sgx_enclave_modify_types(9)

✨ sgx_enclave_modify_types(9) ✨

okay bestie, welcome to the kernel API manual 💅 this little function lives in section 9 and it's literally here to modify the type of SGX enclave pages. that's it, that's the vibe. 🦋

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🎀 NAME 🎀

sgx_enclave_modify_types — modify type of SGX enclave pages ✨

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🌸 SYNOPSIS 🌸

long sgx_enclave_modify_types (struct sgx_encl *encl , struct
sgx_enclave_modify_types *modt );

no cap, that's the whole call 🫶

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💖 ARGUMENTS 💖

• encl — the enclave that the pages belong to 👑 like, whose pages are we even touching here
• modt — the checked parameters that came from user about which pages need modifying and what their new page type is 🎀 so it's already been vetted, we're not just raw-dogging user input here

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🔥 RETURN 🔥

• 0 — success!! it ate, it slayed, we move 🌈
• -errno — otherwise 😭 something went sideways and you get the usual negative errno situation

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🧚 SEE ALSO 🧚

kernel file ./arch/x86/kernel/cpu/sgx/ioctl.c and all its friends, fr fr:

• sgx_ioc_enclave_create(9)
• sgx_ioc_enclave_add_pages(9)
• sgx_ioc_enclave_init(9)
• sgx_ioc_enclave_provision(9)
• sgx_enclave_restrict_permissions(9)
• sgx_ioc_enclave_restrict_permissions(9)
• sgx_ioc_enclave_modify_types(9)
• sgx_encl_remove_pages(9)
• sgx_ioc_enclave_remove_pages(9)

go read those too, iykyk 📚✨

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lowkey reminder: this page is under ./arch/x86/kernel/cpu/sgx, dated October 2026, and it's sgx_enclave_modify_types(9) — that's the whole provenance 💜

and that's the page bestie, mwah 💋🫶 go modify some types responsibly 🎀