kvm_handle_fpu_disabled(9)

🎀 kvm_handle_fpu_disabled(9) 🎀

okay so this page is from the Kernel API Manual, and the manual name is folded right in up here so we don't have to do the boring header-line copy-paste. It's giving kernel-internals bestie energy. ✨

🌸 NAME 🌸

kvm_handle_fpu_disabled — guest used fpu however it is disabled at host.

🦋 SYNOPSIS 🦋

int kvm_handle_fpu_disabled (struct kvm_vcpu *vcpu , int ecode );

🍓 ARGUMENTS 🍓

• vcpu — virtual CPU context. That's the vCPU bestie in question. 👑
• ecode — exception code. The code that goes with the exception, periodt.

💅 DESCRIPTION 💅

This handles the situation where the guest is trying to use fpu, but that fpu hasn't been allowed by the root context. So yes: guest said "let me use fpu," root context said "not allowed," and this function is the handler for that moment. No cap, that's the whole vibe. 🫶

🔥 SEE ALSO 🔥

• Kernel file ./arch/loongarch/kvm/exit.c — go peek at the source, iykyk. 👀

mwah 💋 this page is from the source/version tag ./arch/loongarch/kvm, dated October 2026 — that's the cute little footer info, folded into a sign-off instead of copied as a line. 🎀✨