Linus Torvalds <[EMAIL PROTECTED]> wrote on 08/02/2005 05:30:37 PM: > > With the additional !pte_write(pte) check (and if I haven't overlooked > > something which is not unlikely) s390 should work fine even without the > > software-dirty bit hack. > > No it won't. It will just loop forever in a tight loop if somebody tries > to put a breakpoint on a read-only location.
Yes, I have realized that as well nowe after staring at the code a little bit longer. That maybe_mkwrite is really tricky. > On the other hand, this being s390, maybe nobody cares? Some will care. At least I do. I've tested the latest git with gdb and it will indeed loop forever if I try to write to a read-only vma. blue skies, Martin Martin Schwidefsky Linux for zSeries Development & Services IBM Deutschland Entwicklung GmbH - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/