>>> On 18.07.18 at 16:47, wrote:
> On 18/07/18 10:19, Jan Beulich wrote:
> On 18.07.18 at 10:46, wrote:
>>> On 18/07/2018 09:33, Jan Beulich wrote:
--- a/xen/include/asm-x86/spec_ctrl.h
+++ b/xen/include/asm-x86/spec_ctrl.h
@@ -38,6 +38,8 @@ extern uint8_t opt_xpti;
#defi
On 18/07/18 10:19, Jan Beulich wrote:
On 18.07.18 at 10:46, wrote:
>> On 18/07/2018 09:33, Jan Beulich wrote:
>>> --- a/xen/include/asm-x86/spec_ctrl.h
>>> +++ b/xen/include/asm-x86/spec_ctrl.h
>>> @@ -38,6 +38,8 @@ extern uint8_t opt_xpti;
>>> #define OPT_XPTI_DOM0 0x01
>>> #define OPT_XP
>>> On 18.07.18 at 10:46, wrote:
> On 18/07/2018 09:33, Jan Beulich wrote:
>> --- a/xen/include/asm-x86/spec_ctrl.h
>> +++ b/xen/include/asm-x86/spec_ctrl.h
>> @@ -38,6 +38,8 @@ extern uint8_t opt_xpti;
>> #define OPT_XPTI_DOM0 0x01
>> #define OPT_XPTI_DOMU 0x02
>>
>> +bool xpti_pcid_enabled
On Wed, Jul 18, 2018 at 02:33:02AM -0600, Jan Beulich wrote:
> Signed-off-by: Jan Beulich
Reviewed-by: Roger Pau Monné
> v2: Add CONFIG_PV conditional.
>
> --- a/xen/arch/x86/pv/domain.c
> +++ b/xen/arch/x86/pv/domain.c
> @@ -288,6 +288,12 @@ int pv_domain_initialise(struct domain *
> ret
On 18/07/2018 09:33, Jan Beulich wrote:
> --- a/xen/include/asm-x86/spec_ctrl.h
> +++ b/xen/include/asm-x86/spec_ctrl.h
> @@ -38,6 +38,8 @@ extern uint8_t opt_xpti;
> #define OPT_XPTI_DOM0 0x01
> #define OPT_XPTI_DOMU 0x02
>
> +bool xpti_pcid_enabled(void);
This still should be inside an CON
Signed-off-by: Jan Beulich
---
v2: Add CONFIG_PV conditional.
--- a/xen/arch/x86/pv/domain.c
+++ b/xen/arch/x86/pv/domain.c
@@ -288,6 +288,12 @@ int pv_domain_initialise(struct domain *
return rc;
}
+bool __init xpti_pcid_enabled(void)
+{
+return use_invpcid && cpu_has_pcid &&
+
