Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
29 lines
657 B
C
29 lines
657 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __X86_KERNEL_FPU_INTERNAL_H
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#define __X86_KERNEL_FPU_INTERNAL_H
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extern struct fpstate init_fpstate;
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/* CPU feature check wrappers */
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static __always_inline __pure bool use_xsave(void)
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{
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return cpu_feature_enabled(X86_FEATURE_XSAVE);
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}
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static __always_inline __pure bool use_fxsr(void)
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{
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return cpu_feature_enabled(X86_FEATURE_FXSR);
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}
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#ifdef CONFIG_X86_DEBUG_FPU
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# define WARN_ON_FPU(x) WARN_ON_ONCE(x)
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#else
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# define WARN_ON_FPU(x) ({ BUILD_BUG_ON_INVALID(x); 0; })
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#endif
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/* Used in init.c */
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extern void fpstate_init_user(struct fpstate *fpstate);
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extern void fpstate_reset(struct fpu *fpu);
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#endif
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