On Sat, 2007-02-10 at 11:22 +0100, Heiko Carstens wrote:
> Which remembers me that I think that MIPS is using the non-compat version
> of sys_epoll_pwait for compat syscalls. But maybe MIPS doesn't need a compat
> syscall for some reason. Dunno.
It's OK as long as the 64-bit kernel, N32 and O32 userspace all agree
there there's 32 bits of padding between the fields of this structure:
struct epoll_event {
__u32 events;
__u64 data;
};
I suspect it's a fairly safe bet that N32 userspace agrees; if the O32
ABI is different then it would need the compat syscall.
--
dwmw2
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