1 files changed, 2 insertions, 1 deletions

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 177aa8ef2afa..85be316665b4 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1464,7 +1464,8 @@ static void apic_pending_intr_clear(void)
                 if (queued) {
                         if (boot_cpu_has(X86_FEATURE_TSC) && cpu_khz) {
                                 ntsc = rdtsc();
-                                max_loops = (cpu_khz << 10) - (ntsc - tsc);
+                                max_loops = (long long)cpu_khz << 10;
+                                max_loops -= ntsc - tsc;
                         } else {
                                 max_loops--;
                         }