On 09/29/2014 06:28 PM, Dmitry Vyukov wrote: > On Fri, Sep 26, 2014 at 9:33 PM, Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx> wrote: >> 2014-09-26 21:18 GMT+04:00 Dmitry Vyukov <dvyukov@xxxxxxxxxx>: >>> >>> Yikes! >>> So this works during bootstrap, for user memory accesses, valloc >>> memory, etc, right? >>> >> >> Yes, this works. Userspace memory access in instrumented code will >> produce general protection fault, >> so it won't be unnoticed. > > > Great! > What happens during early bootstrap when shadow is not mapped yet? > Shadow mapped very early. Any instrumented code executes only after shadow mapped. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>