[PATCH 2/5] x86/platform: Permit reading the TSX control MSRs via XENPF_resource_op

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

We are going to want this to write some tests with.

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
CC: Jan Beulich <JBeulich@xxxxxxxx>
CC: Roger Pau Monné <roger.pau@xxxxxxxxxx>
CC: Wei Liu <wl@xxxxxxx>
---
 xen/arch/x86/platform_hypercall.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/xen/arch/x86/platform_hypercall.c 
b/xen/arch/x86/platform_hypercall.c
index 41d8e59563..284c2dfb9e 100644
--- a/xen/arch/x86/platform_hypercall.c
+++ b/xen/arch/x86/platform_hypercall.c
@@ -74,6 +74,12 @@ static bool msr_read_allowed(unsigned int msr)
 
     case MSR_IA32_TSC:
         return true;
+
+    case MSR_TSX_FORCE_ABORT:
+        return cpu_has_tsx_force_abort;
+
+    case MSR_TSX_CTRL:
+        return cpu_has_tsx_ctrl;
     }
 
     if ( ppin_msr && msr == ppin_msr )
-- 
2.11.0