Messages in this thread |  | | | Date | Thu, 20 May 2004 23:06:22 -0700 | | From | Ulrich Drepper <> | | Subject | Re: [PATCH] Add FUTEX_CMP_REQUEUE futex op | |
Andrew Morton wrote:
> Is it safe to go adding a new argument to an existing syscall in this manner?
Yes. This is a multiplexed syscall and the opcode decides which syscall
parameter is used.
> It'll work OK on x86 because of the stack layout but is the same true of
> all other supported architectures?
We add parameters at the end. This does not influence how previous
values are passed. And especially for syscalls it makes no difference.
--
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA |  |