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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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b992c660d3
fpu/xstate.c has a lot of generic FPU signal frame handling routines, move them into a separate file: fpu/signal.c. Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org>
34 lines
1013 B
C
34 lines
1013 B
C
/*
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* x86 FPU signal frame handling methods:
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*/
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#ifndef _ASM_X86_FPU_SIGNAL_H
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#define _ASM_X86_FPU_SIGNAL_H
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#ifdef CONFIG_X86_64
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# include <asm/sigcontext32.h>
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# include <asm/user32.h>
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struct ksignal;
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int ia32_setup_rt_frame(int sig, struct ksignal *ksig,
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compat_sigset_t *set, struct pt_regs *regs);
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int ia32_setup_frame(int sig, struct ksignal *ksig,
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compat_sigset_t *set, struct pt_regs *regs);
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#else
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# define user_i387_ia32_struct user_i387_struct
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# define user32_fxsr_struct user_fxsr_struct
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# define ia32_setup_frame __setup_frame
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# define ia32_setup_rt_frame __setup_rt_frame
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#endif
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extern void convert_from_fxsr(struct user_i387_ia32_struct *env,
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struct task_struct *tsk);
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extern void convert_to_fxsr(struct task_struct *tsk,
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const struct user_i387_ia32_struct *env);
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unsigned long
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fpu__alloc_mathframe(unsigned long sp, int ia32_frame,
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unsigned long *buf_fx, unsigned long *size);
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extern void fpu__init_prepare_fx_sw_frame(void);
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#endif /* _ASM_X86_FPU_SIGNAL_H */
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