Messages in this thread | | | Date | Thu, 7 Apr 2005 12:47:34 -0400 | From | Dave Jones <> | Subject | Re: 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/
| |