libie_xn_che...sync_timeout(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… libie_xn_check_async_timeout β€” check for asynchronous message timeouts ✨

okay bestie, welcome to the Kernel API Manual πŸŽ€ β€” yes, that's the manual name, and yes it's giving very serious kernel business. this page is about libie_xn_check_async_timeout, one tiny function with a big job. let's get into it πŸ¦‹


🌸 NAME 🌸

libie_xn_check_async_timeout β€” literally just checking for asynchronous message timeouts πŸ’–


✨ SYNOPSIS ✨

void libie_xn_check_async_timeout (struct libie_ctlq_xn_manager *xnm );

so clean, so simple, no return value, no drama. she returns void and minds her own business 🫢


πŸŽ€ ARGUMENTS πŸŽ€

  • xnm β€” the Xn transaction manager πŸ‘‘ that's it, that's the whole argument list. one (1) pointer, she's low-maintenance.

πŸ’œ DESCRIPTION πŸ’œ

okay so what does she actually do? she calls the corresponding callback to notify the caller about the timeout πŸ”” β€” like a little "hey bestie, time's up" ping.

she does this by iterating free_xns_bm locklessly 😳 β€” no cap, no lock, just vibes. and because that's a little chaotic, any potential races get caught under xn->xn_lock πŸ”₯ so it's fine, the safety net is real.

lowkey important: the lockless iteration is a potential race situation β€” that's straight from the source, don't come for me. the races are caught under xn->xn_lock, periodt πŸ’…

πŸ” SEE ALSO πŸ”

the friend group πŸ’– β€” and also the kernel file:

Kernel file ./drivers/net/ethernet/intel/libie/controlq.c


⭐ sign-off ⭐

and that's the page!! 🌈 the source path is ./drivers/net/ethernet/intel/l... and this cutie is dated October 2026 πŸ“… β€” manifesting that deadline energy. stay lockless, stay safe under xn->xn_lock, and remember: the timeout callback is always there to tell you the truth πŸ§šπŸ’œ

bye bestie, go read some more kernel docs πŸ’–βœ¨

πŸ“¦ where this page comes from