On Wed, Mar 25, 2020 at 5:14 PM <glider@xxxxxxxxxx> wrote: > > kmsan_initialize_shadow() creates metadata pages for mappings created > at boot time. > > kmsan_initialize() initializes the bookkeeping for init_task and enables > KMSAN. > > Signed-off-by: Alexander Potapenko <glider@xxxxxxxxxx> > To: Alexander Potapenko <glider@xxxxxxxxxx> > Cc: Jens Axboe <axboe@xxxxxxxxx> > Cc: Andy Lutomirski <luto@xxxxxxxxxx> > Cc: Vegard Nossum <vegard.nossum@xxxxxxxxxx> > Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> > Cc: Andrey Konovalov <andreyknvl@xxxxxxxxxx> > Cc: Marco Elver <elver@xxxxxxxxxx> > Cc: linux-mm@xxxxxxxxx Reviewed-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx> > > --- > > Change-Id: Ie3af251d629b911668f8651d868c544f3c11209f > --- > init/main.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/init/main.c b/init/main.c > index 345a9ab4450f1..4dd15063d32fe 100644 > --- a/init/main.c > +++ b/init/main.c > @@ -33,6 +33,7 @@ > #include <linux/nmi.h> > #include <linux/percpu.h> > #include <linux/kmod.h> > +#include <linux/kmsan.h> > #include <linux/vmalloc.h> > #include <linux/kernel_stat.h> > #include <linux/start_kernel.h> > @@ -772,6 +773,7 @@ static void __init mm_init(void) > page_ext_init_flatmem(); > init_debug_pagealloc(); > report_meminit(); > + kmsan_initialize_shadow(); > mem_init(); > kmem_cache_init(); > kmemleak_init(); > @@ -847,6 +849,7 @@ asmlinkage __visible void __init start_kernel(void) > sort_main_extable(); > trap_init(); > mm_init(); > + kmsan_initialize(); > > ftrace_init(); > > -- > 2.25.1.696.g5e7596f4ac-goog >
