On Mon, 28 Jan 2002 19:29:49 CST, Oliver Xymoron said:
> I think something more is needed, such as creating a minimal page table
> for the child process with read-only mappings to the current %EIP and %EBP
> pages in it. This gets us past the fork/exec hurdle. Without the exec, we
> copy over chunks when they're accessed as above in handle_mm_fault. But
> you can't actually _share_ the page tables without marking the pages
> themselves readonly.
Actually, you can. But everybody agrees that vfork() was blecherous.
-- Valdis Kletnieks Computer Systems Senior Engineer Virginia Tech
--==_Exmh_2063465756P Content-Type: application/pgp-signature
-----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001
iD8DBQE8VfzRcC3lWbTT17ARAryCAJ9Q11mleP4L//ixL7zfE8nevEhKpwCaA60E AKo3UKggReJ4fpsyKwgWKT8= =8RDu -----END PGP SIGNATURE-----
--==_Exmh_2063465756P-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/