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2025-06-19mtd: spinand: fix memory leak of ECC engine confPablo Martin-Gomez1-0/+1
Memory allocated for the ECC engine conf is not released during spinand cleanup. Below kmemleak trace is seen for this memory leak: unreferenced object 0xffffff80064f00e0 (size 8): comm "swapper/0", pid 1, jiffies 4294937458 hex dump (first 8 bytes): 00 00 00 00 00 00 00 00 ........ backtrace (crc 0): kmemleak_alloc+0x30/0x40 __kmalloc_cache_noprof+0x208/0x3c0 spinand_ondie_ecc_init_ctx+0x114/0x200 nand_ecc_init_ctx+0x70/0xa8 nanddev_ecc_engine_init+0xec/0x27c spinand_probe+0xa2c/0x1620 spi_mem_probe+0x130/0x21c spi_probe+0xf0/0x170 really_probe+0x17c/0x6e8 __driver_probe_device+0x17c/0x21c driver_probe_device+0x58/0x180 __device_attach_driver+0x15c/0x1f8 bus_for_each_drv+0xec/0x150 __device_attach+0x188/0x24c device_initial_probe+0x10/0x20 bus_probe_device+0x11c/0x160 Fix the leak by calling nanddev_ecc_engine_cleanup() inside spinand_cleanup(). Signed-off-by: Pablo Martin-Gomez <pmartin-gomez@freebox.fr> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2025-06-19net: airoha: Differentiate hwfd buffer size for QDMA0 and QDMA1Lorenzo Bianconi1-4/+6
EN7581 SoC allows configuring the size and the number of buffers in hwfd payload queue for both QDMA0 and QDMA1. In order to reduce the required DRAM used for hwfd buffers queues and decrease the memory footprint, differentiate hwfd buffer size for QDMA0 and QDMA1 and reduce hwfd buffer size to 1KB for QDMA1 (WAN) while maintaining 2KB for QDMA0 (LAN). Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250619-airoha-hw-num-desc-v4-2-49600a9b319a@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-19net: airoha: Compute number of descriptors according to reserved memory sizeLorenzo Bianconi1-9/+12
In order to not exceed the reserved memory size for hwfd buffers, compute the number of hwfd buffers/descriptors according to the reserved memory size and the size of each hwfd buffer (2KB). Fixes: 3a1ce9e3d01b ("net: airoha: Add the capability to allocate hwfd buffers via reserved-memory") Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://patch.msgid.link/20250619-airoha-hw-num-desc-v4-1-49600a9b319a@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-19tools: ynl: fix mixing ops and notifications on one socketJakub Kicinski1-11/+17
The multi message support loosened the connection between the request and response handling, as we can now submit multiple requests before we start processing responses. Passing the attr set to NlMsgs decoding no longer makes sense (if it ever did), attr set may differ message by messsage. Isolate the part of decoding responsible for attr-set specific interpretation and call it once we identified the correct op. Without this fix performing SET operation on an ethtool socket, while being subscribed to notifications causes: # File "tools/net/ynl/pyynl/lib/ynl.py", line 1096, in _op # Exception| return self._ops(ops)[0] # Exception| ~~~~~~~~~^^^^^ # File "tools/net/ynl/pyynl/lib/ynl.py", line 1040, in _ops # Exception| nms = NlMsgs(reply, attr_space=op.attr_set) # Exception| ^^^^^^^^^^^ The value of op we use on line 1040 is stale, it comes form the previous loop. If a notification comes before a response we will update op to None and the next iteration thru the loop will break with the trace above. Fixes: 6fda63c45fe8 ("tools/net/ynl: fix cli.py --subscribe feature") Fixes: ba8be00f68f5 ("tools/net/ynl: Add multi message support to ynl") Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/20250618171746.1201403-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-19net: atm: fix /proc/net/atm/lec handlingEric Dumazet1-2/+3
/proc/net/atm/lec must ensure safety against dev_lec[] changes. It appears it had dev_put() calls without prior dev_hold(), leading to imbalance and UAF. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Francois Romieu <romieu@fr.zoreil.com> # Minor atm contributor Link: https://patch.msgid.link/20250618140844.1686882-3-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-19net: atm: add lec_mutexEric Dumazet1-0/+7
syzbot found its way in net/atm/lec.c, and found an error path in lecd_attach() could leave a dangling pointer in dev_lec[]. Add a mutex to protect dev_lecp[] uses from lecd_attach(), lec_vcc_attach() and lec_mcast_attach(). Following patch will use this mutex for /proc/net/atm/lec. BUG: KASAN: slab-use-after-free in lecd_attach net/atm/lec.c:751 [inline] BUG: KASAN: slab-use-after-free in lane_ioctl+0x2224/0x23e0 net/atm/lec.c:1008 Read of size 8 at addr ffff88807c7b8e68 by task syz.1.17/6142 CPU: 1 UID: 0 PID: 6142 Comm: syz.1.17 Not tainted 6.16.0-rc1-syzkaller-00239-g08215f5486ec #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:408 [inline] print_report+0xcd/0x680 mm/kasan/report.c:521 kasan_report+0xe0/0x110 mm/kasan/report.c:634 lecd_attach net/atm/lec.c:751 [inline] lane_ioctl+0x2224/0x23e0 net/atm/lec.c:1008 do_vcc_ioctl+0x12c/0x930 net/atm/ioctl.c:159 sock_do_ioctl+0x118/0x280 net/socket.c:1190 sock_ioctl+0x227/0x6b0 net/socket.c:1311 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl fs/ioctl.c:893 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f </TASK> Allocated by task 6132: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4328 [inline] __kvmalloc_node_noprof+0x27b/0x620 mm/slub.c:5015 alloc_netdev_mqs+0xd2/0x1570 net/core/dev.c:11711 lecd_attach