sys/cpu: Round up stall() tick count for sub-MHz timer frequencies

2026-02-24 07:11:43 +01:00
parent d01e32eea5
commit 076c8bb154
1 changed files with 1 additions and 1 deletions
--- a/common/sys/cpu.h
+++ b/common/sys/cpu.h
@@ -424,7 +424,7 @@ static inline void stall(uint64_t us) {
        return;
    }
 #endif
-    uint64_t ticks = tsc_freq * us / 1000000;
+    uint64_t ticks = (tsc_freq * us + 999999) / 1000000;
    uint64_t next_stop = rdtsc() + ticks;
    while (rdtsc() < next_stop);
 }