- 19 Jun, 2019 40 commits
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Stefan Raspl authored
[ Upstream commit 883d25e7 ] The fields filter would not work with child fields, as the respective parents would not be included. No parents displayed == no childs displayed. To reproduce, run on s390 (would work on other platforms, too, but would require a different filter name): - Run 'kvm_stat -d' - Press 'f' - Enter 'instruct' Notice that events like instruction_diag_44 or instruction_diag_500 are not displayed - the output remains empty. With this patch, we will filter by matching events and their parents. However, consider the following example where we filter by instruction_diag_44: kvm statistics - summary regex filter: instruction_diag_44 Event Total %Total CurAvg/s exit_instruction 276 100.0 12 instruction_diag_44 256 92.8 11 Total 276 12 Note that the parent ('exit_instruction') displays the total events, but the childs listed do not match its total (256 instead of 276). This is intended (since we're filtering all but one child), but might be confusing on first sight. Signed-off-by:
Stefan Raspl <raspl@linux.ibm.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com> Signed-off-by:
Sasha Levin <sashal@kernel.org>
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Andrew Jones authored
[ Upstream commit 55eda003 ] VM_MODE_P52V48_4K is not a valid mode for AArch64. Replace its use in vm_create_default() with a mode that works and represents a good AArch64 default. (We didn't ever see a problem with this because we don't have any unit tests using vm_create_default(), but it's good to get it fixed in advance.) Reported-by:
Thomas Huth <thuth@redhat.com> Signed-off-by:
Andrew Jones <drjones@redhat.com> Signed-off-by:
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Andrew Jones authored
[ Upstream commit bffed38d ] The memory slot size must be aligned to the host's page size. When testing a guest with a 4k page size on a host with a 64k page size, then 3 guest pages are not host page size aligned. Since we just need a nearly arbitrary number of extra pages to ensure the memslot is not aligned to a 64 host-page boundary for this test, then we can use 16, as that's 64k aligned, but not 64 * 64k aligned. Fixes: 76d58e0f ("KVM: fix KVM_CLEAR_DIRTY_LOG for memory slots of unaligned size", 2019-04-17) Signed-off-by:
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Christian Borntraeger authored
[ Upstream commit 19ec166c ] kselftests exposed a problem in the s390 handling for memory slots. Right now we only do proper memory slot handling for creation of new memory slots. Neither MOVE, nor DELETION are handled properly. Let us implement those. Signed-off-by:
Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by:
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Paolo Bonzini authored
[ Upstream commit 2924b521 ] According to the SDM, for MSR_IA32_PERFCTR0/1 "the lower-order 32 bits of each MSR may be written with any value, and the high-order 8 bits are sign-extended according to the value of bit 31", but the fixed counters in real hardware are limited to the width of the fixed counters ("bits beyond the width of the fixed-function counter are reserved and must be written as zeros"). Fix KVM to do the same. Reported-by:
Nadav Amit <nadav.amit@gmail.com> Signed-off-by:
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Paolo Bonzini authored
[ Upstream commit 0e6f467e ] This patch will simplify the changes in the next, by enforcing the masking of the counters to RDPMC and RDMSR. Signed-off-by:
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Paolo Bonzini authored
[ Upstream commit 6f2f8453 ] Userspace can easily set up invalid processor state in such a way that dmesg will be filled with VMCS or VMCB dumps. Disable this by default using a module parameter. Signed-off-by:
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Wanpeng Li authored
[ Upstream commit 0e6edceb ] After commit c3941d9e (KVM: lapic: Allow user to disable adaptive tuning of timer advancement), '-1' enables adaptive tuning starting from default advancment of 1000ns. However, we should expose an int instead of an overflow uint module parameter. Before patch: /sys/module/kvm/parameters/lapic_timer_advance_ns:4294967295 After patch: /sys/module/kvm/parameters/lapic_timer_advance_ns:-1 Fixes: c3941d9e (KVM: lapic: Allow user to disable adaptive tuning of timer advancement) Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Cc: Sean Christopherson <sean.j.christopherson@intel.com> Cc: Liran Alon <liran.alon@oracle.com> Reviewed-by:
Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by:
Wanpeng Li <wanpengli@tencent.com> Signed-off-by:
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Yi Wang authored
[ Upstream commit 4d259965 ] We get a warning when build kernel W=1: arch/x86/kvm/vmx/vmx.c:6365:6: warning: no previous prototype for ‘vmx_update_host_rsp’ [-Wmissing-prototypes] void vmx_update_host_rsp(struct vcpu_vmx *vmx, unsigned long host_rsp) Add the missing declaration to fix this. Signed-off-by:
Yi Wang <wang.yi59@zte.com.cn> Signed-off-by:
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Dan Carpenter authored
[ Upstream commit be7fcf1d ] The code is trying to check that all the padding is zeroed out and it does this: entry->padding[0] == entry->padding[1] == entry->padding[2] == 0 Assume everything is zeroed correctly, then the first comparison is true, the next comparison is false and false is equal to zero so the overall condition is true. This bug doesn't affect run time very badly, but the code should instead just check that all three paddings are zero individually. Also the error message was copy and pasted from an earlier error and it wasn't correct. Fixes: 7edcb734 ("KVM: selftests: Add hyperv_cpuid test") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:
Vitaly Kuznetsov <vkuznets@redhat.com> Reviewed-by:
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Paolo Bonzini authored
[ Upstream commit db80927e ] The offset for reading the shadow VMCS is sizeof(*kvm_state)+VMCS12_SIZE, so the correct size must be that plus sizeof(*vmcs12). This could lead to KVM reading garbage data from userspace and not reporting an error, but is otherwise not sensitive. Signed-off-by:
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James Morse authored
[ Upstream commit 623e1528 ] KVM has helpers to handle the condition codes of trapped aarch32 instructions. These are marked __hyp_text and used from HYP, but they aren't built by the 'hyp' Makefile, which has all the runes to avoid ASAN and KCOV instrumentation. Move this code to a new hyp/aarch32.c to avoid a hyp-panic when starting an aarch32 guest on a host built with the ASAN/KCOV debug options. Fixes: 021234ef ("KVM: arm64: Make kvm_condition_valid32() accessible from EL2") Fixes: 8cebe750 ("arm64: KVM: Make kvm_skip_instr32 available to HYP") Signed-off-by:
James Morse <james.morse@arm.com> Signed-off-by:
Marc Zyngier <marc.zyngier@arm.com> Signed-off-by:
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Jens Axboe authored
[ Upstream commit 486f0692 ] Currently fails with: io_uring-bench.o: In function `main': /home/axboe/git/linux-block/tools/io_uring/io_uring-bench.c:560: undefined reference to `pthread_create' /home/axboe/git/linux-block/tools/io_uring/io_uring-bench.c:588: undefined reference to `pthread_join' collect2: error: ld returned 1 exit status Makefile:11: recipe for target 'io_uring-bench' failed make: *** [io_uring-bench] Error 1 Move -lpthread to the end. Signed-off-by:
Jens Axboe <axboe@kernel.dk> Signed-off-by:
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Keith Busch authored
