lkml.org 
[lkml]   [2002]   [Oct]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [RFC] [PATCH] 2.5.44 bootloader fix
Date
Followup to:  <m1pttxlebr.fsf@frodo.biederman.org>
By author: ebiederm@xmission.com (Eric W. Biederman)
In newsgroup: linux.dev.kernel
>
> What I am proposing is an interface change. The only known bootloader
> this does not fix is gujin and the fix of loading segments earlier is
> trivial, and fully backwards compatible. The advantage of this patch
> is that no future changes to the kernel's gdt will affect bootloaders.
>

Please detail how the interface changes. It is not at all clear from
the code.

> @@ -101,7 +96,8 @@
> popl %eax # hcount
> movl $0x100000,%edi
> cli # make sure we don't get interrupted
> - ljmp $(__KERNEL_CS), $0x1000 # and jump to the move routine
> + movl $0x1000, %ebp
> + jmpl *%ebp # and jump to the move routine
>
> /*
> * Routine (template) for moving the decompressed kernel in place,

Why are you avoiding to set __SETUP_CS here?

-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com>
-
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/

\
 
 \ /
  Last update: 2005-03-22 13:30    [from the cache]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and my Meterkast|Read the blog