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Update sof_es8336.c #24
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yangxiaohua2009
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Update sof_es8336.c #24
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Add missing dmic_num mention and clarify that 'links' mean 'SoundWire links', not to be used for other links. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
The platform driver may have information on which I2S/TDM link(s) to enable in the machine driver. In the case of Intel devices, this may be extracted from NHLT tables in platform firmware. This link information is necessary to make sure machine driver and topology are aligned. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
We currently extract the DMIC number only for HDaudio or SoundWire platforms. For I2S/TDM platforms, this wasn't necessary until now, but with devices with ES8336 we need to find a solution to detect dmics more reliably than with a DMI quirk. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
The NHLT information can be used to figure out which SSPs are enabled in a platform. The 'SSP' link type is too broad for machine drivers, since it can cover the Bluetooth sideband and the analog audio codec connections, so this helper exposes a parameter to filter with the device type (DEVICE_I2S refers to analog audio codec in NHLT parlance). The helper returns a mask, since more than one SSP may be used for analog audio, e.g. the NHLT spec describes the use of SSP0 for amplifiers and SSP1 for headset codec. Note that if more than one bit is set, it's impossible to determine which SSP is connected to what external component. Additional platform-specific information based on e.g. DMI quirks would still be required in the machine driver to configure the relevant dailinks. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
For devices designed for Windows, the SSP information should be listed in the NHLT, and when present can be used to set quirks automatically in the machine driver. The NHLT information exposes BT and analog audio connections separately, for now we are only interested in the analog audio parts. The use of dev_info() for the SSP mask is intentional so that we can immediately flag devices with an ES8336 codec. Since NHLT is not used for recent Chromebooks these messages should be rare. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
This should help remove the need for additional quirks to determine DMIC and SSP connections. However we have no means to determine which GPIO might be used, in that case a DMI quirk or kernel parameter quirk_override will be required. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Fix the issue that quirk always use SSP2
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During stress test with attaching and detaching VF from KVM and simultaneously changing VFs spoofcheck and trust there was a call trace in ice_reset_vf that VF's VSI is null. [145237.352797] WARNING: CPU: 46 PID: 840629 at drivers/net/ethernet/intel/ice/ice_vf_lib.c:508 ice_reset_vf+0x3d6/0x410 [ice] [145237.352851] Modules linked in: ice(E) vfio_pci vfio_pci_core vfio_virqfd vfio_iommu_type1 vfio iavf dm_mod xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 nft_compat nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables nfnetlink tun bridge stp llc sunrpc intel_rapl_msr intel_rapl_common sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm iTCO_wdt iTC O_vendor_support irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel rapl ipmi_si intel_cstate ipmi_devintf joydev intel_uncore m ei_me ipmi_msghandler i2c_i801 pcspkr mei lpc_ich ioatdma i2c_smbus acpi_pad acpi_power_meter ip_tables xfs libcrc32c i2c_algo_bit drm_sh mem_helper drm_kms_helper sd_mod t10_pi crc64_rocksoft syscopyarea crc64 sysfillrect sg sysimgblt fb_sys_fops drm i40e ixgbe ahci libahci libata crc32c_intel mdio dca wmi fuse [last unloaded: ice] [145237.352917] CPU: 46 PID: 840629 Comm: kworker/46:2 Tainted: G S W I E 5.19.0-rc6+ #24 [145237.352921] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS SE5C610.86B.01.01.0008.021120151325 02/11/2015 [145237.352923] Workqueue: ice ice_service_task [ice] [145237.352948] RIP: 0010:ice_reset_vf+0x3d6/0x410 [ice] [145237.352984] Code: 30 ec f3 cc e9 28 fd ff ff 0f b7 4b 50 48 c7 c2 48 19 9c c0 4c 89 ee 48 c7 c7 30 fe 9e c0 e8 d1 21 9d cc 31 c0 e9 a 9 fe ff ff <0f> 0b b8 ea ff ff ff e9 c1 fc ff ff 0f 0b b8 fb ff ff ff e9 91 fe [145237.352987] RSP: 0018:ffffb453e257fdb8 EFLAGS: 00010246 [145237.352990] RAX: ffff8bd0040181c0 RBX: ffff8be68db8f800 RCX: 0000000000000000 [145237.352991] RDX: 000000000000ffff RSI: 0000000000000000 RDI: ffff8be68db8f800 [145237.352993] RBP: ffff8bd0040181c0 R08: 0000000000001000 R09: ffff8bcfd520e000 [145237.352995] R10: 0000000000000000 R11: 00008417b5ab0bc0 R12: 0000000000000005 [145237.352996] R13: ffff8bcee061c0d0 R14: ffff8bd004019640 R15: 0000000000000000 [145237.352998] FS: 0000000000000000(0000) GS:ffff8be5dfb00000(0000) knlGS:0000000000000000 [145237.353000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [145237.353002] CR2: 00007fd81f651d68 CR3: 0000001a0fe10001 CR4: 00000000001726e0 [145237.353003] Call Trace: [145237.353008] <TASK> [145237.353011] ice_process_vflr_event+0x8d/0xb0 [ice] [145237.353049] ice_service_task+0x79f/0xef0 [ice] [145237.353074] process_one_work+0x1c8/0x390 [145237.353081] ? process_one_work+0x390/0x390 [145237.353084] worker_thread+0x30/0x360 [145237.353087] ? process_one_work+0x390/0x390 [145237.353090] kthread+0xe8/0x110 [145237.353094] ? kthread_complete_and_exit+0x20/0x20 [145237.353097] ret_from_fork+0x22/0x30 [145237.353103] </TASK> Remove WARN_ON() from check if VSI is null in ice_reset_vf. Add "VF is already removed\n" in dev_dbg(). This WARN_ON() is unnecessary and causes call trace, despite that call trace, driver still works. There is no need for this warn because this piece of code is responsible for disabling VF's Tx/Rx queues when VF is disabled, but when VF is already removed there is no need to do reset or disable queues. Fixes: efe4186 ("ice: Fix memory corruption in VF driver") Signed-off-by: Michal Jaron <michalx.jaron@intel.com> Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com> Tested-by: Marek Szlosek <marek.szlosek@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Sep 19, 2022
When we try to transmit an skb with metadata_dst attached (i.e. dst->dev == NULL) through xfrm interface we can hit a null pointer dereference[1] in xfrmi_xmit2() -> xfrm_lookup_with_ifid() due to the check for a loopback skb device when there's no policy which dereferences dst->dev unconditionally. Not having dst->dev can be interepreted as it not being a loopback device, so just add a check for a null dst_orig->dev. With this fix xfrm interface's Tx error counters go up as usual. [1] net-next calltrace captured via netconsole: BUG: kernel NULL pointer dereference, address: 00000000000000c0 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 7231 Comm: ping Kdump: loaded Not tainted 5.19.0+ #24 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-1.fc36 04/01/2014 RIP: 0010:xfrm_lookup_with_ifid+0x5eb/0xa60 Code: 8d 74 24 38 e8 26 a4 37 00 48 89 c1 e9 12 fc ff ff 49 63 ed 41 83 fd be 0f 85 be 01 00 00 41 be ff ff ff ff 45 31 ed 48 8b 03 <f6> 80 c0 00 00 00 08 75 0f 41 80 bc 24 19 0d 00 00 01 0f 84 1e 02 RSP: 0018:ffffb0db82c679f0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffd0db7fcad430 RCX: ffffb0db82c67a10 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffb0db82c67a80 RBP: ffffb0db82c67a80 R08: ffffb0db82c67a14 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8fa449667dc8 R12: ffffffff966db880 R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000 FS: 00007ff35c83f000(0000) GS:ffff8fa478480000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000c0 CR3: 000000001ebb7000 CR4: 0000000000350ee0 Call Trace: <TASK> xfrmi_xmit+0xde/0x460 ? tcf_bpf_act+0x13d/0x2a0 dev_hard_start_xmit+0x72/0x1e0 __dev_queue_xmit+0x251/0xd30 ip_finish_output2+0x140/0x550 ip_push_pending_frames+0x56/0x80 raw_sendmsg+0x663/0x10a0 ? try_charge_memcg+0x3fd/0x7a0 ? __mod_memcg_lruvec_state+0x93/0x110 ? sock_sendmsg+0x30/0x40 sock_sendmsg+0x30/0x40 __sys_sendto+0xeb/0x130 ? handle_mm_fault+0xae/0x280 ? do_user_addr_fault+0x1e7/0x680 ? kvm_read_and_reset_apf_flags+0x3b/0x50 __x64_sys_sendto+0x20/0x30 