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author | Joerg Roedel <jroedel@suse.de> | 2018-07-18 11:41:07 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2018-07-20 01:11:45 +0200 |
commit | ba0364e260ab37c02975557dbecc014a26072236 (patch) | |
tree | a7a9be4ea2d2df1e0e8ac983fcee4d522c0cf2bb /arch/x86/mm/dump_pagetables.c | |
parent | x86/mm/pti: Introduce pti_finalize() (diff) | |
download | linux-ba0364e260ab37c02975557dbecc014a26072236.tar.xz linux-ba0364e260ab37c02975557dbecc014a26072236.zip |
x86/mm/pti: Clone entry-text again in pti_finalize()
The mapping for entry-text might have changed in the kernel after it was
cloned to the user page-table. Clone again to update the user page-table to
bring the mapping in sync with the kernel again.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Pavel Machek <pavel@ucw.cz>
Cc: "H . Peter Anvin" <hpa@zytor.com>
Cc: linux-mm@kvack.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Brian Gerst <brgerst@gmail.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: Will Deacon <will.deacon@arm.com>
Cc: aliguori@amazon.com
Cc: daniel.gruss@iaik.tugraz.at
Cc: hughd@google.com
Cc: keescook@google.com
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Waiman Long <llong@redhat.com>
Cc: "David H . Gutteridge" <dhgutteridge@sympatico.ca>
Cc: joro@8bytes.org
Link: https://lkml.kernel.org/r/1531906876-13451-31-git-send-email-joro@8bytes.org
Diffstat (limited to 'arch/x86/mm/dump_pagetables.c')
0 files changed, 0 insertions, 0 deletions