ioat_free_chan_resources(9)
π§ ioat_free_chan_resources β bestie, it's cleanup time π
okay so welcome to the Kernel API Manual, section 9, and today's main character is ioat_free_chan_resources β¨ she's the one who shows up at the end of the party and makes sure everything gets tidied away. no crumbs left, no stray descriptors, nothing. periodt.
πΈ NAME πΈ
ioat_free_chan_resources β release all the descriptors π
like, all of them. every last one. she does not do partial cleanups, she does not do "eh, good enough." she frees the descriptors and she goes home. iconic.
π¦ SYNOPSIS π¦
void ioat_free_chan_resources (struct dma_chan *c );
yep that's the whole signature, no cap. returns void so there's literally nothing to check afterward β she just does it π
π ARGUMENTS π
cβ the channel to be cleaned π§Ήβ¨ this is thestruct dma_chan *you're handing over, and she's gonna clean it. hand her the channel, she handles the rest. that's the vibe check and it passed.
ngl this is a very short argument list and honestly? slay. sometimes one parameter is all you need, bestie π«Ά
π₯ SEE ALSO π₯
- the kernel file
./drivers/dma/ioat/init.cπ (yes, that's where all the lore lives, iykyk) ioat_dma_self_test(9)βioat_dma_setup_interrupts(9)πioat_enumerate_channels(9)π
go read those too, they're fr fr part of the same friend group ππ
π a lil sign-off π
so that's the whole page, bestie β short, sweet, and absolutely ate. this one comes to you from ./drivers/dma/ioat (that's the source, keep it in your notes π), out of the Kernel API Manual, dated October 2026 ποΈπ mwah, go free those descriptors responsibly π§β¨
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms