mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-09-04 20:19:47 +08:00
7e86548e2c
-----BEGIN PGP SIGNATURE----- iQEcBAABAgAGBQJabj6pAAoJEHm+PkMAQRiGs8cIAJQFkCWnbz86e3vG4DuWhyA8 CMGHCQdUOxxFGa/ixhIiuetbC0x+JVHAjV2FwVYbAQfaZB3pfw2iR1ncQxpAP1AI oLU9vBEqTmwKMPc9CM5rRfnLFWpGcGwUNzgPdxD5yYqGDtcM8K840mF6NdkYe5AN xU8rv1wlcFPF4A5pvHCH0pvVmK4VxlVFk/2H67TFdxBs4PyJOnSBnf+bcGWgsKO6 hC8XIVtcKCH2GfFxt5d0Vgc5QXJEpX1zn2mtCa1MwYRjN2plgYfD84ha0xE7J0B0 oqV/wnjKXDsmrgVpncr3txd4+zKJFNkdNRE4eLAIupHo2XHTG4HvDJ5dBY2NhGU= =sOml -----END PGP SIGNATURE----- Merge tag 'v4.15' into x86/pti, to be able to merge dependent changes Time has come to switch PTI development over to a v4.15 base - we'll still try to make sure that all PTI fixes backport cleanly to v4.14 and earlier. Signed-off-by: Ingo Molnar <mingo@kernel.org>
84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
#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_INTEL_MPX
|
|
# define DISABLE_MPX 0
|
|
#else
|
|
# define DISABLE_MPX (1<<(X86_FEATURE_MPX & 31))
|
|
#endif
|
|
|
|
#ifdef CONFIG_X86_INTEL_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
|
|
|
|
/*
|
|
* 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 0
|
|
#define DISABLED_MASK9 (DISABLE_MPX)
|
|
#define DISABLED_MASK10 0
|
|
#define DISABLED_MASK11 0
|
|
#define DISABLED_MASK12 0
|
|
#define DISABLED_MASK13 0
|
|
#define DISABLED_MASK14 0
|
|
#define DISABLED_MASK15 0
|
|
#define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE|DISABLE_LA57|DISABLE_UMIP)
|
|
#define DISABLED_MASK17 0
|
|
#define DISABLED_MASK18 0
|
|
#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 19)
|
|
|
|
#endif /* _ASM_X86_DISABLED_FEATURES_H */
|