On Mon, 12 Jun 2006, Andi Kleen wrote:
> > I thought you had some funky segment registers on i386 and x86_64. Cant
> > they be switched on context switch? If an inc/dec could work relative to
> > those then you would not need a virtual mapping.
>
> The segment register needs an offset. So you need the linker to generate
> the offset from the base of the per cpu segment somehow. At compile time the
> address is not known so it cannot be done then.
Define something like a big struct and use offsetof?
So the compiler is not able to generate an offset to the beginning of a
data segment?
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]