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[RFC 05/38] x86/hyperlaunch: move dom0 cpuid policy behind capability check
- To: xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>
- Date: Sat, 19 Apr 2025 18:07:47 -0400
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- Cc: "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>, jason.andryuk@xxxxxxx, stefano.stabellini@xxxxxxx, agarciav@xxxxxxx, Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Sat, 19 Apr 2025 22:10:50 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
To incrementally convert create_dom0() into being a generalized domain
construction function, move the dom0 specific cpuid policy behind the control
domain capability.
Signed-off-by: Daniel P. Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>
---
xen/arch/x86/setup.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index 8ba9d592ed5a..41e46f05a520 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -1050,7 +1050,8 @@ static struct domain *__init create_dom0(struct boot_info
*bi)
bd->d = d;
- init_dom0_cpuid_policy(d);
+ if ( bd->capabilities & BUILD_CAPS_CONTROL )
+ init_dom0_cpuid_policy(bd->d);
if ( alloc_dom_vcpu0(bd) == NULL )
panic("Error creating %pd vcpu 0\n", d);
--
2.30.2
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