summaryrefslogtreecommitdiff
path: root/arch/x86/kernel/process.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/process.c')
-rw-r--r--arch/x86/kernel/process.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index e86d09a6aac7..d5275ecb1e92 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -46,6 +46,7 @@
#include <asm/proto.h>
#include <asm/frame.h>
#include <asm/unwind.h>
+#include <asm/tdx.h>
#include "process.h"
@@ -873,6 +874,9 @@ void select_idle_routine(const struct cpuinfo_x86 *c)
} else if (prefer_mwait_c1_over_halt(c)) {
pr_info("using mwait in idle threads\n");
x86_idle = mwait_idle;
+ } else if (cpu_feature_enabled(X86_FEATURE_TDX_GUEST)) {
+ pr_info("using TDX aware idle routine\n");
+ x86_idle = tdx_safe_halt;
} else
x86_idle = default_idle;
}