Re: [git pull 09/14] Uinput: add UI_SET_SWBIT ioctl

From: Dmitry Torokhov
Date: Wed Nov 23 2005 - 18:12:11 EST

On 11/23/05, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> wrote:
> Oh,and ... ARGH !
> So you pass that nice structure
> struct input_event {
> struct timeval time;
> __u16 type;
> __u16 code;
> __s32 value;
> };
> to userland via read() ... cool, a structure that is not compatible
> between 32 and 64 bits passed around via a read call. that will be fun
> to fix.

It would need the same treatment as evdev got. Entire uinput is not
32/64 bit friendly (hostorically). However, it should be used by an
userspace "driver", not an ordinary program, so we probably shoudl
just require using native-sized binary with uinput.

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