net/atm/lec.c:737 [inline] lane_ioctl+0x17db/0x23e0 net/atm/lec.c:1008 do_vcc_ioctl+0x12c/0x930 net/atm/ioctl.c:159 sock_do_ioctl+0x118/0x280 net/socket.c:1190 sock_ioctl+0x227/0x6b0 net/socket.c:1311 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl fs/ioctl.c:893 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 6132: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2381 [inline] slab_free mm/slub.c:4643 [inline] kfree+0x2b4/0x4d0 mm/slub.c:4842 free_netdev+0x6c5/0x910 net/core/dev.c:11892 lecd_attach net/atm/lec.c:744 [inline] lane_ioctl+0x1ce8/0x23e0 net/atm/lec.c:1008 do_vcc_ioctl+0x12c/0x930 net/atm/ioctl.c:159 sock_do_ioctl+0x118/0x280 net/socket.c:1190 sock_ioctl+0x227/0x6b0 net/socket.c:1311 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl fs/ioctl.c:893 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:893 Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: syzbot+8b64dec3affaed7b3af5@syzkaller.appspotmail.com Closes: https://lore.kernel.org/netdev/6852c6f6.050a0220.216029.0018.GAE@google.com/T/#u Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20250618140844.1686882-2-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-19mlxbf_gige: return EPROBE_DEFER if PHY IRQ is not availableDavid Thompson1-2/+4
The message "Error getting PHY irq. Use polling instead" is emitted when the mlxbf_gige driver is loaded by the kernel before the associated gpio-mlxbf driver, and thus the call to get the PHY IRQ fails since it is not yet available. The driver probe() must return -EPROBE_DEFER if acpi_dev_gpio_irq_get_by() returns the same. Fixes: 6c2a6ddca763 ("net: mellanox: mlxbf_gige: Replace non-standard interrupt handling") Signed-off-by: David Thompson <davthompson@nvidia.com> Reviewed-by: Asmaa Mnebhi <asmaa@nvidia.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250618135902.346-1-davthompson@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-19net: airoha: Always check return value from airoha_ppe_foe_get_entry()Lorenzo Bianconi1-1/+3
airoha_ppe_foe_get_entry routine can return NULL, so check the returned pointer is not NULL in airoha_ppe_foe_flow_l2_entry_update() Fixes: b81e0f2b58be3 ("net: airoha: Add FLOW_CLS_STATS callback support") Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://patch.msgid.link/20250618-check-ret-from-airoha_ppe_foe_get_entry-v2-1-068dcea3cc66@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-19NFC: nci: uart: Set tty->disc_data only in success pathKrzysztof Kozlowski1-4/+4
Setting tty->disc_data before opening the NCI device means we need to clean it up on error paths. This also opens some short window if device starts sending data, even before NCIUARTSETDRIVER IOCTL succeeded (broken hardware?). Close the window by exposing tty->disc_data only on the success path, when opening of the NCI device and try_module_get() succeeds. The code differs in error path in one aspect: tty->disc_data won't be ever assigned thus NULL-ified. This however should not be relevant difference, because of "tty->disc_data=NULL" in nci_uart_tty_open(). Cc: Linus Torvalds <torvalds@linuxfoundation.org> Fixes: 9961127d4bce ("NFC: nci: add generic uart support") Cc: <stable@vger.kernel.org> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://patch.msgid.link/20250618073649.25049-2-krzysztof.kozlowski@linaro.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-19calipso: Fix null-ptr-deref in calipso_req_{set,del}attr().Kuniyuki Iwashima1-0/+8
syzkaller reported a null-ptr-deref in sock_omalloc() while allocating a CALIPSO option. [0] The NULL is of struct sock, which was fetched by sk_to_full_sk() in calipso_req_setattr(). Since commit a1a5344ddbe8 ("tcp: avoid two atomic ops for syncookies"), reqsk->rsk_listener could be NULL when SYN Cookie is returned to its client, as hinted by the leading SYN Cookie log. Here are 3 options to fix the bug: 1) Return 0 in calipso_req_setattr() 2) Return an error in calipso_req_setattr() 3) Alaways set rsk_listener 1) is no go as it bypasses LSM, but 2) effectively disables SYN Cookie for CALIPSO. 3) is also no go as there have been many efforts to reduce atomic ops and make TCP robust against DDoS. See also commit 3b24d854cb35 ("tcp/dccp: do not touch listener sk_refcnt under synflood"). As of the blamed commit, SYN Cookie already did not need refcounting, and no one has stumbled on the bug for 9 years, so no CALIPSO user will care about SYN Cookie. Let's return an error in calipso_req_setattr() and calipso_req_delattr() in the SYN Cookie case. This can be reproduced by [1] on Fedora and now connect() of nc times out. [0]: TCP: request_sock_TCPv6: Possible SYN flooding on port [::]:20002. Sending cookies. Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] CPU: 3 UID: 0 PID: 12262 Comm: syz.1.2611 Not tainted 6.14.0 #2 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 RIP: 0010:read_pnet include/net/net_namespace.h:406 [inline] RIP: 0010:sock_net include/net/sock.h:655 [inline] RIP: 0010:sock_kmalloc+0x35/0x170 net/core/sock.c:2806 Code: 89 d5 41 54 55 89 f5 53 48 89 fb e8 25 e3 c6 fd e8 f0 91 e3 00 48 8d 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 26 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b RSP: 0018:ffff88811af89038 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff888105266400 RDX: 0000000000000006 RSI: ffff88800c890000 RDI: 0000000000000030 RBP: 0000000000000050 R08: 0000000000000000 R09: ffff88810526640e R10: ffffed1020a4cc81 R11: ffff88810526640f R12: 0000000000000000 R13: 0000000000000820 R14: ffff888105266400 R15: 0000000000000050 FS: 00007f0653a07640(0000) GS:ffff88811af80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f863ba096f4 CR3: 00000000163c0005 CR4: 0000000000770ef0 PKRU: 80000000 Call Trace: <IRQ> ipv6_renew_options+0x279/0x950 net/ipv6/exthdrs.c:1288 calipso_req_setattr+0x181/0x340 net/ipv6/calipso.c:1204 calipso_req_setattr+0x56/0x80 net/netlabel/netlabel_calipso.c:597 netlbl_req_setattr+0x18a/0x440 net/netlabel/netlabel_kapi.c:1249 selinux_netlbl_inet_conn_request+0x1fb/0x320 security/selinux/netlabel.c:342 selinux_inet_conn_request+0x1eb/0x2c0 security/selinux/hooks.c:5551 security_inet_conn_request+0x50/0xa0 security/security.c:4945 tcp_v6_route_req+0x22c/0x550 net/ipv6/tcp_ipv6.c:825 tcp_conn_request+0xec8/0x2b70 net/ipv4/tcp_input.c:7275 tcp_v6_conn_request+0x1e3/0x440 net/ipv6/tcp_ipv6.c:1328 tcp_rcv_state_process+0xafa/0x52b0 net/ipv4/tcp_input.c:6781 tcp_v6_do_rcv+0x8a6/0x1a40 net/ipv6/tcp_ipv6.c:1667 tcp_v6_rcv+0x505e/0x5b50 net/ipv6/tcp_ipv6.c:1904 ip6_protocol_deliver_rcu+0x17c/0x1da0 net/ipv6/ip6_input.c:436 ip6_input_finish+0x103/0x180 net/ipv6/ip6_input.c:480 NF_HOOK include/linux/netfilter.h:314 [inline] NF_HOOK include/linux/netfilter.h:308 [inline] ip6_input+0x13c/0x6b0 net/ipv6/ip6_input.c:491 dst_input include/net/dst.h:469 [inline] ip6_rcv_finish net/ipv6/ip6_input.c:79 [inline] ip6_rcv_finish+0xb6/0x490 net/ipv6/ip6_input.c:69 NF_HOOK include/linux/netfilter.h:314 [inline] NF_HOOK include/linux/netfilter.h:308 [inline] ipv6_rcv+0xf9/0x490 net/ipv6/ip6_input.c:309 __netif_receive_skb_one_core+0x12e/0x1f0 net/core/dev.c:5896 __netif_receive_skb+0x1d/0x170 net/core/dev.c:6009 process_backlog+0x41e/0x13b0 net/core/dev.c:6357 __napi_poll+0xbd/0x710 net/core/dev.c:7191 napi_poll net/core/dev.c:7260 [inline] net_rx_action+0x9de/0xde0 net/core/dev.c:7382 handle_softirqs+0x19a/0x770 kernel/softirq.c:561 do_softirq.part.0+0x36/0x70 kernel/softirq.c:462 </IRQ> <TASK> do_softirq arch/x86/include/asm/preempt.h:26 [inline] __local_bh_enable_ip+0xf1/0x110 kernel/softirq.c:389 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:919 [inline] __dev_queue_xmit+0xc2a/0x3c40 net/core/dev.c:4679 dev_queue_xmit include/linux/netdevice.h:3313 [inline] neigh_hh_output include/net/neighbour.h:523 [inline] neigh_output include/net/neighbour.h:537 [inline] ip6_finish_output2+0xd69/0x1f80 net/ipv6/ip6_output.c:141 __ip6_finish_output net/ipv6/ip6_output.c:215 [inline] ip6_finish_output+0x5dc/0xd60 net/ipv6/ip6_output.c:226 NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip6_output+0x24b/0x8d0 net/ipv6/ip6_output.c:247 dst_output include/net/dst.h:459 [inline] NF_HOOK include/linux/netfilter.h:314 [inline] NF_HOOK include/linux/netfilter.h:308 [inline] ip6_xmit+0xbbc/0x20d0 net/ipv6/ip6_output.c:366 inet6_csk_xmit+0x39a/0x720 net/ipv6/inet6_connection_sock.c:135 __tcp_transmit_skb+0x1a7b/0x3b40 net/ipv4/tcp_output.c:1471 tcp_transmit_skb net/ipv4/tcp_output.c:1489 [inline] tcp_send_syn_data net/ipv4/tcp_output.c:4059 [inline] tcp_connect+0x1c0c/0x4510 net/ipv4/tcp_output.c:4148 tcp_v6_connect+0x156c/0x2080 net/ipv6/tcp_ipv6.c:333 __inet_stream_connect+0x3a7/0xed0 net/ipv4/af_inet.c:677 tcp_sendmsg_fastopen+0x3e2/0x710 net/ipv4/tcp.c:1039 tcp_sendmsg_locked+0x1e82/0x3570 net/ipv4/tcp.c:1091 tcp_sendmsg+0x2f/0x50 net/ipv4/tcp.c:1358 inet6_sendmsg+0xb9/0x150 net/ipv6/af_inet6.c:659 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg+0xf4/0x2a0 net/socket.c:733 __sys_sendto+0x29a/0x390 net/socket.c:2187 __do_sys_sendto net/socket.c:2194 [inline] __se_sys_sendto net/socket.c:2190 [inline] __x64_sys_sendto+0xe1/0x1c0 net/socket.c:2190 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc3/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f06553c47ed Code: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0653a06fc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f0655605fa0 RCX: 00007f06553c47ed RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000b RBP: 00007f065545db38 R08: 0000200000000140 R09: 000000000000001c R10: f7384d4ea84b01bd R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0655605fac R14: 00007f0655606038 R15: 00007f06539e7000 </TASK> Modules linked in: [1]: dnf install -y selinux-policy-targeted policycoreutils netlabel_tools procps-ng nmap-ncat mount -t selinuxfs none /sys/fs/selinux load_policy netlabelctl calipso add pass doi:1 netlabelctl map del default netlabelctl map add default address:::1 protocol:calipso,1 sysctl net.ipv4.tcp_syncookies=2 nc -l ::1 80 & nc ::1 80 Fixes: e1adea927080 ("calipso: Allow request sockets to be relabelled by the lsm.") Reported-by: syzkaller <syzkaller@googlegroups.com> Reported-by: John Cheung <john.cs.hey@gmail.com> Closes: https://lore.kernel.org/netdev/CAP=Rh=MvfhrGADy+-WJiftV2_WzMH4VEhEFmeT28qY+4yxNu4w@mail.gmail.com/ Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Acked-by: Paul Moore <paul@paul-moore.com> Link: https://patch.msgid.link/20250617224125.17299-1-kuni1840@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-19MAINTAINERS: Remove Shannon Nelson from MAINTAINERS fileShannon Nelson2-7/+5
