Re: Confusion about 32/64-bit user space
On Tue, Aug 20, 2002 at 02:21:58PM -0400, Clint Adams wrote:
> > You don't want 64bit userspace is very very slow compared to 32bit. The
> > only reason you would want 64bit binaries is if a single program needs
> > to access > 4gigs of memory (note, this has nothing to do with just
> > having > 4gigs of memory).
>
> That's not entirely true. You want 64-bit binaries for iptables,
> iproute, and things that do ioctl(fd, ENVCTRL_RD_CPU_TEMPERATURE, 0).
Why? If you are refering to the ioctl's not being translated yet, then
you are incorrect. What you need is for the ioctl's to be translated in
arch/sparc64/kernel/ioctl32.c.
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