On Tuesday 09 October 2007 16:00:57 huang ying wrote:
> On 10/9/07, Andi Kleen <[EMAIL PROTECTED]> wrote:
> >
> > > Care to add a line of documentation if you keep it in mm/memory.c?
> >
> > It would be better to just use early_ioremap() (or ioremap())
> >
> > That is how ACPI who has similar issue
On 10/9/07, Andi Kleen <[EMAIL PROTECTED]> wrote:
>
> > Care to add a line of documentation if you keep it in mm/memory.c?
>
> It would be better to just use early_ioremap() (or ioremap())
>
> That is how ACPI who has similar issues accessing its tables solves this.
Yes. That is another solution.
* Tue, 09 Oct 2007 16:55:23 +0800
>
> On Tue, 2007-10-09 at 02:06 +1000, Nick Piggin wrote:
>> On Tuesday 09 October 2007 18:22, Huang, Ying wrote:
[]
>> I'm just wondering whether you really need to access highmem in
>> boot code...
>
> Because the zero page (boot_parameters) of i386 boot protocol
> Care to add a line of documentation if you keep it in mm/memory.c?
It would be better to just use early_ioremap() (or ioremap())
That is how ACPI who has similar issues accessing its tables solves this.
-Andi
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On Tue, 2007-10-09 at 02:28 +1000, Nick Piggin wrote:
> On Tuesday 09 October 2007 18:55, Huang, Ying wrote:
> > On Tue, 2007-10-09 at 02:06 +1000, Nick Piggin wrote:
>
> > > I'm just wondering whether you really need to access highmem in
> > > boot code...
> >
> > Because the zero page (boot_para
On Tuesday 09 October 2007 18:55, Huang, Ying wrote:
> On Tue, 2007-10-09 at 02:06 +1000, Nick Piggin wrote:
> > I'm just wondering whether you really need to access highmem in
> > boot code...
>
> Because the zero page (boot_parameters) of i386 boot protocol has 4k
> limitation, a linked list sty
On Tue, 2007-10-09 at 02:06 +1000, Nick Piggin wrote:
> On Tuesday 09 October 2007 18:22, Huang, Ying wrote:
> > On Tue, 2007-10-09 at 01:25 +1000, Nick Piggin wrote:
> > > On Tuesday 09 October 2007 16:40, Huang, Ying wrote:
> > > > +unsigned long copy_from_phys(void *to, unsigned long from_phys,
On Tuesday 09 October 2007 18:22, Huang, Ying wrote:
> On Tue, 2007-10-09 at 01:25 +1000, Nick Piggin wrote:
> > On Tuesday 09 October 2007 16:40, Huang, Ying wrote:
> > > +unsigned long copy_from_phys(void *to, unsigned long from_phys,
> > > + unsigned long n)
> > I suppose t
On Tue, 2007-10-09 at 01:25 +1000, Nick Piggin wrote:
> On Tuesday 09 October 2007 16:40, Huang, Ying wrote:
>
> > +unsigned long copy_from_phys(void *to, unsigned long from_phys,
> > +unsigned long n)
> > +{
> > + struct page *page;
> > + void *from;
> > + unsigned l
On Tuesday 09 October 2007 16:40, Huang, Ying wrote:
> +unsigned long copy_from_phys(void *to, unsigned long from_phys,
> + unsigned long n)
> +{
> + struct page *page;
> + void *from;
> + unsigned long remain = n, offset, trunck;
> +
> + while (remain) {
>
This patch add a field of 64-bit physical pointer to NULL terminated
single linked list of struct setup_data to real-mode kernel
header. This is used as a more extensible boot parameters passing
mechanism.
Signed-off-by: Huang Ying <[EMAIL PROTECTED]>
---
arch/i386/Kconfig|3 -
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