Brett Creeley is taking ownership of AMD/Pensando drivers while I wander off into the sunset with my retirement this month. I'll still keep an eye out on a few topics for awhile, and maybe do some free-lance work in the future. Meanwhile, thank you all for the fun and support and the many learning opportunities :-). Special thanks go to DaveM for merging my first patch long ago, the big ionic patchset a few years ago, and my last patchset last week. Redirect things to a non-corporate account. Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Brett Creeley <brett.creeley@amd.com> Link: https://patch.msgid.link/20250616224437.56581-1-shannon.nelson@amd.com [Jakub: squash in the .mailmap update] Signed-off-by: Shannon Nelson <sln@onemain.com> Link: https://patch.msgid.link/20250619010603.1173141-1-sln@onemain.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-19drm/xe: Fix early wedge on GuC load failureDaniele Ceraolo Spurio4-2/+21
When the GuC fails to load we declare the device wedged. However, the very first GuC load attempt on GT0 (from xe_gt_init_hwconfig) is done before the GT1 GuC objects are initialized, so things go bad when the wedge code attempts to cleanup GT1. To fix this, check the initialization status in the functions called during wedge. Fixes: 7dbe8af13c18 ("drm/xe: Wedge the entire device") Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Matthew Brost <matthew.brost@intel.com> Cc: Jonathan Cavitt <jonathan.cavitt@intel.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: Zhanjun Dong <zhanjun.dong@intel.com> Cc: stable@vger.kernel.org # v6.12+: 1e1981b16bb1: drm/xe: Fix taking invalid lock on wedge Cc: stable@vger.kernel.org # v6.12+ Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com> Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://lore.kernel.org/r/20250611214453.1159846-2-daniele.ceraolospurio@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> (cherry picked from commit 0b93b7dcd9eb888a6ac7546560877705d4ad61bf) Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
2025-06-19ASoC: Intel: sof-function-topology-lib: Print out the unsupported dmic countPeter Ujfalusi1-1/+2
It is better to print out the non supported num_dmics than printing that it is not matching with 2 or 4. Fixes: 2fbeff33381c ("ASoC: Intel: add sof_sdw_get_tplg_files ops") Cc: stable@vger.kernel.org Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev> Link: https://patch.msgid.link/20250619104705.26057-1-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
2025-06-19drm/xe: Fix memset on iomemLucas De Marchi1-1/+1
It should rather use xe_map_memset() as the BO is created with XE_BO_FLAG_VRAM_IF_DGFX in xe_guc_pc_init(). Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Cc: stable@vger.kernel.org Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://lore.kernel.org/r/20250612-vmap-vaddr-v1-1-26238ed443eb@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> (cherry picked from commit 21cf47d89fba353b2d5915ba4718040c4cb955d3) Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
2025-06-19drm/xe/bmg: Update Wa_16023588340Vinay Belgaumkar1-1/+1
This allows for additional L2 caching modes. Fixes: 01570b446939 ("drm/xe/bmg: implement Wa_16023588340") Cc: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com> Link: https://lore.kernel.org/r/20250612-wa-14022085890-v4-2-94ba5dcc1e30@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> (cherry picked from commit 6ab42fa03d4c88a0ddf5e56e62794853b198e7bf) Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
2025-06-19ublk: santizize the arguments from userspace when adding a deviceRonnie Sahlberg1-0/+3
Sanity check the values for queue depth and number of queues we get from userspace when adding a device. Signed-off-by: Ronnie Sahlberg <rsahlberg@whamcloud.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Fixes: 71f28f3136af ("ublk_drv: add io_uring based userspace block driver") Fixes: 62fe99cef94a ("ublk: add read()/write() support for ublk char device") Link: https://lore.kernel.org/r/20250619021031.181340-1-ronniesahlberg@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-06-19net: lan743x: fix potential out-of-bounds write in lan743x_ptp_io_event_clock_get()Alexey Kodanev1-2/+2
Before calling lan743x_ptp_io_event_clock_get(), the 'channel' value is checked against the maximum value of PCI11X1X_PTP_IO_MAX_CHANNELS(8). This seems correct and aligns with the PTP interrupt status register (PTP_INT_STS) specifications. However, lan743x_ptp_io_event_clock_get() writes to ptp->extts[] with only LAN743X_PTP_N_EXTTS(4) elements, using channel as an index: lan743x_ptp_io_event_clock_get(..., u8 channel,...) { ... /* Update Local timestamp */ extts = &ptp->extts[channel]; extts->ts.tv_sec = sec; ... } To avoid an out-of-bounds write and utilize all the supported GPIO inputs, set LAN743X_PTP_N_EXTTS to 8. Detected using the static analysis tool - Svace. Fixes: 60942c397af6 ("net: lan743x: Add support for PTP-IO Event Input External Timestamp (extts)") Signed-off-by: Alexey Kodanev <aleksei.kodanev@bell-sw.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Acked-by: Rengarajan S <rengarajan.s@microchip.com> Link: https://patch.msgid.link/20250616113743.36284-1-aleksei.kodanev@bell-sw.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-06-19eth: fbnic: avoid double free when failing to DMA-map FW msgJakub Kicinski1-4/+1
The semantics are that caller of fbnic_mbx_map_msg() retains the ownership of the message on error. All existing callers dutifully free the page. Fixes: da3cde08209e ("eth: fbnic: Add FW communication mechanism") Reviewed-by: Alexander Duyck <alexanderduyck@fb.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Link: https://patch.msgid.link/20250616195510.225819-1-kuba@kernel.org Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-06-18tcp: fix passive TFO socket having invalid NAPI IDDavid Wei1-0/+3
