Re: x86 setup rewrite tree ready for flamage^W review

Eric W. Biederman wrote:
> 
> Even on 386 and 486 class cpus?
> 

Yes, even on 386 and 486 class CPUs.  I have personally tested this on
machines as old as the original "double sigma" 386-16.

> To some extent if the rules don't change it makes sense for them to
> copy the information from one generation to the next of the architecture.
> Even if the current cpus don't really care.
> 
> I guess I just don't see the sense in taking chances if we don't have
> to, and I don't see any real advantage of doing a data segment reload
> before the jump.

It makes the code cleaner -- more debuggable -- by introducing clean
separation between 16- and 32-bit code.

	-hpa
-
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/

---

• Follow-Ups:
  • Re: x86 setup rewrite tree ready for flamage^W review
    • From: [email protected] (Eric W. Biederman)

• References:
  • x86 setup rewrite tree ready for flamage^W review
    • From: "H. Peter Anvin" <[email protected]>
  • Re: x86 setup rewrite tree ready for flamage^W review
    • From: "Alexander van Heukelum" <[email protected]>
  • Re: x86 setup rewrite tree ready for flamage^W review
    • From: "H. Peter Anvin" <[email protected]>
  • Re: x86 setup rewrite tree ready for flamage^W review
    • From: Alexander van Heukelum <[email protected]>
  • Re: x86 setup rewrite tree ready for flamage^W review
    • From: "H. Peter Anvin" <[email protected]>
  • Re: x86 setup rewrite tree ready for flamage^W review
    • From: Alexander van Heukelum <[email protected]>
  • Re: x86 setup rewrite tree ready for flamage^W review
    • From: [email protected] (Eric W. Biederman)
  • Re: x86 setup rewrite tree ready for flamage^W review
    • From: "H. Peter Anvin" <[email protected]>
  • Re: x86 setup rewrite tree ready for flamage^W review
    • From: [email protected] (Eric W. Biederman)

• Prev by Date: Re: [Bug 8464] New: autoreconf: page allocation failure. order:2, mode:0x84020
• Next by Date: Re: [Xen-devel] [patch 19/28]xen: Add early printk support via hvc console
• Previous by thread: Re: x86 setup rewrite tree ready for flamage^W review
• Next by thread: Re: x86 setup rewrite tree ready for flamage^W review
• Index(es):
  • Date
  • Thread

[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]