destroy_cis_cache(9)

💖 destroy_cis_cache(9) 💖

okay so this is a page from the Kernel API Manual, section 9, and bestie, it is short but it is important. let's get into it 🫶

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✨ NAME ✨

destroy_cis_cache — destroy the CIS cache. that's it. that's the whole name. iconic minimalism 💅

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🎀 SYNOPSIS 🎀

void destroy_cis_cache (struct pcmcia_socket *s );

literally one function, one argument, returns void. no notes. slay.

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🦋 ARGUMENTS 🦋

• s — the pcmcia_socket for which the CIS cache shall be destroyed. like, this is the socket we're torching the cache for. no cap.

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🌸 DESCRIPTION 🌸

so what does it actually do? it destroys the CIS cache. 🗑️✨

but — and this is the main character detail — it keeps any fake CIS alive. the fake CIS gets to stay. it's giving "you can stay, but your friend has to go."

⚠️ real talk though: it must be called with ops_mutex held. like, not "ideally", not "if you feel like it" — must. hold the mutex or don't call it. periodt. 🔒

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🧚 SEE ALSO 🧚

• Kernel file ./drivers/pcmcia/cistpl.c — the source file where this whole situation lives
• pccard_validate_cis(9) — its sibling, go read that one too iykyk

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and that's the page!! 💜 brought to you by ./drivers/pcmcia, dated October 2026 — catch you in the next manpage, bestie, mwah 🎀💖🌈