[ Upstream commit cb9e0e50 ] If a device is providing a single IRQ vector, the IO queue will share that vector with the admin queue. This is an unmanaged vector, so does not have a valid PCI IRQ affinity. Avoid trying to extract a managed affinity in this case and let blk-mq set up the cpu:queue mapping instead. Otherwise we'd hit the following warning when the device is using MSI: WARNING: CPU: 4 PID: 7 at drivers/pci/msi.c:1272 pci_irq_get_affinity+0x66/0x80 Modules linked in: nvme nvme_core serio_raw CPU: 4 PID: 7 Comm: kworker/u16:0 Tainted: G W 5.2.0-rc1+ #494 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014 Workqueue: nvme-reset-wq nvme_reset_work [nvme] RIP: 0010:pci_irq_get_affinity+0x66/0x80 Code: 0b 31 c0 c3 83 e2 10 48 c7 c0 b0 83 35 91 74 2a 48 8b 87 d8 03 00 00 48 85 c0 74 0e 48 8b 50 30 48 85 d2 74 05 39 70 14 77 05 <0f> 0b 31 c0 c3 48 63 f6 48 8d 04 76 48 8d 04 c2 f3 c3 48 8b 40 30 RSP: 0000:ffffb5abc01d3cc8 EFLAGS: 00010246 RAX: ffff9536786a39c0 RBX: 0000000000000000 RCX: 0000000000000080 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9536781ed000 RBP: ffff95367346a008 R08: ffff95367d43f080 R09: ffff953678c07800 R10: ffff953678164800 R11: 0000000000000000 R12: 0000000000000000 R13: ffff9536781ed000 R14: 00000000ffffffff R15: ffff95367346a008 FS: 0000000000000000(0000) GS:ffff95367d400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdf814a3ff0 CR3: 000000001a20f000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: blk_mq_pci_map_queues+0x37/0xd0 nvme_pci_map_queues+0x80/0xb0 [nvme] blk_mq_alloc_tag_set+0x133/0x2f0 nvme_reset_work+0x105d/0x1590 [nvme] process_one_work+0x291/0x530 worker_thread+0x218/0x3d0 ? process_one_work+0x530/0x530 kthread+0x111/0x130 ? kthread_park+0x90/0x90 ret_from_fork+0x1f/0x30 ---[ end trace 74587339d93c83c0 ]--- Fixes: 22b55601 ("nvme-pci: Separate IO and admin queue IRQ vectors") Reported-by:
Iván Chavero <ichavero@chavero.com.mx> Reviewed-by:
Ming Lei <ming.lei@redhat.com> Signed-off-by:
Keith Busch <keith.busch@intel.com> Signed-off-by:
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Bernd Eckstein authored
[ Upstream commit 94d250fa ] Fix a racing condition in ipheth.c that can lead to slow performance. Bug: In ipheth_tx(), netif_wake_queue() may be called on the callback ipheth_sndbulk_callback(), _before_ netif_stop_queue() is called. When this happens, the queue is stopped longer than it needs to be, thus reducing network performance. Fix: Move netif_stop_queue() in front of usb_submit_urb(). Now the order is always correct. In case, usb_submit_urb() fails, the queue is woken up again as callback will not fire. Testing: This racing condition is usually not noticeable, as it has to occur very frequently to slowdown the network. The callback from the USB is usually triggered slow enough, so the situation does not appear. However, on a Ubuntu Linux on VMWare Workstation, running on Windows 10, the we loose the race quite often and the following speedup can be noticed: Without this patch: Download: 4.10 Mbit/s, Upload: 4.01 Mbit/s With this patch: Download: 36.23 Mbit/s, Upload: 17.61 Mbit/s Signed-off-by:
Oliver Zweigle <Oliver.Zweigle@faro.com> Signed-off-by:
Bernd Eckstein <3ernd.Eckstein@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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Tom Zanussi authored
[ Upstream commit 55267c88 ] hist_field_var_ref() is an implementation of hist_field_fn_t(), which can be called with a null tracing_map_elt elt param when assembling a key in event_hist_trigger(). In the case of hist_field_var_ref() this doesn't make sense, because a variable can only be resolved by looking it up using an already assembled key i.e. a variable can't be used to assemble a key since the key is required in order to access the variable. Upper layers should prevent the user from constructing a key using a variable in the first place, but in case one slips through, it shouldn't cause a NULL pointer dereference. Also if one does slip through, we want to know about it, so emit a one-time warning in that case. Link: http://lkml.kernel.org/r/64ec8dc15c14d305295b64cdfcc6b2b9dd14753f.1555597045.git.tom.zanussi@linux.intel.comReported-by:
Vincent Bernat <vincent@bernat.ch> Signed-off-by:
Tom Zanussi <tom.zanussi@linux.intel.com> Signed-off-by:
Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by:
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Kees Cook authored
[ Upstream commit fe483192 ] When running under a pipe, some timer tests would not report output in real-time because stdout flushes were missing after printf()s that lacked a newline. This adds them to restore real-time status output that humans can enjoy. Signed-off-by:
Kees Cook <keescook@chromium.org> Signed-off-by:
