On Thu, 2013-03-07 at 03:17 +, Will Deacon wrote:
> > I looked and couldn't see an existing 64 bit xchg, was I looking in the
> > wrong place? Ah, wait, I see atomic64_xchg now. But that needs an
> > atomic64_t while I have a xen_ulong_t (which == 64 bits on ARM). This is
> > a kernel<->hypervi
Hi Ian,
On Tue, Mar 05, 2013 at 09:29:57AM +, Ian Campbell wrote:
> On Tue, 2013-03-05 at 08:08 +, Will Deacon wrote:
> > Cheers Rob, that was enough to reproduce for me. The problem is likely that
> > CONFIG_AEABI=n, so the ABI doesn't actually mandate even base registers for
> > 64-bit v
On Tue, Mar 05, 2013 at 03:56:41AM +, Ian Campbell wrote:
> > > diff --git a/arch/arm/include/asm/xen/events.h
> > > b/arch/arm/include/asm/xen/events.h
> > > index 94b4e90..5c27696 100644
> > > --- a/arch/arm/include/asm/xen/events.h
> > > +++ b/arch/arm/include/asm/xen/events.h
> > > @@ -15,
On Tue, 2013-03-05 at 08:08 +, Will Deacon wrote:
> Cheers Rob, that was enough to reproduce for me. The problem is likely that
> CONFIG_AEABI=n, so the ABI doesn't actually mandate even base registers for
> 64-bit values in registers.
Me too.
> Ian -- this would be fixed if you used our atom
On Tue, Mar 05, 2013 at 06:55:46AM +, Rob Herring wrote:
> > I also can't immediately see why GCC would allocate oldval to an odd base
> > register. Can you share your .config please?
> >
>
> Here's a config:
[...]
Cheers Rob, that was enough to reproduce for me. The problem is likely that
C
On Tue, 2013-03-05 at 06:55 +, Rob Herring wrote:
> Here's a config:
Was it truncated? oldconfig is asking a ton of questions, far more than
I would expect for something like variance between our HEADs etc.
If I just answer the default to all the questions then I get a .config
with Xen on etc
On 03/04/2013 09:04 PM, Will Deacon wrote:
> Hi guys,
>
> On Mon, Mar 04, 2013 at 02:45:33AM +, Rob Herring wrote:
>> On 02/20/2013 05:48 AM, Ian Campbell wrote:
>>> On ARM we want these to be the same size on 32- and 64-bit.
>>>
>>> This is an ABI change on ARM. X86 does not change.
>>>
>>> S
> > diff --git a/arch/arm/include/asm/xen/events.h
> > b/arch/arm/include/asm/xen/events.h
> > index 94b4e90..5c27696 100644
> > --- a/arch/arm/include/asm/xen/events.h
> > +++ b/arch/arm/include/asm/xen/events.h
> > @@ -15,4 +15,26 @@ static inline int xen_irqs_disabled(struct pt_regs *regs)
> >
On Tue, 2013-03-05 at 03:04 +, Will Deacon wrote:
> Hi guys,
>
> On Mon, Mar 04, 2013 at 02:45:33AM +, Rob Herring wrote:
> > On 02/20/2013 05:48 AM, Ian Campbell wrote:
> > > On ARM we want these to be the same size on 32- and 64-bit.
> > >
> > > This is an ABI change on ARM. X86 does no
Hi guys,
On Mon, Mar 04, 2013 at 02:45:33AM +, Rob Herring wrote:
> On 02/20/2013 05:48 AM, Ian Campbell wrote:
> > On ARM we want these to be the same size on 32- and 64-bit.
> >
> > This is an ABI change on ARM. X86 does not change.
> >
> > Signed-off-by: Ian Campbell
> > Cc: Jan Beulich
On 02/20/2013 05:48 AM, Ian Campbell wrote:
> On ARM we want these to be the same size on 32- and 64-bit.
>
> This is an ABI change on ARM. X86 does not change.
>
> Signed-off-by: Ian Campbell
> Cc: Jan Beulich
> Cc: Keir (Xen.org)
> Cc: Tim Deegan
> Cc: Stefano Stabellini
> Cc: linux-arm-ke
On Wed, 20 Feb 2013, Ian Campbell wrote:
> On ARM we want these to be the same size on 32- and 64-bit.
>
> This is an ABI change on ARM. X86 does not change.
>
> Signed-off-by: Ian Campbell
> Cc: Jan Beulich
> Cc: Keir (Xen.org)
> Cc: Tim Deegan
> Cc: Stefano Stabellini
> Cc: linux-arm-ker..
On ARM we want these to be the same size on 32- and 64-bit.
This is an ABI change on ARM. X86 does not change.
Signed-off-by: Ian Campbell
Cc: Jan Beulich
Cc: Keir (Xen.org)
Cc: Tim Deegan
Cc: Stefano Stabellini
Cc: linux-arm-ker...@lists.infradead.org
Cc: xen-de...@lists.xen.org
Cc: Konrad
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