On 11.08.2023 16:59, Anthony PERARD wrote:
> On Wed, Jul 26, 2023 at 12:34:15PM +0200, Jan Beulich wrote:
>> --- a/xen/arch/x86/arch.mk
>> +++ b/xen/arch/x86/arch.mk
>> @@ -36,6 +36,29 @@ CFLAGS += -mno-red-zone -fpic
>> # the SSE setup for variadic function calls.
>> CFLAGS += -mno-mmx -mno-sse
On Wed, Jul 26, 2023 at 12:34:15PM +0200, Jan Beulich wrote:
> --- a/xen/arch/x86/Kconfig
> +++ b/xen/arch/x86/Kconfig
> @@ -118,6 +118,36 @@ config HVM
>
> If unsure, say Y.
>
> +choice
> + prompt "base psABI level"
> + default X86_64_BASELINE
> + help
> + The psABI d
On Wed, Jul 26, 2023 at 6:34 AM Jan Beulich wrote:
>
> Newer hardware offers more efficient and/or flexible and/or capable
> instructions, some of which we can make good use of in the hypervisor
> as well. Allow a basic way (no alternatives patching) of enabling their
> use. Of course this means t
Newer hardware offers more efficient and/or flexible and/or capable
instructions, some of which we can make good use of in the hypervisor
as well. Allow a basic way (no alternatives patching) of enabling their
use. Of course this means that hypervisors thus built won't work
anymore on older, less c