net: replace critical_section with spinlock #17451
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zhhyu7
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xiaoxiang781216
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Area: Networking
anchao
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Dec 8, 2025
so as to better support multi-core scenarios Signed-off-by: zhanghongyu <[email protected]>
so as to better support multi-core scenarios Signed-off-by: zhanghongyu <[email protected]>
after the network card is turned off, read and write operations need to return -ENETDOWN, and it is necessary to wake up the waiting read and write operations. Signed-off-by: wangchen <[email protected]>
so as to better support multi-core scenarios Signed-off-by: zhanghongyu <[email protected]>
zhhyu7
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xiaoxiang781216
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Dec 8, 2025
anchao
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Dec 9, 2025
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Summary
Replace the critical_section interface in the network module-related code with spinlock to better support multi-core scenarios.
Impact
Network protocol stack and some network card drivers.
Testing
sim:matter to test icmpb6, arp;
qemu:x64 to test driver e1000;
local cortex-m55 board to test tun;