On Tue, Sep 04, 2007 at 09:55:45AM -0700, H. Peter Anvin wrote: > > Apparently XEN does not keep the contents of the 48-bit gdt_48 data > structure that is passed to lgdt in the XEN machine state. Instead it > appears to save the _address_ of the 48-bit descriptor > somewhere. Unfortunately this data happens to reside on the stack and > is probably no longer availiable at the time of the actual protected > mode jump. > > This is Xen bug but given that there is a one-line patch to work > around this problem, the linux kernel should probably do this. My fix > is to make the gdt_48 description in setup_gdt static (in setup_idt > this is already the case). This allows the kernel to boot under > Xen HVM again.
> - struct gdt_ptr gdt; > + static struct gdt_ptr gdt; It might make sense to add your above commit message to the code as a comment. - 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/