There is a bug with passive TFO sockets returning an invalid NAPI ID 0 from SO_INCOMING_NAPI_ID. Normally this is not an issue, but zero copy receive relies on a correct NAPI ID to process sockets on the right queue. Fix by adding a sk_mark_napi_id_set(). Fixes: e5907459ce7e ("tcp: Record Rx hash and NAPI ID in tcp_child_process") Signed-off-by: David Wei <dw@davidwei.uk> Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20250617212102.175711-5-dw@davidwei.uk Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-18selftests: net: add test for passive TFO socket NAPI IDDavid Wei2-0/+113
Add a test that checks that the NAPI ID of a passive TFO socket is valid i.e. not zero. Signed-off-by: David Wei <dw@davidwei.uk> Link: https://patch.msgid.link/20250617212102.175711-4-dw@davidwei.uk Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-18selftests: net: add passive TFO test binaryDavid Wei3-0/+173
Add a simple passive TFO server and client test binary. This will be used to test the SO_INCOMING_NAPI_ID of passive TFO accepted sockets. Signed-off-by: David Wei <dw@davidwei.uk> Link: https://patch.msgid.link/20250617212102.175711-3-dw@davidwei.uk Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-18selftests: netdevsim: improve lib.sh include in peer.shDavid Wei1-1/+2
Fix the peer.sh test to run from INSTALL_PATH. Signed-off-by: David Wei <dw@davidwei.uk> Link: https://patch.msgid.link/20250617212102.175711-2-dw@davidwei.uk Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-18tipc: fix null-ptr-deref when acquiring remote ip of ethernet bearerHaixia Qu1-2/+2
The reproduction steps: 1. create a tun interface 2. enable l2 bearer 3. TIPC_NL_UDP_GET_REMOTEIP with media name set to tun tipc: Started in network mode tipc: Node identity 8af312d38a21, cluster identity 4711 tipc: Enabled bearer <eth:syz_tun>, priority 1 Oops: general protection fault KASAN: null-ptr-deref in range CPU: 1 UID: 1000 PID: 559 Comm: poc Not tainted 6.16.0-rc1+ #117 PREEMPT Hardware name: QEMU Ubuntu 24.04 PC RIP: 0010:tipc_udp_nl_dump_remoteip+0x4a4/0x8f0 the ub was in fact a struct dev. when bid != 0 && skip_cnt != 0, bearer_list[bid] may be NULL or other media when other thread changes it. fix this by checking media_id. Fixes: 832629ca5c313 ("tipc: add UDP remoteip dump to netlink API") Signed-off-by: Haixia Qu <hxqu@hillstonenet.com> Reviewed-by: Tung Nguyen <tung.quang.nguyen@est.tech> Link: https://patch.msgid.link/20250617055624.2680-1-hxqu@hillstonenet.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-18Octeontx2-pf: Fix Backpresure configurationHariprasad Kelam1-2/+2
NIX block can receive packets from multiple links such as MAC (RPM), LBK and CPT. ----------------- RPM --| NIX | ----------------- | | LBK Each link supports multiple channels for example RPM link supports 16 channels. In case of link oversubsribe, NIX will assert backpressure on receive channels. The previous patch considered a single channel per link, resulting in backpressure not being enabled on the remaining channels Fixes: a7ef63dbd588 ("octeontx2-af: Disable backpressure between CPT and NIX") Signed-off-by: Hariprasad Kelam <hkelam@marvell.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250617063403.3582210-1-hkelam@marvell.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-18net: ftgmac100: select FIXED_PHYHeiner Kallweit1-0/+1
Depending on e.g. DT configuration this driver uses a fixed link. So we shouldn't rely on the user to enable FIXED_PHY, select it in Kconfig instead. We may end up with a non-functional driver otherwise. Fixes: 38561ded50d0 ("net: ftgmac100: support fixed link") Cc: stable@vger.kernel.org Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://patch.msgid.link/476bb33b-5584-40f0-826a-7294980f2895@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-18net: ethtool: remove duplicate defines for family infoJakub Kicinski3-6/+5
Commit under fixes switched to uAPI generation from the YAML spec. A number of custom defines were left behind, mostly for commands very hard to express in YAML spec. Among what was left behind was the name and version of the generic netlink family. Problem is that the codegen always outputs those values so we ended up with a duplicated, differently named set of defines. Provide naming info in YAML and remove the incorrect defines. Fixes: 8d0580c6ebdd ("ethtool: regenerate uapi header from the spec") Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20250617202240.811179-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-18cgroup,freezer: fix incomplete freezing when attaching tasksChen Ridong1-2/+1
An issue was found: # cd /sys/fs/cgroup/freezer/ # mkdir test # echo FROZEN > test/freezer.state # cat test/freezer.state FROZEN # sleep 1000 & [1] 863 # echo 863 > test/cgroup.procs # cat test/freezer.state FREEZING When tasks are migrated to a frozen cgroup, the freezer fails to immediately freeze the tasks, causing the cgroup to remain in the "FREEZING". The freeze_task() function is called before clearing the CGROUP_FROZEN flag. This causes the freezing() check to incorrectly return false, preventing __freeze_task() from being invoked for the migrated task. To fix this issue, clear the CGROUP_FROZEN state before calling freeze_task(). Fixes: f5d39b020809 ("freezer,sched: Rewrite core freezer logic") Cc: stable@vger.kernel.org # v6.1+ Reported-by: Zhong Jiawei <zhongjiawei1@huawei.com> Signed-off-by: Chen Ridong <chenridong@huawei.com> Acked-by: Michal Koutný <mkoutny@suse.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2025-06-18drm/amdgpu/sdma5.2: init engine reset mutexAlex Deucher1-0/+1