do_syscall_64+0x34/0x80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7ff35cac1366 Code: eb 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 72 c3 90 55 48 83 ec 30 44 89 4c 24 2c 4c 89 RSP: 002b:00007fff738e4028 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fff738e57b0 RCX: 00007ff35cac1366 RDX: 0000000000000040 RSI: 0000557164e4b450 RDI: 0000000000000003 RBP: 0000557164e4b450 R08: 00007fff738e7a2c R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000040 R13: 00007fff738e5770 R14: 00007fff738e4030 R15: 0000001d00000001 </TASK> Modules linked in: netconsole veth br_netfilter bridge bonding virtio_net [last unloaded: netconsole] CR2: 00000000000000c0 CC: Steffen Klassert <steffen.klassert@secunet.com> CC: Daniel Borkmann <daniel@iogearbox.net> Fixes: 2d151d3 ("xfrm: Add possibility to set the default to block if we have no policy") Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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Jun 16, 2023
The cited commit adds a compeletion to remove dependency on rtnl lock. But it causes a deadlock for multiple encapsulations: crash> bt ffff8aece8a64000 PID: 1514557 TASK: ffff8aece8a64000 CPU: 3 COMMAND: "tc" #0 [ffffa6d14183f368] __schedule at ffffffffb8ba7f45 #1 [ffffa6d14183f3f8] schedule at ffffffffb8ba8418 #2 [ffffa6d14183f418] schedule_preempt_disabled at ffffffffb8ba8898 #3 [ffffa6d14183f428] __mutex_lock at ffffffffb8baa7f8 #4 [ffffa6d14183f4d0] mutex_lock_nested at ffffffffb8baabeb #5 [ffffa6d14183f4e0] mlx5e_attach_encap at ffffffffc0f48c17 [mlx5_core] #6 [ffffa6d14183f628] mlx5e_tc_add_fdb_flow at ffffffffc0f39680 [mlx5_core] #7 [ffffa6d14183f688] __mlx5e_add_fdb_flow at ffffffffc0f3b636 [mlx5_core] #8 [ffffa6d14183f6f0] mlx5e_tc_add_flow at ffffffffc0f3bcdf [mlx5_core] #9 [ffffa6d14183f728] mlx5e_configure_flower at ffffffffc0f3c1d1 [mlx5_core] #10 [ffffa6d14183f790] mlx5e_rep_setup_tc_cls_flower at ffffffffc0f3d529 [mlx5_core] #11 [ffffa6d14183f7a0] mlx5e_rep_setup_tc_cb at ffffffffc0f3d714 [mlx5_core] #12 [ffffa6d14183f7b0] tc_setup_cb_add at ffffffffb8931bb8 #13 [ffffa6d14183f810] fl_hw_replace_filter at ffffffffc0dae901 [cls_flower] #14 [ffffa6d14183f8d8] fl_change at ffffffffc0db5c57 [cls_flower] #15 [ffffa6d14183f970] tc_new_tfilter at ffffffffb8936047 #16 [ffffa6d14183fac8] rtnetlink_rcv_msg at ffffffffb88c7c31 #17 [ffffa6d14183fb50] netlink_rcv_skb at ffffffffb8942853 #18 [ffffa6d14183fbc0] rtnetlink_rcv at ffffffffb88c1835 #19 [ffffa6d14183fbd0] netlink_unicast at ffffffffb8941f27 #20 [ffffa6d14183fc18] netlink_sendmsg at ffffffffb8942245 #21 [ffffa6d14183fc98] sock_sendmsg at ffffffffb887d482 #22 [ffffa6d14183fcb8] ____sys_sendmsg at ffffffffb887d81a #23 [ffffa6d14183fd38] ___sys_sendmsg at ffffffffb88806e2 #24 [ffffa6d14183fe90] __sys_sendmsg at ffffffffb88807a2 #25 [ffffa6d14183ff28] __x64_sys_sendmsg at ffffffffb888080f #26 [ffffa6d14183ff38] do_syscall_64 at ffffffffb8b9b6a8 #27 [ffffa6d14183ff50] entry_SYSCALL_64_after_hwframe at ffffffffb8c0007c crash> bt 0xffff8aeb07544000 PID: 1110766 TASK: ffff8aeb07544000 CPU: 0 COMMAND: "kworker/u20:9" #0 [ffffa6d14e6b7bd8] __schedule at ffffffffb8ba7f45 #1 [ffffa6d14e6b7c68] schedule at ffffffffb8ba8418 #2 [ffffa6d14e6b7c88] schedule_timeout at ffffffffb8baef88 #3 [ffffa6d14e6b7d10] wait_for_completion at ffffffffb8ba968b #4 [ffffa6d14e6b7d60] mlx5e_take_all_encap_flows at ffffffffc0f47ec4 [mlx5_core] #5 [ffffa6d14e6b7da0] mlx5e_rep_update_flows at ffffffffc0f3e734 [mlx5_core] #6 [ffffa6d14e6b7df8] mlx5e_rep_neigh_update at ffffffffc0f400bb [mlx5_core] #7 [ffffa6d14e6b7e50] process_one_work at ffffffffb80acc9c #8 [ffffa6d14e6b7ed0] worker_thread at ffffffffb80ad012 #9 [ffffa6d14e6b7f10] kthread at ffffffffb80b615d #10 [ffffa6d14e6b7f50] ret_from_fork at ffffffffb8001b2f After the first encap is attached, flow will be added to encap entry's flows list. If neigh update is running at this time, the following encaps of the flow can't hold the encap_tbl_lock and sleep. If neigh update thread is waiting for that flow's init_done, deadlock happens. Fix it by holding lock outside of the for loop. If neigh update is running, prevent encap flows from offloading. Since the lock is held outside of the for loop, concurrent creation of encap entries is not allowed. So remove unnecessary wait_for_completion call for res_ready. Fixes: 95435ad ("net/mlx5e: Only access fully initialized flows in neigh update") Signed-off-by: Chris Mi <cmi@nvidia.com> Reviewed-by: Roi Dayan <roid@nvidia.com> Reviewed-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Aug 5, 2024
