are configured. This is similar to commit a547224d ("mlx4e: Do not attempt to offload VXLAN ports that are unrecognized"). Signed-off-by:
Sabrina Dubroca <sd@queasysnail.net> Signed-off-by:
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Liu Bo authored
[ Upstream commit 781feef7 ] While checking INODE_REF/INODE_EXTREF for a corner case, we may acquire a different inode's log_mutex with holding the current inode's log_mutex, and lockdep has complained this with a possilble deadlock warning. Fix this by using mutex_lock_nested() when processing the other inode's log_mutex. Reviewed-by:
Filipe Manana <fdmanana@suse.com> Signed-off-by:
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Liu Bo authored
[ Upstream commit e321f8a8 ] If @block_group is not @used_bg, it'll try to get @used_bg's lock without droping @block_group 's lock and lockdep has throwed a scary deadlock warning about it. Fix it by using down_read_nested. Signed-off-by:
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David Lechner authored
[ Upstream commit 43aef5c2 ] This fixes an error message that was probably copied and pasted. The same message is used for both the in and out endpoints, so it makes it impossible to know which one actually failed because both cases say "IN". Make the out endpoint error message say "OUT". Signed-off-by:
David Lechner <david@lechnology.com> Signed-off-by:
Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by:
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Rafael J. Wysocki authored
[ Upstream commit c2a6bbaf ] The way acpi_find_child_device() works currently is that, if there are two (or more) devices with the same _ADR value in the same namespace scope (which is not specifically allowed by the spec and the OS behavior in that case is not defined), the first one of them found to be present (with the help of _STA) will be returned. This covers the majority of cases, but is not sufficient if some of the devices in question have a _HID (or _CID) returning some valid ACPI/PNP device IDs (which is disallowed by the spec) and the ASL writers' expectation appears to be that the OS will match devices without a valid ACPI/PNP device ID against a given bus address first. To cover this special case as well, modify find_child_checks() to prefer devices without ACPI/PNP device IDs over devices that have them. Suggested-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by:
Hans de Goede <hdegoede@redhat.com> Signed-off-by:
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Krzysztof Kozlowski authored
[ Upstream commit 3ef01c96 ] NF_CT_PROTO_DCCP/SCTP/UDPLITE were switched from tristate to boolean so defconfig needs to be adjusted to silence warnings: warning: symbol value 'm' invalid for NF_CT_PROTO_DCCP warning: symbol value 'm' invalid for NF_CT_PROTO_SCTP warning: symbol value 'm' invalid for NF_CT_PROTO_UDPLITE Signed-off-by:
Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by:
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Masami Hiramatsu authored
[ Upstream commit 1f2ed153 ] Since 'perf probe' supports cross-arch probes, it is possible to analyze different arch kernel image which has different bits-per-long. In that case, it fails to get the module name because it uses the MOD_NAME_OFFSET macro based on the host machine bits-per-long, instead of the target arch bits-per-long. This fixes above issue by changing modname-offset based on the target archs bit width. This is ok because linux kernel uses LP64 model on 64bit arch. E.g. without this (on x86_64, and target module is arm32): $ perf probe -m build-arm/fs/configfs/configfs.ko -D configfs_lookup p:probe/configfs_lookup :configfs_lookup+0 ^-Here is an empty module name. With this fix, you can see correct module name: $ perf probe -m build-arm/fs/configfs/configfs.ko -D configfs_lookup p:probe/configfs_lookup configfs:configfs_lookup+0 Signed-off-by:
Masami Hiramatsu <mhiramat@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/148337043836.6752.383495516397005695.stgit@devboxSigned-off-by:
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Moritz Fischer authored
[ Upstream commit c415f9e8 ] The Zynq Ultrascale MP uses version 1.4 of the Cadence IP core which fixes some silicon bugs that needed software workarounds in Version 1.0 that was used on Zynq systems. Signed-off-by:
Moritz Fischer <mdf@kernel.org> Cc: Michal Simek <michal.simek@xilinx.com> Cc: Sören Brinkmann <soren.brinkmann@xilinx.com> Cc: Rob Herring <robh+dt@kernel.org> Acked-by:
Sören Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by:
Michal Simek <michal.simek@xilinx.com> Signed-off-by:
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Michal Simek authored
[ Upstream commit 4ea2a6be ] The patch removes these warnings reported by dtc 1.4: Warning (unit_address_vs_reg): Node /amba_apu has a reg or ranges property, but no unit name Warning (unit_address_vs_reg): Node /memory has a reg or ranges property, but no unit name Signed-off-by:
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Grygorii Strashko authored
[ Upstream commit 12a7f17f ] Now races can happen between interrupt handler execution and PM runtime in error handling code path in probe and in dwc3_omap_remove() which will lead to system crash: in probe: ... err1: pm_runtime_put_sync(dev); ^^ PM runtime can race with IRQ handler when deferred probing happening due to extcon pm_runtime_disable(dev); return ret; in dwc3_omap_remove: ... dwc3_omap_disable_irqs(omap); ^^ IRQs are disabled in HW, but handler may still run of_platform_depopulate(omap->dev); pm_runtime_put_sync(&pdev->dev); ^^ PM runtime can race with IRQ handler pm_runtime_disable(&pdev->dev); return 0; So, OMAP DWC3 IRQ need to be disabled before calling pm_runtime_put() in probe and in dwc3_omap_remove(). Acked-by:
Tony Lindgren <tony@atomide.com> Signed-off-by:
Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by:
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Christophe JAILLET authored
[ Upstream commit 75bdc7f3 ] Add some missing 'of_node_put()' in early exit error path. Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by:
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Guillaume Nault authored
[ Upstream commit 97b84fd6 ] An L2TP socket bound to the unspecified address should match with any address. If not, it can't receive any packet and __l2tp_ip6_bind_lookup() can't prevent another socket from binding on the same device/tunnel ID. While there, rename the 'addr' variable to 'sk_laddr' (local addr), to make following patch clearer. Signed-off-by:
Guillaume Nault <g.nault@alphalink.fr> Signed-off-by:
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Dave Jiang authored
[ Upstream commit 34a31f0a ] The Skylake ioatdma is technically CBDMA 3.2+ and contains the same hardware bits with some additional 3.3 features, but it's not really 3.3 where the driver is concerned. Signed-off-by:
Dave Jiang <dave.jiang@intel.com> Signed-off-by:
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