Missing the mutex init. Fixes: 47454f2dc0bf ("drm/amdgpu: Register the new sdma function pointers for sdma_v5_2") Reviewed-by: Jesse Zhang <Jesse.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit ea685ff30a51a25dd9be90786933ada49a088f65)
2025-06-18drm/amdkfd: Fix race in GWS queue schedulingJay Cornwall1-1/+1
q->gws is not updated atomically with qpd->mapped_gws_queue. If a runlist is created between pqm_set_gws and update_queue it will contain a queue which uses GWS in a process with no GWS allocated. This will result in a scheduler hang. Use q->properties.is_gws which is changed while holding the DQM lock. Signed-off-by: Jay Cornwall <jay.cornwall@amd.com> Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit b98370220eb3110e82248e3354e16a489a492cfb) Cc: stable@vger.kernel.org
2025-06-18drm/amdgpu/sdma5: init engine reset mutexAlex Deucher1-0/+1
Missing the mutex init. Fixes: e56d4bf57fab ("drm/amdgpu/: drm/amdgpu: Register the new sdma function pointers for sdma_v5_0") Reviewed-by: Jesse Zhang <Jesse.Zhang@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 3f4caf092f02f0de169c6122639af481c7edc8f9)
2025-06-18drm/amdgpu: switch job hw_fence to amdgpu_fenceAlex Deucher6-32/+32
Use the amdgpu fence container so we can store additional data in the fence. This also fixes the start_time handling for MCBP since we were casting the fence to an amdgpu_fence and it wasn't. Fixes: 3f4c175d62d8 ("drm/amdgpu: MCBP based on DRM scheduler (v9)") Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit bf1cd14f9e2e1fdf981eed273ddd595863f5288c) Cc: stable@vger.kernel.org
2025-06-18drm/amdgpu: Fix SDMA UTC_L1 handling during start/stop sequencesJesse Zhang1-1/+5
This commit makes two key fixes to SDMA v4.4.2 handling: 1. disable UTC_L1 in sdma_cntl register when stopping SDMA engines by reading the current value before modifying UTC_L1_ENABLE bit. 2. Ensure UTC_L1_ENABLE is consistently managed by: - Adding the missing register write when enabling UTC_L1 during start - Keeping UTC_L1 enabled by default as per hardware requirements v2: Correct SDMA_CNTL setting (Philip) Suggested-by: Jonathan Kim <jonathan.kim@amd.com> Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 375bf564654e85a7b1b0657b191645b3edca1bda) Cc: stable@vger.kernel.org
2025-06-18drm/amdgpu: Release reset locks during failuresLijo Lazar1-25/+55
Make sure to release reset domain lock in case of failures. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Ce Sun <cesun102@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Fixes: 11bb33766f66 ("drm/amdgpu: refactor amdgpu_device_gpu_recover") Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 1ab11a82681eb33a66f423216cb063e7f40c6f85)
2025-06-18drm/amd/display: Check dce_hwseq before dereferencing itAlex Hung1-1/+1
[WHAT] hws was checked for null earlier in dce110_blank_stream, indicating hws can be null, and should be checked whenever it is used. Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 79db43611ff61280b6de58ce1305e0b2ecf675ad) Cc: stable@vger.kernel.org
2025-06-18drm/amdgpu: VCN v5_0_1 to prevent FW checking RB during DPG pauseSonny Jiang1-1/+5
Add a protection to ensure programming are all complete prior VCPU starting. This is a WA for an unintended VCPU running. Signed-off-by: Sonny Jiang <sonny.jiang@amd.com> Acked-by: Leo Liu <leo.liu@amd.com> Reviewed-by: Ruijing Dong <ruijing.dong@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit c29521b529fa5e225feaf709d863a636ca0cbbfa) Cc: stable@vger.kernel.org
2025-06-18drm/amdgpu: Use logical instance ID for SDMA v4_4_2 queue operationsJesse Zhang1-2/+2
Simplify SDMA v4_4_2 queue reset and stop operations by: 1. Removing GET_INST(SDMA0) conversion for ring->me 2. Using the logical instance ID (ring->me) directly 3. Maintaining consistent behavior with other SDMA queue operations This change aligns with the existing queue handling logic where ring->me already represents the correct instance identifier. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 3bab282dfe25dff7a55add432f56898505a6cc6c) Cc: stable@vger.kernel.org
2025-06-18drm/amdgpu: Fix SDMA engine reset with logical instance IDJesse Zhang1-4/+6
This commit makes the following improvements to SDMA engine reset handling: 1. Clarifies in the function documentation that instance_id refers to a logical ID 2. Adds conversion from logical to physical instance ID before performing reset using GET_INST(SDMA0, instance_id) macro 3. Improves error messaging to indicate when a logical instance reset fails 4. Adds better code organization with blank lines for readability The change ensures proper SDMA engine reset by using the correct physical instance ID while maintaining the logical ID interface for callers. V2: Remove harvest_config check and convert directly to physical instance (Lijo) Suggested-by: Jonathan Kim <jonathan.kim@amd.com> Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 5efa6217c239ed1ceec0f0414f9b6f6927387dfc) Cc: stable@vger.kernel.org
2025-06-18drm/amdgpu: add kicker fws loading for gfx11/smu13/psp13Frank Min5-9/+35
