On 8/14/19 3:34 PM, Segher Boessenkool wrote:
> On Wed, Aug 14, 2019 at 08:46:15PM +1000, Michael Ellerman wrote:
>> Claudio Carvalho writes:
>>> +_GLOBAL(ucall_norets)
>>> +EXPORT_SYMBOL_GPL(ucall_norets)
>>> + mfcrr0
>>> + stw r0,8(r1)
>>> +
>>> + sc 2 /*
On 8/14/19 7:46 AM, Michael Ellerman wrote:
> Claudio Carvalho writes:
>> diff --git a/arch/powerpc/kernel/ucall.S b/arch/powerpc/kernel/ucall.S
>> new file mode 100644
>> index ..de9133e45d21
>> --- /dev/null
>> +++ b/arch/powerpc/kernel/ucall.S
>> @@ -0,0 +1,20 @@
>> +/*
On Wed, Aug 14, 2019 at 08:46:15PM +1000, Michael Ellerman wrote:
> Claudio Carvalho writes:
> > +_GLOBAL(ucall_norets)
> > +EXPORT_SYMBOL_GPL(ucall_norets)
> > + mfcrr0
> > + stw r0,8(r1)
> > +
> > + sc 2 /* Invoke the ultravisor */
> > +
> > + lwz r0,8(r1)
Claudio Carvalho writes:
> diff --git a/arch/powerpc/kernel/ucall.S b/arch/powerpc/kernel/ucall.S
> new file mode 100644
> index ..de9133e45d21
> --- /dev/null
> +++ b/arch/powerpc/kernel/ucall.S
> @@ -0,0 +1,20 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Generic code to
