linux-stable/include/linux/pti.h

// SPDX-License-Identifier: GPL-2.0
#ifndef _INCLUDE_PTI_H
#define _INCLUDE_PTI_H

#ifdef CONFIG_PAGE_TABLE_ISOLATION
#include <asm/pti.h>
#else
static inline void pti_init(void) { }
#endif

#endif
x86/mm/pti: Add infrastructure for page table isolation 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> 2017-12-04 14:07:36 +00:00			`// SPDX-License-Identifier: GPL-2.0`
			`#ifndef _INCLUDE_PTI_H`
			`#define _INCLUDE_PTI_H`

			`#ifdef CONFIG_PAGE_TABLE_ISOLATION`
			`#include <asm/pti.h>`
			`#else`
			`static inline void pti_init(void) { }`
			`#endif`

			`#endif`