1. Add kicker firmwares loading for gfx11/smu13/psp13 2. Register additional MODULE_FIRMWARE entries for kicker fws - gc_11_0_0_rlc_kicker.bin - gc_11_0_0_imu_kicker.bin - psp_13_0_0_sos_kicker.bin - psp_13_0_0_ta_kicker.bin - smu_13_0_0_kicker.bin Signed-off-by: Frank Min <Frank.Min@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit fb5ec2174d70a8989bc207d257db90ffeca3b163) Cc: stable@vger.kernel.org
2025-06-18drm/amdgpu: Add kicker device detectionFrank Min2-0/+23
1. add kicker device list 2. add kicker device checking helper function Signed-off-by: Frank Min <Frank.Min@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 09aa2b408f4ab689c3541d22b0968de0392ee406) Cc: stable@vger.kernel.org
2025-06-18drm/amd/display: Export full brightness range to userspaceMario Limonciello1-14/+27
[WHY] Userspace currently is offered a range from 0-0xFF but the PWM is programmed from 0-0xFFFF. This can be limiting to some software that wants to apply greater granularity. [HOW] Convert internally to firmware values only when mapping custom brightness curves because these are in 0-0xFF range. Advertise full PWM range to userspace. Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Roman Li <roman.li@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 8dbd72cb790058ce52279af38a43c2b302fdd3e5) Cc: stable@vger.kernel.org
2025-06-18drm/amd/display: Only read ACPI backlight caps onceMario Limonciello1-7/+7
[WHY] Backlight caps are read already in amdgpu_dm_update_backlight_caps(). They may be updated by update_connector_ext_caps(). Reading again when registering backlight device may cause wrong values to be used. [HOW] Use backlight caps already registered to the dm. Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Roman Li <roman.li@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 148144f6d2f14b02eaaa39b86bbe023cbff350bd) Cc: stable@vger.kernel.org
2025-06-18drm/amd/display: Fix RMCM programming seq errorsYihan Zhu1-1/+4
[WHY & HOW] Fix RMCM programming sequence errors and mapping issues to pass the RMCM test. Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Dmytro Laktyushkin <dmytro.laktyushkin@amd.com> Signed-off-by: Yihan Zhu <Yihan.Zhu@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 11baa4975025033547f45f5894087a0dda6efbb8) Cc: stable@vger.kernel.org
2025-06-18drm/amd/display: Fix mpv playback corruption on westonAlex Hung2-0/+2
[WHAT] Severe video playback corruption is observed in the following setup: weston 14.0.90 (built from source) + mpv v0.40.0 with command: mpv bbb_sunflower_1080p_60fps_normal.mp4 --vo=gpu [HOW] ABGR16161616 needs to be included in dml2/2.1 translation. Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Austin Zheng <austin.zheng@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit d023de809f85307ca819a9dbbceee6ae1f50e2ad) Cc: stable@vger.kernel.org
2025-06-18drm/amd/display: Add more checks for DSC / HUBP ONO guaranteesNicholas Kazlauskas1-0/+28
[WHY] For non-zero DSC instances it's possible that the HUBP domain required to drive it for sequential ONO ASICs isn't met, potentially causing the logic to the tile to enter an undefined state leading to a system hang. [HOW] Add more checks to ensure that the HUBP domain matching the DSC instance is appropriately powered. Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Duncan Ma <duncan.ma@amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit da63df07112e5a9857a8d2aaa04255c4206754ec) Cc: stable@vger.kernel.org
2025-06-18drm/amd/display: Get LTTPR IEEE OUI/Device ID From Closest LTTPR To HostMichael Strauss2-9/+33
[WHY] These fields are read for the explicit purpose of detecting embedded LTTPRs (i.e. between host ASIC and the user-facing port), and thus need to calculate the correct DPCD address offset based on LTTPR count to target the appropriate LTTPR's DPCD register space with these queries. [HOW] Cascaded LTTPRs in a link each snoop and increment LTTPR count when queried via DPCD read, so an LTTPR embedded in a source device (e.g. USB4 port on a laptop) will always be addressible using the max LTTPR count seen by the host. Therefore we simply need to use a recently added helper function to calculate the correct DPCD address to target potentially embedded LTTPRs based on the received LTTPR count. Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Wenjing Liu <wenjing.liu@amd.com> Signed-off-by: Michael Strauss <michael.strauss@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 791897f5c77a2a65d0e500be4743af2ddf6eb061) Cc: stable@vger.kernel.org
2025-06-18drm/amd/display: Add dc cap for dp tunnelingPeichen Huang7-1/+55
[WHAT] 1. add dc cap for dp tunneling 2. add function to get index of host router Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Cruise Hung <cruise.hung@amd.com> Signed-off-by: Peichen Huang <PeiChen.Huang@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 29e178d13979cf6fdb42c5fe2dfec2da2306c4ad) Cc: stable@vger.kernel.org
2025-06-18drm/amdkfd: move SDMA queue reset capability check to node_showJesse.Zhang1-2/+4
Relocate the per-SDMA queue reset capability check from kfd_topology_set_capabilities() to node_show() to ensure we read the latest value of sdma.supported_reset after all IP blocks are initialized. Fixes: ceb7114c961b ("drm/amdkfd: flag per-sdma queue reset supported to user space") Reviewed-by: Jonathan Kim <jonathan.kim@amd.com> Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit e17df7b086cf908cedd919f448da9e00028419bb)
