forked from Minki/linux
aa8c6248f8
Add the initial files for kernel page table isolation, with a minimal init function and the boot time detection for this misfeature. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Borislav Petkov <bp@suse.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Laight <David.Laight@aculab.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: Eduardo Valentin <eduval@amazon.com> Cc: Greg KH <gregkh@linuxfoundation.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Juergen Gross <jgross@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will.deacon@arm.com> Cc: aliguori@amazon.com Cc: daniel.gruss@iaik.tugraz.at Cc: hughd@google.com Cc: keescook@google.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
15 lines
337 B
C
15 lines
337 B
C
// SPDX-License-Identifier: GPL-2.0
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#ifndef _ASM_X86_PTI_H
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#define _ASM_X86_PTI_H
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#ifndef __ASSEMBLY__
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#ifdef CONFIG_PAGE_TABLE_ISOLATION
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extern void pti_init(void);
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extern void pti_check_boottime_disable(void);
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#else
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static inline void pti_check_boottime_disable(void) { }
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* _ASM_X86_PTI_H */
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