diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2017-12-04 15:07:36 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-12-23 21:12:59 +0100 |
| commit | aa8c6248f8c75acfd610fe15d8cae23cf70d9d09 (patch) | |
| tree | 0292dacc01baf9bbd4785d12bf2f6cd791c344eb /init | |
| parent | x86/mm/pti: Prepare the x86/entry assembly code for entry/exit CR3 switching (diff) | |
| download | linux-aa8c6248f8c75acfd610fe15d8cae23cf70d9d09.tar.xz linux-aa8c6248f8c75acfd610fe15d8cae23cf70d9d09.zip | |
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>
Diffstat (limited to 'init')
| -rw-r--r-- | init/main.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/init/main.c b/init/main.c index 8a390f60ec81..b32ec72cdf3d 100644 --- a/init/main.c +++ b/init/main.c @@ -75,6 +75,7 @@ #include <linux/slab.h> #include <linux/perf_event.h> #include <linux/ptrace.h> +#include <linux/pti.h> #include <linux/blkdev.h> #include <linux/elevator.h> #include <linux/sched_clock.h> @@ -506,6 +507,8 @@ static void __init mm_init(void) ioremap_huge_init(); /* Should be run before the first non-init thread is created */ init_espfix_bsp(); + /* Should be run after espfix64 is set up. */ + pti_init(); } asmlinkage __visible void __init start_kernel(void) |