2025-06-18ASoC: doc: cs35l56: Add CS35L63 to the list of supported devicesRichard Fitzgerald1-5/+6
Add CS35L63 to the list of parts supported by the cs35l56 driver and mention the CS35L63 where the text refers to the supported part numbers. Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Link: https://patch.msgid.link/20250618145547.152814-1-rf@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
2025-06-18Documentation: embargoed-hardware-issues.rst: Add myself for PowerMadhavan Srinivasan1-0/+1
Adding myself as the contact for Power Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Link: https://lore.kernel.org/r/20250614152925.82831-1-maddy@linux.ibm.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-06-18fgraph: Do not enable function_graph tracer when setting funcgraph-argsSteven Rostedt1-0/+6
When setting the funcgraph-args option when function graph tracer is net enabled, it incorrectly enables it. Worse, it unregisters itself when it was never registered. Then when it gets enabled again, it will register itself a second time causing a WARNing. ~# echo 1 > /sys/kernel/tracing/options/funcgraph-args ~# head -20 /sys/kernel/tracing/trace # tracer: nop # # entries-in-buffer/entries-written: 813/26317372 #P:8 # # _-----=> irqs-off/BH-disabled # / _----=> need-resched # | / _---=> hardirq/softirq # || / _--=> preempt-depth # ||| / _-=> migrate-disable # |||| / delay # TASK-PID CPU# ||||| TIMESTAMP FUNCTION # | | | ||||| | | <idle>-0 [007] d..4. 358.966010: 7) 1.692 us | fetch_next_timer_interrupt(basej=4294981640, basem=357956000000, base_local=0xffff88823c3ae040, base_global=0xffff88823c3af300, tevt=0xffff888100e47cb8); <idle>-0 [007] d..4. 358.966012: 7) | tmigr_cpu_deactivate(nextexp=357988000000) { <idle>-0 [007] d..4. 358.966013: 7) | _raw_spin_lock(lock=0xffff88823c3b2320) { <idle>-0 [007] d..4. 358.966014: 7) 0.981 us | preempt_count_add(val=1); <idle>-0 [007] d..5. 358.966017: 7) 1.058 us | do_raw_spin_lock(lock=0xffff88823c3b2320); <idle>-0 [007] d..4. 358.966019: 7) 5.824 us | } <idle>-0 [007] d..5. 358.966021: 7) | tmigr_inactive_up(group=0xffff888100cb9000, child=0x0, data=0xffff888100e47bc0) { <idle>-0 [007] d..5. 358.966022: 7) | tmigr_update_events(group=0xffff888100cb9000, child=0x0, data=0xffff888100e47bc0) { Notice the "tracer: nop" at the top there. The current tracer is the "nop" tracer, but the content is obviously the function graph tracer. Enabling function graph tracing will cause it to register again and trigger a warning in the accounting: ~# echo function_graph > /sys/kernel/tracing/current_tracer -bash: echo: write error: Device or resource busy With the dmesg of: ------------[ cut here ]------------ WARNING: CPU: 7 PID: 1095 at kernel/trace/ftrace.c:3509 ftrace_startup_subops+0xc1e/0x1000 Modules linked in: kvm_intel kvm irqbypass CPU: 7 UID: 0 PID: 1095 Comm: bash Not tainted 6.16.0-rc2-test-00006-gea03de4105d3 #24 PREEMPT Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:ftrace_startup_subops+0xc1e/0x1000 Code: 48 b8 22 01 00 00 00 00 ad de 49 89 84 24 88 01 00 00 8b 44 24 08 89 04 24 e9 c3 f7 ff ff c7 04 24 ed ff ff ff e9 b7 f7 ff ff <0f> 0b c7 04 24 f0 ff ff ff e9 a9 f7 ff ff c7 04 24 f4 ff ff ff e9 RSP: 0018:ffff888133cff948 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 1ffff1102679ff31 RCX: 0000000000000000 RDX: 1ffffffff0b27a60 RSI: ffffffff8593d2f0 RDI: ffffffff85941140 RBP: 00000000000c2041 R08: ffffffffffffffff R09: ffffed1020240221 R10: ffff88810120110f R11: ffffed1020240214 R12: ffffffff8593d2f0 R13: ffffffff8593d300 R14: ffffffff85941140 R15: ffffffff85631100 FS: 00007f7ec6f28740(0000) GS:ffff8882b5251000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7ec6f181c0 CR3: 000000012f1d0005 CR4: 0000000000172ef0 Call Trace: <TASK> ? __pfx_ftrace_startup_subops+0x10/0x10 ? find_held_lock+0x2b/0x80 ? ftrace_stub_direct_tramp+0x10/0x10 ? ftrace_stub_direct_tramp+0x10/0x10 ? trace_preempt_on+0xd0/0x110 ? __pfx_trace_graph_entry_args+0x10/0x10 register_ftrace_graph+0x4d2/0x1020 ? tracing_reset_online_cpus+0x14b/0x1e0 ? __pfx_register_ftrace_graph+0x10/0x10 ? ring_buffer_record_enable+0x16/0x20 ? tracing_reset_online_cpus+0x153/0x1e0 ? __pfx_tracing_reset_online_cpus+0x10/0x10 ? __pfx_trace_graph_return+0x10/0x10 graph_trace_init+0xfd/0x160 tracing_set_tracer+0x500/0xa80 ? __pfx_tracing_set_tracer+0x10/0x10 ? lock_release+0x181/0x2d0 ? _copy_from_user+0x26/0xa0 tracing_set_trace_write+0x132/0x1e0 ? __pfx_tracing_set_trace_write+0x10/0x10 ? ftrace_graph_func+0xcc/0x140 ? ftrace_stub_direct_tramp+0x10/0x10 ? ftrace_stub_direct_tramp+0x10/0x10 ? ftrace_stub_direct_tramp+0x10/0x10 vfs_write+0x1d0/0xe90 ? __pfx_vfs_write+0x10/0x10 Have the setting of the funcgraph-args check if function_graph tracer is the current tracer of the instance, and if not, do nothing, as there's nothing to do (the option is checked when function_graph tracing starts). Cc: stable@vger.kernel.org Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/20250618073801.057ea636@gandalf.local.home Fixes: c7a60a733c373 ("ftrace: Have funcgraph-args take affect during tracing") Closes: https://lore.kernel.org/all/4ab1a7bdd0174ab09c7b0d68cdbff9a4@huawei.com/ Reported-by: Changbin Du <changbin.du@huawei.com> Tested-by: Changbin Du <changbin.du@huawei.com> Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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