Shuah Khan <skhan@linuxfoundation.org> Signed-off-by:
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Hangbin Liu authored
[ Upstream commit fc82d93e ] The IPv4 testing address are all in 192.51.100.0 subnet. It doesn't make sense to set a 198.51.100.1 local address. Should be a typo. Fixes: 65b2b493 ("selftests: net: initial fib rule tests") Signed-off-by:
Hangbin Liu <liuhangbin@gmail.com> Reviewed-by:
David Ahern <dsahern@gmail.com> Signed-off-by:
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Qian Cai authored
[ Upstream commit c01dafad ] Several places (dimm_devs.c, core.c etc) include label.h but only label.c uses NSINDEX_SIGNATURE, so move its definition to label.c instead. In file included from drivers/nvdimm/dimm_devs.c:23: drivers/nvdimm/label.h:41:19: warning: 'NSINDEX_SIGNATURE' defined but not used [-Wunused-const-variable=] Also, some places abuse "/**" which is only reserved for the kernel-doc. drivers/nvdimm/bus.c:648: warning: cannot understand function prototype: 'struct attribute_group nd_device_attribute_group = ' drivers/nvdimm/bus.c:677: warning: cannot understand function prototype: 'struct attribute_group nd_numa_attribute_group = ' Those are just some member assignments for the "struct attribute_group" instances and it can't be expressed in the kernel-doc. Reviewed-by:
Vishal Verma <vishal.l.verma@intel.com> Signed-off-by:
Qian Cai <cai@lca.pw> Signed-off-by:
Dan Williams <dan.j.williams@intel.com> Signed-off-by:
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Flora Cui authored
[ Upstream commit 37910935 ] otherwise screen corrupts during modprobe. Signed-off-by:
Flora Cui <flora.cui@amd.com> Reviewed-by:
Feifei Xu <Feifei.Xu@amd.com> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Signed-off-by:
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Colin Ian King authored
[ Upstream commit d0c0d902 ] Currently an int is being shifted and the result is being cast to a u64 which leads to undefined behaviour if the shift is more than 31 bits. Fix this by casting the integer value 1 to u64 before the shift operation. Addresses-Coverity: ("Bad shift operation") Fixes: 7b594769 ("[SCSI] bnx2fc: Handle REC_TOV error code from firmware") Signed-off-by:
Colin Ian King <colin.king@canonical.com> Acked-by:
Saurav Kashyap <skashyap@marvell.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by:
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YueHaibing authored
[ Upstream commit 41552199 ] drivers/scsi/myrs.c: In function 'myrs_log_event': drivers/scsi/myrs.c:821:24: warning: 'sshdr.sense_key' may be used uninitialized in this function [-Wmaybe-uninitialized] struct scsi_sense_hdr sshdr; If ev->ev_code is not 0x1C, sshdr.sense_key may be used uninitialized. Fix this by initializing variable 'sshdr' to 0. Fixes: 77266186 ("scsi: myrs: Add Mylex RAID controller (SCSI interface)") Signed-off-by:
YueHaibing <yuehaibing@huawei.com> Reviewed-by:
Hannes Reinecke <hare@suse.com> Signed-off-by:
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Steffen Dirkwinkel authored
[ Upstream commit d6423bd0 ] There are several Beckhoff Automation industrial PC boards which use pmc_plt_clk* clocks for ethernet controllers. This adds affected boards to critclk_systems DMI table so the clocks are marked as CLK_CRITICAL and not turned off. Fixes: 648e9218 ("clk: x86: Stop marking clocks as CLK_IS_CRITICAL") Signed-off-by:
Steffen Dirkwinkel <s.dirkwinkel@beckhoff.com> Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
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Hans de Goede authored
[ Upstream commit 3d0818f5 ] The Lex 3I380D industrial PC has 4 ethernet controllers on board which need pmc_plt_clk0 - 3 to function, add it to the critclk_systems DMI table, so that drivers/clk/x86/clk-pmc-atom.c will mark the clocks as CLK_CRITICAL and they will not get turned off. Fixes: 648e9218 ("clk: x86: Stop marking clocks as CLK_IS_CRITICAL") Reported-and-tested-by:
Semyon Verchenko <semverchenko@factor-ts.ru> Signed-off-by:
Hans de Goede <hdegoede@redhat.com> Acked-by:
Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by:
