ROCK 4 LED #20
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ROCK 4 LED #20
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marcone
reviewed
Aug 22, 2022
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| system-status { | ||
| label = "status"; | ||
| user_led2 { |
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Why only user_led2 here? The left-side code had both LEDs, so this seems like a step back.
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Why only user_led2 here? The left-side code had both LEDs, so this seems like a step back.
power(green) LED is not controllable on ROCK 4A/B/C/A+/B+.
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Ah yes, I see the schematic has it connected to +5V.
(then again the schematic also says both LEDs are green,
Signed-off-by: FUKAUMI Naoki <[email protected]>
no functional change ref: kernel/Documentation/devicetree/bindings/leds/common.yaml Signed-off-by: FUKAUMI Naoki <[email protected]>
DsoTsin
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to Tsinworks/kernel-radxa-horizon
that referenced
this pull request
Aug 1, 2023
Christoph reported a divide by zero bug in mptcp_recvmsg(): divide error: 0000 [radxa#1] PREEMPT SMP CPU: 1 PID: 19978 Comm: syz-executor.6 Not tainted 6.4.0-rc2-gffcc7899081b radxa#20 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014 RIP: 0010:__tcp_select_window+0x30e/0x420 net/ipv4/tcp_output.c:3018 Code: 11 ff 0f b7 cd c1 e9 0c b8 ff ff ff ff d3 e0 89 c1 f7 d1 01 cb 21 c3 eb 17 e8 2e 83 11 ff 31 db eb 0e e8 25 83 11 ff 89 d8 99 <f7> 7c 24 04 29 d3 65 48 8b 04 25 28 00 00 00 48 3b 44 24 10 75 60 RSP: 0018:ffffc90000a07a18 EFLAGS: 00010246 RAX: 000000000000ffd7 RBX: 000000000000ffd7 RCX: 0000000000040000 RDX: 0000000000000000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 000000000000ffd7 R08: ffffffff820cf297 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff8103d1a0 R12: 0000000000003f00 R13: 0000000000300000 R14: ffff888101cf3540 R15: 0000000000180000 FS: 00007f9af4c09640(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33824000 CR3: 000000012f241001 CR4: 0000000000170ee0 Call Trace: <TASK> __tcp_cleanup_rbuf+0x138/0x1d0 net/ipv4/tcp.c:1611 mptcp_recvmsg+0xcb8/0xdd0 net/mptcp/protocol.c:2034 inet_recvmsg+0x127/0x1f0 net/ipv4/af_inet.c:861 ____sys_recvmsg+0x269/0x2b0 net/socket.c:1019 ___sys_recvmsg+0xe6/0x260 net/socket.c:2764 do_recvmmsg+0x1a5/0x470 net/socket.c:2858 __do_sys_recvmmsg net/socket.c:2937 [inline] __se_sys_recvmmsg net/socket.c:2953 [inline] __x64_sys_recvmmsg+0xa6/0x130 net/socket.c:2953 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x47/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f9af58fc6a9 Code: 5c c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 8b 0d 4f 37 0d 00 f7 d8 64 89 01 48 RSP: 002b:00007f9af4c08cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00000000006bc050 RCX: 00007f9af58fc6a9 RDX: 0000000000000001 RSI: 0000000020000140 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000f00 R11: 0000000000000246 R12: 00000000006bc05c R13: fffffffffffffea8 R14: 00000000006bc050 R15: 000000000001fe40 </TASK> mptcp_recvmsg is allowed to release the msk socket lock when blocking, and before re-acquiring it another thread could have switched the sock to TCP_LISTEN status - with a prior connect(AF_UNSPEC) - also clearing icsk_ack.rcv_mss. Address the issue preventing the disconnect if some other process is concurrently performing a blocking syscall on the same socket, alike commit 4faeee0 ("tcp: deny tcp_disconnect() when threads are waiting"). Fixes: a6b118f ("mptcp: add receive buffer auto-tuning") Cc: [email protected] Reported-by: Christoph Paasch <[email protected]> Closes: multipath-tcp/mptcp_net-next#404 Signed-off-by: Paolo Abeni <[email protected]> Tested-by: Christoph Paasch <[email protected]> Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
ruiqurm
pushed a commit
to BUPT-OS/radxa-kernel
that referenced
this pull request
Jan 7, 2025
Compat mode (CONFIG_COMPAT) allows application binaries built for a 32bit architecture to issue system calls to a 64bit kernel which implements such compatibility support. This work builds on the y2038 sanitization which eliminated the remaining assumptions about the size of native long integers in the same move. Although these changes enable armv7 binaries to call an armv8 kernel, most of them are architecture-independent, and follow this pattern: - .compat_ioctl and .compat_oob_ioctl handlers are added to all file operations structs, pointing at compat_ptr_ioctl() compat_ptr_oob_ioctl() respectively. - all pointers passed by applications within ioctl() argument structs are conveyed as generic 64bit values. These changes mandate upgrading the ABI revision to radxa#20. Signed-off-by: Philippe Gerum <[email protected]>
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