/* * include/asm-x86_64/bugs.h * * Copyright (C) 1994 Linus Torvalds * Copyright (C) 2000 SuSE * * This is included by init/main.c to check for architecture-dependent bugs. * * Needs: * void check_bugs(void); */ #include <linux/config.h> #include <asm/processor.h> #include <asm/i387.h> #include <asm/msr.h> #include <asm/pda.h> static inline void check_fpu(void) { extern void __bad_fxsave_alignment(void); if (offsetof(struct task_struct, thread.i387.fxsave) & 15) __bad_fxsave_alignment(); /* This should not be here */ set_in_cr4(X86_CR4_OSFXSR); set_in_cr4(X86_CR4_OSXMMEXCPT); } static void __init check_bugs(void) { identify_cpu(&boot_cpu_data); check_fpu(); }