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