Followup to: <20030511190023.GC9173@waste.org>
By author: Matt Mackall <mpm@selenic.com>
In newsgroup: linux.dev.kernel
>
> There's a missing piece of behavior here that's probably fatal.
> Namely, the next time the CS descriptor is loaded, even with the same
> value, the high bits are lost. So, for example, if you're running BIOS
> out of ROM, decompressing it into the top of 20-bit address space,
> then long jumping to your uncompressed code, you don't want to find
> yourself back in ROM.
>
Nope, that's *exactly* the desired behaviour.
-hpa
-- <hpa@transmeta.com> at work, <hpa@zytor.com> in private! "Unix gives you enough rope to shoot yourself in the foot." Architectures needed: ia64 m68k mips64 ppc ppc64 s390 s390x sh v850 x86-64 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Thu May 15 2003 - 22:00:38 EST