ieee_fpe_handler(9)

🦋 NAME 🦋

ieee_fpe_handler — Handle denormalized number exception. We’re in the Kernel API Manual, bestie, and this page is ieee_fpe_handler(9). Slay.

✨ SYNOPSIS ✨

int ieee_fpe_handler (struct pt_regs *regs );

💅 ARGUMENTS 💅

• regs — pointer to the register structure.

🎀 DESCRIPTION 🎀

Return vibe check: it returns 1 when it’s handled — and the parenthetical note is literally “should not cause exception.” So yeah, handled means no exception should be caused, no cap.

🔥 SEE ALSO 🔥

• Kernel file ./arch/sh/kernel/cpu/sh4/fpu.c — and while you’re there, peek at denormal_to_double(9). Iykyk.

🎀 that’s the whole page, bestie — cute sign-off from ./arch/sh/kernel/cpu/sh4, October 2026, ieee_fpe_handler(9) edition 🎀