On 9/7/21 2:00 AM, Jan Beulich wrote:
On 06.09.2021 18:22, Andrew Cooper wrote:
On 06/09/2021 16:52, Jan Beulich wrote:
On 03.09.2021 21:06, Daniel P. Smith wrote:
--- /dev/null
+++ b/xen/include/xen/alternative-call.h
@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef XEN_AL
On 06.09.2021 18:22, Andrew Cooper wrote:
> On 06/09/2021 16:52, Jan Beulich wrote:
>> On 03.09.2021 21:06, Daniel P. Smith wrote:
>>> --- /dev/null
>>> +++ b/xen/include/xen/alternative-call.h
>>> @@ -0,0 +1,63 @@
>>> +/* SPDX-License-Identifier: GPL-2.0 */
>>> +#ifndef XEN_ALTERNATIVE_CALL
>>> +#
On 06/09/2021 16:52, Jan Beulich wrote:
> On 03.09.2021 21:06, Daniel P. Smith wrote:
>> --- /dev/null
>> +++ b/xen/include/xen/alternative-call.h
>> @@ -0,0 +1,63 @@
>> +/* SPDX-License-Identifier: GPL-2.0 */
>> +#ifndef XEN_ALTERNATIVE_CALL
>> +#define XEN_ALTERNATIVE_CALL
>> +
>> +/*
>> + * Some
On 03.09.2021 21:06, Daniel P. Smith wrote:
> --- /dev/null
> +++ b/xen/include/xen/alternative-call.h
> @@ -0,0 +1,63 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +#ifndef XEN_ALTERNATIVE_CALL
> +#define XEN_ALTERNATIVE_CALL
> +
> +/*
> + * Some subsystems in Xen may have multiple implementions,
From: Andrew Cooper
The alternative call infrastructure is x86-only for now, but the common iommu
code has a variant and more common code wants to use the infrastructure.
Introduce CONFIG_ALTERNATIVE_CALL and a conditional implemetnation so common
code can use the optimisation when available, wi
