> >Right, this is just a hint, that something in user space is accessing
> >the hardware directly. Not a too bad idea, but pretty much useless when
> >we add X to the picture as it will be set always :)
>
> Index: linux-2.6.21-mm_20040728/drivers/char/mem.c
> ===================================================================
> --- linux-2.6.21-mm_20040728.orig/drivers/char/mem.c
> +++ linux-2.6.21-mm_20040728/drivers/char/mem.c
> @@ -274,6 +274,9 @@ static int mmap_mem(struct file * file,
> if (!private_mapping_ok(vma))
> return -ENOSYS;
>
> + if (strcmp(current->comm, "Xorg") != 0)
> + tainted |= TAINT_USER;
> +
The X server has many names. Xorg isn't the name of the server here for
example (its "X").
Alan
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