* Arnd Bergmann [201110 13:35]:
> On Tue, Nov 10, 2020 at 1:06 PM Tony Lindgren wrote:
>
> > > Are these actually ARMv6? Most ARM11 cores you'd come across
> > > in practice are ARMv6K (ARM1136r1, ARM1167, ARM11MPCore),
> > > in particular every SoC that has any mainline support except for
> > >
On Tue, Nov 10, 2020 at 1:06 PM Tony Lindgren wrote:
> > Are these actually ARMv6? Most ARM11 cores you'd come across
> > in practice are ARMv6K (ARM1136r1, ARM1167, ARM11MPCore),
> > in particular every SoC that has any mainline support except for
> > the ARM1136r0 based OMAP2 and i.MX3.
>
> I'v
* Arnd Bergmann [201110 10:04]:
> On Tue, Nov 10, 2020 at 10:19 AM Tony Lindgren wrote:
> > * Arnd Bergmann [201109 19:10]:
> > > On Mon, Nov 9, 2020 at 3:45 PM Tony Lindgren wrote:
> > >
> > > I know it works, my point was that I'm not sure anyone cares
> > > any more ;-)
> >
> > Well for exam
On Tue, Nov 10, 2020 at 10:19 AM Tony Lindgren wrote:
> * Arnd Bergmann [201109 19:10]:
> > On Mon, Nov 9, 2020 at 3:45 PM Tony Lindgren wrote:
> >
> > I know it works, my point was that I'm not sure anyone cares
> > any more ;-)
>
> Well for example whatever Linux running ARMv6 LTE modems out t
* Arnd Bergmann [201109 19:10]:
> On Mon, Nov 9, 2020 at 3:45 PM Tony Lindgren wrote:
> > >
> > > As discussed on IRC, I think it can still be done in one of these
> > > ways, though admittedly none of them are perfect:
> > >
> > > a) add runtime patching for __my_cpu_offset() when
> > > CONFIG
On Mon, Nov 9, 2020 at 3:45 PM Tony Lindgren wrote:
> >
> > As discussed on IRC, I think it can still be done in one of these
> > ways, though admittedly none of them are perfect:
> >
> > a) add runtime patching for __my_cpu_offset() when
> > CONFIG_SMP_ON_UP is set. This adds complexity but avo
* Arnd Bergmann [201021 16:07]:
> On Wed, Oct 21, 2020 at 2:57 PM Russell King - ARM Linux admin
> wrote:
> > On Wed, Oct 21, 2020 at 01:45:42PM +0100, Russell King - ARM Linux admin
> > wrote:
> > > > > - define 'current' as 'this_cpu_read_stable(current_task);'
> > > > > - convert to CONFIG_TH
On Wed, Oct 21, 2020 at 2:57 PM Russell King - ARM Linux admin
wrote:
> On Wed, Oct 21, 2020 at 01:45:42PM +0100, Russell King - ARM Linux admin
> wrote:
> > > > - define 'current' as 'this_cpu_read_stable(current_task);'
> > > > - convert to CONFIG_THREAD_INFO_IN_TASK
> >
> > That means we need
Hi Russel & Arnd,
> > > - define 'current' as 'this_cpu_read_stable(current_task);'
> > > - convert to CONFIG_THREAD_INFO_IN_TASK
>
unlike ARM64 ARM doesn't suport dedicated register like "sp_el0", so
arm still stores thread info on stack and fetches using current task using
stack pointer (SP) s
On Wed, Oct 21, 2020 at 01:45:42PM +0100, Russell King - ARM Linux admin wrote:
> On Wed, Oct 21, 2020 at 02:42:48PM +0200, Arnd Bergmann wrote:
> > (also resending this reply from @kernel.org)
> >
> > On Fri, Oct 16, 2020 at 12:19 PM Arnd Bergmann wrote:
> > > On Thu, Oct 8, 2020 at 9:20 AM Mani
On Wed, Oct 21, 2020 at 2:45 PM Russell King - ARM Linux admin
wrote:
> On Wed, Oct 21, 2020 at 02:42:48PM +0200, Arnd Bergmann wrote:
> > >
> > > - define 'current' as 'this_cpu_read_stable(current_task);'
> > > - convert to CONFIG_THREAD_INFO_IN_TASK
>
> That means we need to also code that up i
On Wed, Oct 21, 2020 at 02:42:48PM +0200, Arnd Bergmann wrote:
> (also resending this reply from @kernel.org)
>
> On Fri, Oct 16, 2020 at 12:19 PM Arnd Bergmann wrote:
> > On Thu, Oct 8, 2020 at 9:20 AM Maninder Singh
> > wrote:
> > >
> > > This patch adds code for switching to IRQ stack.
> > >
(also resending this reply from @kernel.org)
On Fri, Oct 16, 2020 at 12:19 PM Arnd Bergmann wrote:
> On Thu, Oct 8, 2020 at 9:20 AM Maninder Singh wrote:
> >
> > This patch adds code for switching to IRQ stack.
> > IRQ stack and Kernel SVC stack have below design.
> >
> > IRQ STACK:-
> >
13 matches
Mail list logo
