From: Arnd Bergmann
While most m68k platforms use separate address spaces for user
and kernel space, at least coldfire does not, and the other
ones have a TASK_SIZE that is less than the entire 4GB address
range.
Using the generic implementation of __access_ok() stops coldfire
user space from tr
On Mon, Feb 14, 2022 at 05:34:47PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann
>
> While most m68k platforms use separate address spaces for user
> and kernel space, at least coldfire does not, and the other
> ones have a TASK_SIZE that is less than the entire 4GB address
> range.
>
> Usin
On Tue, Feb 15, 2022 at 12:37:41AM +, Al Viro wrote:
> Perhaps simply wrap that sucker into #ifdef CONFIG_CPU_HAS_ADDRESS_SPACES
> (and trim the comment down to "coldfire and 68000 will pick generic
> variant")?
I wonder if we should invert CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE,
select
On Tue, Feb 15, 2022 at 07:29:42AM +0100, Christoph Hellwig wrote:
> On Tue, Feb 15, 2022 at 12:37:41AM +, Al Viro wrote:
> > Perhaps simply wrap that sucker into #ifdef CONFIG_CPU_HAS_ADDRESS_SPACES
> > (and trim the comment down to "coldfire and 68000 will pick generic
> > variant")?
>
> I w
On Tue, Feb 15, 2022 at 8:13 AM Al Viro wrote:
> On Tue, Feb 15, 2022 at 07:29:42AM +0100, Christoph Hellwig wrote:
> > On Tue, Feb 15, 2022 at 12:37:41AM +, Al Viro wrote:
> > > Perhaps simply wrap that sucker into #ifdef CONFIG_CPU_HAS_ADDRESS_SPACES
> > > (and trim the comment down to "cold
From: Arnd Bergmann
> Sent: 15 February 2022 10:02
>
> On Tue, Feb 15, 2022 at 8:13 AM Al Viro wrote:
> > On Tue, Feb 15, 2022 at 07:29:42AM +0100, Christoph Hellwig wrote:
> > > On Tue, Feb 15, 2022 at 12:37:41AM +, Al Viro wrote:
> > > > Perhaps simply wrap that sucker into #ifdef
> > > >
