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Author SHA1 Message Date
Kees Cook 3e1457d6bf KPTI: Rename to PAGE_TABLE_ISOLATION 
This renames CONFIG_KAISER to CONFIG_PAGE_TABLE_ISOLATION.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2018-01-05 15:44:26 +01:00
Hugh Dickins 003e476716 kaiser: stack map PAGE_SIZE at THREAD_SIZE-PAGE_SIZE 
Kaiser only needs to map one page of the stack; and
kernel/fork.c did not build on powerpc (no __PAGE_KERNEL).
It's all cleaner if linux/kaiser.h provides kaiser_map_thread_stack()
and kaiser_unmap_thread_stack() wrappers around asm/kaiser.h's
kaiser_add_mapping() and kaiser_remove_mapping().  And use
linux/kaiser.h in init/main.c to avoid the #ifdefs there.

Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2018-01-05 15:44:23 +01:00
Dave Hansen bed9bb7f3e kaiser: merged update 
Merged fixes and cleanups, rebased to 4.4.89 tree (no 5-level paging).

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2018-01-05 15:44:23 +01:00