profile->parent->dents[AAFS_PROF_DIR] could be NULL only if its parent is made from __create_missing_ancestors(..) and 'ent->old' is NULL in aa_replace_profiles(..). In that case, it must return an error code and the code, -ENOENT represents its state that the path of its parent is not existed yet. BUG: kernel NULL pointer dereference, address: 0000000000000030 PGD 0 P4D 0 PREEMPT SMP PTI CPU: 4 PID: 3362 Comm: apparmor_parser Not tainted 6.8.0-24-generic #24 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014 RIP: 0010:aafs_create.constprop.0+0x7f/0x130 Code: 4c 63 e0 48 83 c4 18 4c 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d 31 d2 31 c9 31 f6 31 ff 45 31 c0 45 31 c9 45 31 d2 c3 cc cc cc cc <4d> 8b 55 30 4d 8d ba a0 00 00 00 4c 89 55 c0 4c 89 ff e8 7a 6a ae RSP: 0018:ffffc9000b2c7c98 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00000000000041ed RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000b2c7cd8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff82baac10 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007be9f22cf740(0000) GS:ffff88817bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000030 CR3: 0000000134b08000 CR4: 00000000000006f0 Call Trace: <TASK> ? show_regs+0x6d/0x80 ? __die+0x24/0x80 ? page_fault_oops+0x99/0x1b0 ? kernelmode_fixup_or_oops+0xb2/0x140 ? __bad_area_nosemaphore+0x1a5/0x2c0 ? find_vma+0x34/0x60 ? bad_area_nosemaphore+0x16/0x30 ? do_user_addr_fault+0x2a2/0x6b0 ? exc_page_fault+0x83/0x1b0 ? asm_exc_page_fault+0x27/0x30 ? aafs_create.constprop.0+0x7f/0x130 ? aafs_create.constprop.0+0x51/0x130 __aafs_profile_mkdir+0x3d6/0x480 aa_replace_profiles+0x83f/0x1270 policy_update+0xe3/0x180 profile_load+0xbc/0x150 ? rw_verify_area+0x47/0x140 vfs_write+0x100/0x480 ? __x64_sys_openat+0x55/0xa0 ? syscall_exit_to_user_mode+0x86/0x260 ksys_write+0x73/0x100 __x64_sys_write+0x19/0x30 x64_sys_call+0x7e/0x25c0 do_syscall_64+0x7f/0x180 entry_SYSCALL_64_after_hwframe+0x78/0x80 RIP: 0033:0x7be9f211c574 Code: c7 00 16 00 00 00 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 80 3d d5 ea 0e 00 00 74 13 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 c3 0f 1f 00 55 48 89 e5 48 83 ec 20 48 89 RSP: 002b:00007ffd26f2b8c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00005d504415e200 RCX: 00007be9f211c574 RDX: 0000000000001fc1 RSI: 00005d504418bc80 RDI: 0000000000000004 RBP: 0000000000001fc1 R08: 0000000000001fc1 R09: 0000000080000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00005d504418bc80 R13: 0000000000000004 R14: 00007ffd26f2b9b0 R15: 00007ffd26f2ba30 </TASK> Modules linked in: snd_seq_dummy snd_hrtimer qrtr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device i2c_i801 snd_timer i2c_smbus qxl snd soundcore drm_ttm_helper lpc_ich ttm joydev input_leds serio_raw mac_hid binfmt_misc msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs qemu_fw_cfg ip_tables x_tables autofs4 hid_generic usbhid hid ahci libahci psmouse virtio_rng xhci_pci xhci_pci_renesas CR2: 0000000000000030 ---[ end trace 0000000000000000 ]--- RIP: 0010:aafs_create.constprop.0+0x7f/0x130 Code: 4c 63 e0 48 83 c4 18 4c 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d 31 d2 31 c9 31 f6 31 ff 45 31 c0 45 31 c9 45 31 d2 c3 cc cc cc cc <4d> 8b 55 30 4d 8d ba a0 00 00 00 4c 89 55 c0 4c 89 ff e8 7a 6a ae RSP: 0018:ffffc9000b2c7c98 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00000000000041ed RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000b2c7cd8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff82baac10 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007be9f22cf740(0000) GS:ffff88817bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000030 CR3: 0000000134b08000 CR4: 00000000000006f0 Signed-off-by: Leesoo Ahn <lsahn@ooseel.net> Signed-off-by: John Johansen <john.johansen@canonical.com>
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Fix the issue that quirk always use SSP2