kvm_s390_pv_dump_complete(9)

💅 NAME 💅

okay so this is kvm_s390_pv_dump_complete(9), straight from the Kernel API Manual, and bestie the NAME line is literally just kvm_s390_pv_dump_complete with no extra description after the dash, so we are not inventing one — the function name is the whole moment 💅✨

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🦋 SYNOPSIS 🦋

the signature is giving:

int kvm_s390_pv_dump_complete (struct kvm *kvm , void __user *buff_user
, u16 *rc , u16 *rrc );

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🎀 ARGUMENTS 🎀

• kvm — pointer to the guest's KVM struct, iconic and necessary 🫶
• buff_user — Userspace pointer where we will write the results to, bestie
• rc — Pointer to where the uvcb return code is stored
• rrc — Pointer to where the uvcb return reason code is stored

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🌸 DESCRIPTION 🌸

Completes the dumping operation and writes the completion data to user space. periodt 💖

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🔥 CONTEXT 🔥

vibe check before you call: kvm->lock needs to be held, no cap 🔒✨

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⭐ RETURN ⭐

• 0 — on success, slay ✨
• -ENOMEM — if allocating the completion buffer fails 😭
• -EINVAL — if the UV call fails, and rc and rrc will be set in this case
• -EFAULT — if copying the result to buff_user failed

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🌈 SEE ALSO 🌈

• Kernel file ./arch/s390/kvm/s390/pv.c
• should_export_before_import(9)
• kvm_s390_pv_make_secure(9)
• kvm_s390_pv_destroy_page(9)
• struct pv_vm_to_be_destroyed(9)
• kvm_s390_pv_dispose_one_leftover(9)
• kvm_s390_pv_set_aside(9)
• kvm_s390_pv_deinit_vm(9)
• kvm_s390_pv_deinit_cleanup_all(9)
• kvm_s390_pv_deinit_aside_vm(9)
• kvm_s390_pv_dump_stor_state(9)

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xoxo bestie 💖 source/version: ./arch/s390/kvm/s390, dated October 2026. bye 🫶✨