1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 #ifndef __X86_KERNEL_FPU_INTERNAL_H
3 #define __X86_KERNEL_FPU_INTERNAL_H
4
5 extern struct fpstate init_fpstate;
6
7 /* CPU feature check wrappers */
8 static __always_inline __pure bool use_xsave(v
9 {
10 return cpu_feature_enabled(X86_FEATURE
11 }
12
13 static __always_inline __pure bool use_fxsr(vo
14 {
15 return cpu_feature_enabled(X86_FEATURE
16 }
17
18 #ifdef CONFIG_X86_DEBUG_FPU
19 # define WARN_ON_FPU(x) WARN_ON_ONCE(x)
20 #else
21 # define WARN_ON_FPU(x) ({ (void)(x); 0; })
22 #endif
23
24 /* Used in init.c */
25 extern void fpstate_init_user(struct fpstate *
26 extern void fpstate_reset(struct fpu *fpu);
27
28 #endif
29
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