Add a check about X86_FEATURE_MD_CLEAR to avoid to print "None".
Signed-off-by: James Wang <jnw...@suse.com>
---
xen/arch/x86/spec_ctrl.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/xen/arch/x86/spec_ctrl.c b/xen/arch/x86/spec_ctrl.c
index cada9a058e..468a847598 100644
--- a/xen/arch/x86/spec_ctrl.c
+++ b/xen/arch/x86/spec_ctrl.c
@@ -366,6 +366,7 @@ static void __init print_details(enum ind_thunk thunk,
uint64_t caps)
printk(" Support for HVM VMs:%s%s%s%s%s\n",
(boot_cpu_has(X86_FEATURE_SC_MSR_HVM) ||
boot_cpu_has(X86_FEATURE_SC_RSB_HVM) ||
+ boot_cpu_has(X86_FEATURE_MD_CLEAR) ||
opt_eager_fpu) ? "" : "
None",
boot_cpu_has(X86_FEATURE_SC_MSR_HVM) ? " MSR_SPEC_CTRL" : "",
boot_cpu_has(X86_FEATURE_SC_RSB_HVM) ? " RSB" : "",
@@ -377,6 +378,7 @@ static void __init print_details(enum ind_thunk thunk,
uint64_t caps)
printk(" Support for PV VMs:%s%s%s%s%s\n",
(boot_cpu_has(X86_FEATURE_SC_MSR_PV) ||
boot_cpu_has(X86_FEATURE_SC_RSB_PV) ||
+ boot_cpu_has(X86_FEATURE_MD_CLEAR) ||
opt_eager_fpu) ? "" : "
None",
boot_cpu_has(X86_FEATURE_SC_MSR_PV) ? " MSR_SPEC_CTRL" : "",
boot_cpu_has(X86_FEATURE_SC_RSB_PV) ? " RSB" : "",
--
2.22.0
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel
