Contributors: 19
Author Tokens Token Proportion Commits Commit Proportion
Dave Hansen 172 45.14% 7 21.21%
Thomas Gleixner 27 7.09% 3 9.09%
Rick Edgecombe 26 6.82% 2 6.06%
Kirill A. Shutemov 25 6.56% 3 9.09%
Peter Zijlstra 25 6.56% 2 6.06%
Fenghua Yu 22 5.77% 2 6.06%
Sean Christopherson 18 4.72% 2 6.06%
Kuppuswamy Sathyanarayanan 14 3.67% 1 3.03%
Ricardo Neri 13 3.41% 1 3.03%
Juergen Gross 13 3.41% 1 3.03%
Andrew Lutomirski 9 2.36% 1 3.03%
Kim Phillips 5 1.31% 1 3.03%
David Woodhouse 3 0.79% 1 3.03%
Duan Zhenzhong 3 0.79% 1 3.03%
Andi Kleen 2 0.52% 1 3.03%
Babu Moger 1 0.26% 1 3.03%
Yinghai Lu 1 0.26% 1 3.03%
Borislav Petkov 1 0.26% 1 3.03%
H. Peter Anvin 1 0.26% 1 3.03%
Total 381 33 


#ifndef _ASM_X86_DISABLED_FEATURES_H
#define _ASM_X86_DISABLED_FEATURES_H

/* These features, although they might be available in a CPU
 * will not be used because the compile options to support
 * them are not present.
 *
 * This code allows them to be checked and disabled at
 * compile time without an explicit #ifdef.  Use
 * cpu_feature_enabled().
 */

#ifdef CONFIG_X86_UMIP
# define DISABLE_UMIP	0
#else
# define DISABLE_UMIP	(1<<(X86_FEATURE_UMIP & 31))
#endif

#ifdef CONFIG_X86_64
# define DISABLE_VME		(1<<(X86_FEATURE_VME & 31))
# define DISABLE_K6_MTRR	(1<<(X86_FEATURE_K6_MTRR & 31))
# define DISABLE_CYRIX_ARR	(1<<(X86_FEATURE_CYRIX_ARR & 31))
# define DISABLE_CENTAUR_MCR	(1<<(X86_FEATURE_CENTAUR_MCR & 31))
# define DISABLE_PCID		0
#else
# define DISABLE_VME		0
# define DISABLE_K6_MTRR	0
# define DISABLE_CYRIX_ARR	0
# define DISABLE_CENTAUR_MCR	0
# define DISABLE_PCID		(1<<(X86_FEATURE_PCID & 31))
#endif /* CONFIG_X86_64 */

#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
# define DISABLE_PKU		0
# define DISABLE_OSPKE		0
#else
# define DISABLE_PKU		(1<<(X86_FEATURE_PKU & 31))
# define DISABLE_OSPKE		(1<<(X86_FEATURE_OSPKE & 31))
#endif /* CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS */

#ifdef CONFIG_X86_5LEVEL
# define DISABLE_LA57	0
#else
# define DISABLE_LA57	(1<<(X86_FEATURE_LA57 & 31))
#endif

#ifdef CONFIG_PAGE_TABLE_ISOLATION
# define DISABLE_PTI		0
#else
# define DISABLE_PTI		(1 << (X86_FEATURE_PTI & 31))
#endif

#ifdef CONFIG_RETPOLINE
# define DISABLE_RETPOLINE	0
#else
# define DISABLE_RETPOLINE	((1 << (X86_FEATURE_RETPOLINE & 31)) | \
				 (1 << (X86_FEATURE_RETPOLINE_LFENCE & 31)))
#endif

#ifdef CONFIG_RETHUNK
# define DISABLE_RETHUNK	0
#else
# define DISABLE_RETHUNK	(1 << (X86_FEATURE_RETHUNK & 31))
#endif

#ifdef CONFIG_CPU_UNRET_ENTRY
# define DISABLE_UNRET		0
#else
# define DISABLE_UNRET		(1 << (X86_FEATURE_UNRET & 31))
#endif

#ifdef CONFIG_CALL_DEPTH_TRACKING
# define DISABLE_CALL_DEPTH_TRACKING	0
#else
# define DISABLE_CALL_DEPTH_TRACKING	(1 << (X86_FEATURE_CALL_DEPTH & 31))
#endif

#ifdef CONFIG_ADDRESS_MASKING
# define DISABLE_LAM		0
#else
# define DISABLE_LAM		(1 << (X86_FEATURE_LAM & 31))
#endif

#ifdef CONFIG_INTEL_IOMMU_SVM
# define DISABLE_ENQCMD		0
#else
# define DISABLE_ENQCMD		(1 << (X86_FEATURE_ENQCMD & 31))
#endif

#ifdef CONFIG_X86_SGX
# define DISABLE_SGX	0
#else
# define DISABLE_SGX	(1 << (X86_FEATURE_SGX & 31))
#endif

#ifdef CONFIG_XEN_PV
# define DISABLE_XENPV		0
#else
# define DISABLE_XENPV		(1 << (X86_FEATURE_XENPV & 31))
#endif

#ifdef CONFIG_INTEL_TDX_GUEST
# define DISABLE_TDX_GUEST	0
#else
# define DISABLE_TDX_GUEST	(1 << (X86_FEATURE_TDX_GUEST & 31))
#endif

#ifdef CONFIG_X86_USER_SHADOW_STACK
#define DISABLE_USER_SHSTK	0
#else
#define DISABLE_USER_SHSTK	(1 << (X86_FEATURE_USER_SHSTK & 31))
#endif

#ifdef CONFIG_X86_KERNEL_IBT
#define DISABLE_IBT	0
#else
#define DISABLE_IBT	(1 << (X86_FEATURE_IBT & 31))
#endif

/*
 * Make sure to add features to the correct mask
 */
#define DISABLED_MASK0	(DISABLE_VME)
#define DISABLED_MASK1	0
#define DISABLED_MASK2	0
#define DISABLED_MASK3	(DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR)
#define DISABLED_MASK4	(DISABLE_PCID)
#define DISABLED_MASK5	0
#define DISABLED_MASK6	0
#define DISABLED_MASK7	(DISABLE_PTI)
#define DISABLED_MASK8	(DISABLE_XENPV|DISABLE_TDX_GUEST)
#define DISABLED_MASK9	(DISABLE_SGX)
#define DISABLED_MASK10	0
#define DISABLED_MASK11	(DISABLE_RETPOLINE|DISABLE_RETHUNK|DISABLE_UNRET| \
			 DISABLE_CALL_DEPTH_TRACKING|DISABLE_USER_SHSTK)
#define DISABLED_MASK12	(DISABLE_LAM)
#define DISABLED_MASK13	0
#define DISABLED_MASK14	0
#define DISABLED_MASK15	0
#define DISABLED_MASK16	(DISABLE_PKU|DISABLE_OSPKE|DISABLE_LA57|DISABLE_UMIP| \
			 DISABLE_ENQCMD)
#define DISABLED_MASK17	0
#define DISABLED_MASK18	(DISABLE_IBT)
#define DISABLED_MASK19	0
#define DISABLED_MASK20	0
#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 21)

#endif /* _ASM_X86_DISABLED_FEATURES_H */