Ralf Baechle wrote: > On Mon, Jun 24, 2002 at 12:06:52PM +0200, Carsten Langgaard wrote: > > > > > At least it makes my system work as well as for the 32-bit kernel. > > What programs btw are using syscall()? To be honest I don't recall one ... /sbin/rpc.lockd. It use syscall() to indirectly call the 'sys_nfsservctl' syscall, why it doesn't do the syscall directly is beyond me. > > Looking more into it I found a nice showstopper - a few functions like > _sys_sigsuspend() expect a struct pt_regs on the stack. That's only > working if we call those functions directly from the exception handler. > It won't work if we have another function's stackframe - in this case > sys_syscall()'s there also ... > > Ralf -- _ _ ____ ___ Carsten Langgaard Mailto:carstenl@mips.com |\ /|||___)(___ MIPS Denmark Direct: +45 4486 5527 | \/ ||| ____) Lautrupvang 4B Switch: +45 4486 5555 TECHNOLOGIES 2750 Ballerup Fax...: +45 4486 5556 Denmark http://www.mips.com
