Cregit: Linux 6.15: internal.h

Contributors: 10
Author	Tokens	Token Proportion	Commits	Commit Proportion
Thomas Gleixner	40	44.94%	7	43.75%
Ingo Molnar	18	20.22%	1	6.25%
Brian Gerst	10	11.24%	1	6.25%
Avi Kivity	10	11.24%	1	6.25%
H. Peter Anvin	3	3.37%	1	6.25%
Borislav Petkov	3	3.37%	1	6.25%
Linus Torvalds	2	2.25%	1	6.25%
Eric Biggers	1	1.12%	1	6.25%
Greg Kroah-Hartman	1	1.12%	1	6.25%
Andrew Lutomirski	1	1.12%	1	6.25%
Total	89		16

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __X86_KERNEL_FPU_INTERNAL_H
#define __X86_KERNEL_FPU_INTERNAL_H

extern struct fpstate init_fpstate;

/* CPU feature check wrappers */
static __always_inline __pure bool use_xsave(void)
{
	return cpu_feature_enabled(X86_FEATURE_XSAVE);
}

static __always_inline __pure bool use_fxsr(void)
{
	return cpu_feature_enabled(X86_FEATURE_FXSR);
}

#ifdef CONFIG_X86_DEBUG_FPU
# define WARN_ON_FPU(x) WARN_ON_ONCE(x)
#else
# define WARN_ON_FPU(x) ({ BUILD_BUG_ON_INVALID(x); 0; })
#endif

/* Used in init.c */
extern void fpstate_init_user(struct fpstate *fpstate);
extern void fpstate_reset(struct fpu *fpu);

#endif