Hi Tomi
On Mon, Feb 10, 2014 at 12:23 PM, Tomi Valkeinen wrote:
> Hi David,
>
> On 04/08/13 20:25, David Herrmann wrote:
>> If drivers use "struct resource" objects to retrieve the vga-base, they
>> must correctly cast the integer to pointer. With x86+PAE we have 32bit
>> pointers but 64bit resou
Hi David,
On 04/08/13 20:25, David Herrmann wrote:
> If drivers use "struct resource" objects to retrieve the vga-base, they
> must correctly cast the integer to pointer. With x86+PAE we have 32bit
> pointers but 64bit resource_size_t. Hence, cast it to "unsigned long"
> before casting to "void*"
From: Ondrej Zajicek
Date: Mon, 5 Aug 2013 22:29:55 +0200
> On Sun, Aug 04, 2013 at 06:51:46PM -0700, David Miller wrote:
>> From: "H. Peter Anvin"
>> Date: Sun, 04 Aug 2013 10:33:46 -0700
>>
>> > Anyone who can dig backwards and summarize? In other words:
>> >
>> > Where in the current code
On 08/05/2013 02:02 PM, H. Peter Anvin wrote:
> On 08/05/2013 01:29 PM, Ondrej Zajicek wrote:
>>
>> How this could even work? AFAIK these cards have to be explicitly programmed
>> to enable MMIO (which was not done in the patches). These patches claim that
>> it is for multi-domain PCI. I would gue
On 08/05/2013 01:29 PM, Ondrej Zajicek wrote:
>
> How this could even work? AFAIK these cards have to be explicitly programmed
> to enable MMIO (which was not done in the patches). These patches claim that
> it is for multi-domain PCI. I would guess that vgabase is NULL in common
> configurations
On Sun, Aug 04, 2013 at 06:51:46PM -0700, David Miller wrote:
> From: "H. Peter Anvin"
> Date: Sun, 04 Aug 2013 10:33:46 -0700
>
> > Anyone who can dig backwards and summarize? In other words:
> >
> > Where in the current code do we stuff a physical address in a pointer,
> > or a virtual addres
From: "H. Peter Anvin"
Date: Sun, 04 Aug 2013 10:33:46 -0700
> Anyone who can dig backwards and summarize? In other words:
>
> Where in the current code do we stuff a physical address in a pointer,
> or a virtual address into a non-pointer?
The VGA register accessors try to accomodate iomem an
On 08/04/2013 10:25 AM, David Herrmann wrote:
> If drivers use "struct resource" objects to retrieve the vga-base, they
> must correctly cast the integer to pointer. With x86+PAE we have 32bit
> pointers but 64bit resource_size_t. Hence, cast it to "unsigned long"
> before casting to "void*" to sup
If drivers use "struct resource" objects to retrieve the vga-base, they
must correctly cast the integer to pointer. With x86+PAE we have 32bit
pointers but 64bit resource_size_t. Hence, cast it to "unsigned long"
before casting to "void*" to suppress warnings due to size differences.
As IO address
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