[RFC PATCH 16/20] x86/virt/seamldr: Do TDX cpu init after updates

[Chao Gao <chao.gao@intel.com>]

For the newly loaded module, the global initialization and per-CPU
initialization are also needed. Do them on all CPU concurrently.

Signed-off-by: Chao Gao <chao.gao@intel.com>
Tested-by: Farrah Chen <farrah.chen@intel.com>
---
 arch/x86/virt/vmx/tdx/seamldr.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/virt/vmx/tdx/seamldr.c b/arch/x86/virt/vmx/tdx/seamldr.c
index a18df08a5528..c4e1b7540a43 100644
--- a/arch/x86/virt/vmx/tdx/seamldr.c
+++ b/arch/x86/virt/vmx/tdx/seamldr.c
@@ -245,6 +245,7 @@ enum tdp_state {
 	TDP_START,
 	TDP_SHUTDOWN,
 	TDP_CPU_INSTALL,
+	TDP_CPU_INIT,
 	TDP_DONE,
 };
 
@@ -318,6 +319,9 @@ static int do_seamldr_install_module(void *params)
 				scoped_guard(raw_spinlock, &seamldr_lock)
 					ret = seamldr_call(P_SEAMLDR_INSTALL, &args);
 				break;
+			case TDP_CPU_INIT:
+				ret = tdx_cpu_enable();
+				break;
 			default:
 				break;
 			}
-- 
2.47.1