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Yufen Yu authored
[ Upstream commit 510a405d ] Unconditionally hide device pm latency tolerance when uninitializing the controller to ensure all qos resources are released so that we're not leaking this memory. This is safe to call if none were allocated in the first place, or were previously freed. Fixes: c5552fde("nvme: Enable autonomous power state transitions") Suggested-by:
David Milburn <dmilburn@redhat.com> Signed-off-by:
Yufen Yu <yuyufen@huawei.com> [changelog] Signed-off-by:
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Christoph Hellwig authored
[ Upstream commit 5fb4aac7 ] Holding the SRCU critical section protecting the namespace list can cause deadlocks when using the per-namespace admin passthrough ioctl to delete as namespace. Release it earlier when performing per-controller ioctls to avoid that. Reported-by:
Kenneth Heitke <kenneth.heitke@intel.com> Reviewed-by:
Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Reviewed-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
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Christoph Hellwig authored
[ Upstream commit 90ec611a ] Merge the two functions to make future changes a little easier. Signed-off-by:
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Christoph Hellwig authored
[ Upstream commit 3f98bcc5 ] We already have a proper stub if lightnvm is not enabled, so don't bother with the ifdef. Signed-off-by:
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Christoph Hellwig authored
[ Upstream commit 100c815c ] If we can't get a namespace don't leak the SRCU lock. nvme_ioctl was working around this, but nvme_pr_command wasn't handling this properly. Just do what callers would usually expect. Signed-off-by:
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Keith Busch authored
[ Upstream commit e43269e6 ] If a controller disabling didn't start a freeze, don't wait for the operation to complete. Reviewed-by:
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Alexei Starovoitov authored
[ Upstream commit 7ed4b4e6 ] Fix bpf_get_current_task() declaration. Signed-off-by:
Alexei Starovoitov <ast@kernel.org> Acked-by:
Andrii Nakryiko <andriin@fb.com> Signed-off-by:
Daniel Borkmann <daniel@iogearbox.net> Signed-off-by:
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Yonghong Song authored
[ Upstream commit ac4e0e05 ] For a host which has a lower rlimit for max locked memory (e.g., 64KB), the following error occurs in one of our production systems: # /usr/sbin/bpftool prog load /paragon/pods/52877437/home/mark.o \ /sys/fs/bpf/paragon_mark_21 type cgroup/skb \ map idx 0 pinned /sys/fs/bpf/paragon_map_21 libbpf: Error in bpf_object__probe_name():Operation not permitted(1). Couldn't load basic 'r0 = 0' BPF program. Error: failed to open object file The reason is due to low locked memory during bpf_object__probe_name() which probes whether program name is supported in kernel or not during __bpf_object__open_xattr(). bpftool program load already tries to relax mlock rlimit before bpf_object__load(). Let us move set_max_rlimit() before __bpf_object__open_xattr(), which fixed the issue here. Fixes: 47eff617 ("bpf, libbpf: introduce bpf_object__probe_caps to test BPF capabilities") Signed-off-by:
Yonghong Song <yhs@fb.com> Signed-off-by:
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Mark Rutland authored
[ Upstream commit 7ba36ecc ] The arm64 ptdump code can race with concurrent modification of the kernel page tables. At the time this was added, this was sound as: * Modifications to leaf entries could result in stale information being logged, but would not result in a functional problem. * Boot time modifications to non-leaf entries (e.g. freeing of initmem) were performed when the ptdump code cannot be invoked. * At runtime, modifications to non-leaf entries only occurred in the vmalloc region, and these were strictly additive, as intermediate entries were never freed. However, since commit: commit 324420bf ("arm64: add support for ioremap() block mappings") ... it has been possible to create huge mappings in the vmalloc area at runtime, and as part of this existing intermediate levels of table my be removed and freed. It's possible for the ptdump code to race with this, and continue to walk tables which have been freed (and potentially poisoned or reallocated). As a result of this, the ptdump code may dereference bogus addresses, which could be fatal. Since huge-vmap is a TLB and memory optimization, we can disable it when the runtime ptdump code is in use to avoid this problem. Cc: Catalin Marinas <catalin.marinas@arm.com> Fixes: 324420bf ("arm64: add support for ioremap() block mappings") Acked-by:
Ard Biesheuvel <ard.biesheuvel@arm.com> Signed-off-by:
Mark Rutland <mark.rutland@arm.com> Signed-off-by:
Anshuman Khandual <anshuman.khandual@arm.com> Signed-off-by:
Will Deacon <will.deacon@arm.com> Signed-off-by:
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John Fastabend authored
[ Upstream commit 5fa2ca7c ] The tcp_bpf_wait_data() routine needs to check timeo != 0 before calling sk_wait_event() otherwise we may see unexpected stalls on receiver. Arika did all the leg work here I just formatted, posted and ran a few tests. Fixes: 604326b4 ("bpf, sockmap: convert to generic sk_msg interface") Reported-by:
Arika Chen <eaglesora@gmail.com> Suggested-by:
John Fastabend <john.fastabend@gmail.com> Signed-off-by:
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Claudiu Manoil authored
[ Upstream commit f4a0be84 ] For the unlikely case of TxBD extensions (i.e. ptp) the driver tries to unmap the tx_swbd corresponding to the extension, which is bogus as it has no buffer attached. Signed-off-by:
Claudiu Manoil <claudiu.manoil@nxp.com> Signed-off-by:
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Luca Ceresoli authored
[ Upstream commit f413cbb3 ] Errors are negative numbers. Using %u shows them as very large positive numbers such as 4294967277 that don't make sense. Use the %d format instead, and get a much nicer -19. Signed-off-by:
Luca Ceresoli <luca@lucaceresoli.net> Fixes: b48e0bab ("net: macb: Migrate to devm clock interface") Fixes: 93b31f48 ("net/macb: unify clock management") Fixes: 421d9df0 ("net/macb: merge at91_ether driver into macb driver") Fixes: aead88bd ("net: ethernet: macb: Add support for rx_clk") Fixes: f5473d1d ("net: macb: Support clock management for tsu_clk") Acked-by:
Nicolas Ferre <nicolas.ferre@microchip.com> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Signed-off-by:
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Will Deacon authored
[ Upstream commit 48caebf7 ] When dumping the page table in response to an unexpected kernel page fault, we print the virtual (hashed) address of the page table base, but display physical addresses for everything else. Make the page table dumping code in show_pte() consistent, by printing the page table base pointer as a physical address. Reported-by:
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James Smart authored
[ Upstream commit c8cb261a ] There was a missing qualification of a valid ndlp structure when calling to send an RRQ for an abort. Add the check. Signed-off-by:
Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by:
James Smart <jsmart2021@gmail.com> Tested-by:
Bart Van Assche <bvanassche@acm.org> Signed-off-by:
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James Smart authored
[ Upstream commit 79080d34 ] Many of the exit cases were not releasing the rcu read lock. Corrected the exit paths. Signed-off-by:
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James Smart authored
[ Upstream commit e2a8be56 ] There were a number of erroneous comments and incorrect older lockdep checks that were causing a number of warnings. Resolve the following: - Inconsistent lock state warnings in lpfc_nvme_info_show(). - Fixed comments and code on sequences where ring lock is now held instead of hbalock. - Reworked calling sequences around lpfc_sli_iocbq_lookup(). Rather than locking prior to the routine and have routine guess on what lock, take the lock within the routine. The lockdep check becomes unnecessary. - Fixed comments and removed erroneous hbalock checks. Signed-off-by:
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