lkml.org 
[lkml]   [2005]   [Apr]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: crash in entry.S restore_all, 2.6.12-rc2, x86, PAGEALLOC
On Thu, Apr 07, 2005 at 07:47:41AM -0700, Linus Torvalds wrote:

> So the sysenter sequence might as well look like
>
> pushl $(__USER_DS)
> pushl %ebp
> sti
> pushfl
> ..
>
> which actually does three protected pushes thanks to the one-instruction
> "interrupt shadow" after an sti.

Is this guaranteed on every x86 variant (or rather, every one
that has SEP). ?

Dave

-
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: 2005-04-07 18:53    [from the cache]
©2003-2011 Jasper Spaans