Linux kernel bug fix: x86/fpu: Fix irq_fpu_usable() to return false during CPU onlining
Subsystem: arch/x86 (arch/x86/include/asm/fpu/api.h)
Bug type: crash, severity: high
Files changed: arch/x86/include/asm/fpu/api.h;arch/x86/kernel/fpu/core.c;arch/x86/kernel/fpu/init.c;arch/x86/kernel/smpboot.c
Introduced by Eric Biggers on 2025-05-05 18:20:44 +0800; fixed by Eric Biggers on 2025-05-26 10:58:50 +0800 (lifetime: 20 days)