linux_dsm_epyc7002/pti.h at 66cf9a7e0192734c1c94751e628bd075be62cff4 - linux_dsm_epyc7002 - Cephas TEA

AuxXxilium/linux_dsm_epyc7002

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Thomas Gleixner aa8c6248f8 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>

2017-12-23 21:12:59 +01:00

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 // 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