Atsushi Nemoto wrote: > On Tue, 04 Sep 2007 14:46:54 +0200, Franck Bui-Huu <vagabon.xyz@xxxxxxxxx> wrote: >>> I'll look at it further, but any testcase are welcome. > > I found the reason. > > do_execve() > copy_strings() > flush_kernel_dcache_page() > search_binary_handler() > load_elf_binary() > setup_arg_pages() > shift_arg_pages() > move_page_tables() > flush_cache_range() > > And MIPS flush_cache_range() blasts whole dcache! That's why empty > flush_kernel_dcache_page() was enough for now. Yeah, that what I think too and that's also why I was suggesting to test a plain 2.6.23-rc5 with the randomize_va_space=0. Please see my previous reply... Could you give it a try ? Franck
